1. DL manuals
  2. Samsung
  3. Air Conditioner
  4. AM007FN1DCH/AA
  5. Service Manual

Samsung AM007FN1DCH/AA Service Manual

Other manuals for AM007FN1DCH/AA: Service Manual
Manual is about: SYSTEM AIRCONDITIONER

Summary of AM007FN1DCH/AA

  • Page 1

    Refer to the service manual in the gspn(see the rear cover) for the more information. System airconditioner contents system airconditioner indoor unit am007/009/012fn1dch/aa am009/012/018/020fnndch/aa am009/018/024/030/036/048fn4dch/aa am007/009/012fnldch/aa am018/024fnldch/aa am030/036/048fnldch/aa...

  • Page 2: Contents

    Section 0 samsung electronics 1 contents 1. Precautions ..................................................................................................................................................1-1 1-1 precautions for the service .................................................................

  • Page 3: Contents

    Section 0 2 samsung electronics contents 4-4-15 eeprom error ...................................................................................................................................................................................4-42 4-4-16 option error of the remote controller for an ind...

  • Page 4: Contents

    Section 0 samsung electronics 3 contents 4-4-73 e458 : compressor excess current error ..........................................................................................................................4-98 4-4-74 compressor starting error ........................................................

  • Page 5: 1. Precautions

    Samsung electronics 1-1 1. Precautions 1-1 precautions for the service ouse the correct parts when changing the electric parts. – please check the labels and notices for the model name, proper voltage, and proper current for the electric parts. Ofully repair the connection for the types of harness w...

  • Page 6

    1-2 samsung electronics 1-4 precautions for handling refrigerant for air conditioner environmental cautions: air pollution due to gas release osafety cautions if liquid gas is released, then body parts that come into contact with it may experience frostbite/blister/numbness. If a large amount of gas...

  • Page 7: 2. Product Specifications

    Samsung electronics 2-1 2. Product specifications 2-1 product specifacations model jsf-1 am007fn1dch/aa am009fn1dch/aa am012fn1dch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 7,500 9,500 12,000 h...

  • Page 8

    Product specifications 2-2 samsung electronics model jsf-1 am007fn1dch/aa am009fn1dch/aa am012fn1dch/aa standard accessories installation manual o o o operation manual x x x pattern sheet for installation o o o flexible drain hose o o o flilter/safety grille filter (washable) filter (washable) filte...

  • Page 9

    Product specifications samsung electronics 2-3 indoor unit(cont.) q mini 4way cassette model small am009fnndch/aa am012fnndch/aa am018fnndch/aa am020fnndch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr hp/hr performance capacity (nom...

  • Page 10

    Product specifications 2-4 samsung electronics model small am009fnndch/aa am012fnndch/aa am018fnndch/aa am020fnndch/aa standard accessories installation manual o o o o operation manual x x x x pattern sheet for installation o o o o flexible drain hose o o o o flilter/safety grille filter / safety gr...

  • Page 11

    Product specifications samsung electronics 2-5 indoor unit(cont.) q 4way casette (small) model 4way casette - small am009fn4dch/aa am018fn4dch/aa am024fn4dch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr performance capacity (nominal) cooling 2) kw...

  • Page 12

    Product specifications 2-6 samsung electronics model 4way casette - small am009fn4dch/aa am018fn4dch/aa am024fn4dch/aa standard accessories installation manual o o o operation manual x x x pattern sheet for installation o o o flexible drain hose o o o flilter/safety grille filter / safety grille fil...

  • Page 13

    Product specifications samsung electronics 2-7 indoor unit(cont.) q 4way casette (large) model 4way casette - large am030fn4dch/aa am036fn4dch/aa am048fn4dch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr performance capacity (nominal) cooling 2) kw...

  • Page 14

    Product specifications 2-8 samsung electronics model 4way casette - large am030fn4dch/aa am036fn4dch/aa am048fn4dch/aa standard accessories installation manual o o o operation manual x x x pattern sheet for installation o o o flexible drain hose o o o flilter/safety grille filter / safety grille fil...

  • Page 15

    Product specifications samsung electronics 2-9 model slim1 am007fnldch/aa am009fnldch/aa am012fnldch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 7,500 9,500 12,000 heating 2) kw btu/h 8,500 10,50...

  • Page 16

    Product specifications 2-10 samsung electronics model slim1 am007fnldch/aa am009fnldch/aa am012fnldch/aa standard accessories installation manual o o o operation manual o o o pattern sheet for installation x x x flexible drain hose o o o flilter/safety grille filter (washable) filter (washable) filt...

  • Page 17

    Product specifications samsung electronics 2-11 model slim2 am018fnldch/aa am024fnldch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 18,000 24,000 heating 2) kw btu/h 20,000 27,000 condensate (with high fan speed) lite...

  • Page 18

    Product specifications 2-12 samsung electronics model slim2 am018fnldch/aa am024fnldch/aa standard accessories installation manual o o operation manual o o pattern sheet for installation x x flexible drain hose o o flilter/safety grille filter (washable) filter (washable) drain pump drain pump - / m...

  • Page 19

    Product specifications samsung electronics 2-13 model slim3 am030fnldch/aa am036fnldch/aa am048fnldch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 30,000 36,000 48,000 heating 2) kw btu/h 34,000 4...

  • Page 20

    Product specifications 2-14 samsung electronics model slim3 am030fnldch/aa am036fnldch/aa am048fnldch/aa standard accessories installation manual o o o operation manual o o o pattern sheet for installation x x x flexible drain hose o o o flilter/safety grille filter (washable) filter (washable) filt...

  • Page 21

    Product specifications samsung electronics 2-15 model msp duct - msp-s am018fnmdch/aa am024fnmdch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 18,000 24,000 heating 2) kw btu/h 20,000 27,000 condensate (with high fan ...

  • Page 22

    Product specifications 2-16 samsung electronics model msp duct - msp-s am018fnmdch/aa am024fnmdch/aa standard accessories installation manual o o operation manual o o pattern sheet for installation x x flexible drain hose o o flilter/safety grille filter (washable) filter (washable) drain pump drain...

  • Page 23

    Product specifications samsung electronics 2-17 model msp-1 msp-2 am030fnmdch/aa am036fnmdch/aa am048fnmdch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 30,000 36,000 48,000 heating 2) kw btu/h 34...

  • Page 24

    Product specifications 2-18 samsung electronics model msp-1 msp-2 am030fnmdch/aa am036fnmdch/aa am048fnmdch/aa standard accessories installation manual o o o operation manual o o o pattern sheet for installation x x x flexible drain hose o o o flilter/safety grille filter (washable) filter (washable...

  • Page 25

    Product specifications samsung electronics 2-19 model neo forte - small am007fntdch/aa am009fntdch/aa am012fntdch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 7,500 9,500 12,000 heating 2) kw btu/...

  • Page 26

    Product specifications 2-20 samsung electronics model neo forte - small am007fntdch/aa am009fntdch/aa am012fntdch/aa standard accessories installation manual o o o operation manual o o o pattern sheet for installation x x x flexible drain hose o o o flilter/safety grille filter (washable) filter (wa...

  • Page 27

    Product specifications samsung electronics 2-21 model large am018fntdch/aa am020fntdch/aa am024fntdch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 18,000 20,000 23,200 heating 2) kw btu/h 20,000 2...

  • Page 28

    Product specifications 2-22 samsung electronics model large am018fntdch/aa am020fntdch/aa am024fntdch/aa standard accessories installation manual o o o operation manual o o o pattern sheet for installation x x x flexible drain hose o o o flilter/safety grille filter (washable) filter (washable) filt...

  • Page 29

    Product specifications samsung electronics 2-23 model big duct am076fnhdch/aa am096fnhdch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 76,800 96,000 heating 2) kw btu/h 85,200 108,000 condensate (with high fan speed) ...

  • Page 30

    Product specifications 2-24 samsung electronics model big duct am076fnhdch/aa am096fnhdch/aa standard accessories installation manual o o operation manual o o pattern sheet for installation o o flexible drain hose o o flilter/safety grille x x drain pump drain pump - / mdp-n047snc1d mdp-n047snc1d ma...

  • Page 31

    Product specifications samsung electronics 2-25 model ceiling am018fncdch/aa am024fncdch/aa power supply ø, #, v, hz 1,2,208-230,60 1,2,208-230,60 mode - hp/hr hp/hr performance capacity (nominal) cooling 2) kw btu/h 18,000 24,000 heating 2) kw btu/h 20,000 27,000 condensate (with high fan speed) li...

  • Page 32

    Product specifications 2-26 samsung electronics model ceiling am018fncdch/aa am024fncdch/aa standard accessories installation manual o o operation manual o o pattern sheet for installation x x flexible drain hose o o flilter/safety grille filter (washable) filter (washable) drain pump drain pump - /...

  • Page 33

    Samsung electronics 2-27 2-2 accessory and option specifications 2-2-1 accessories classification product model image application model intergrated management system controller dms 2 mim-b14 dvm s s-net 3 mst-p3p dvm s interface module pim mim-b16n dvm s ('13.07~) centralized control system controll...

  • Page 34

    Product specifications 2-28 samsung electronics classification feature model description relevant unit remark y-joint mxj-ya4422m over 135.2kw(461 mbh) hp/hr requisite mxj-ya4119m 98.4kw~135.2kw(336~461 mbh) mxj-ya3419m 70.3kw~98.4kw(240~336 mbh) mxj-ya2815m 45.0kw~70.3kw(154~240 mbh) mxj-ya2812m 40...

  • Page 35

    Samsung electronics 3-1 q necessary tools 3. Disassembly and reassembly item remark +screw driver monkey spanner –screw driver nipper electric motion driver l-wrench.

  • Page 36

    3-2 samsung electronics no parts procedure remark 1 panel & filter (a type) 1) press the push button on the grill and open it 2) separate 1 clip from the panel and tilt the grill to 45° and separate the grille from the panel. 3) separate the filter from the panel. 4) separate 3 cover screws from it....

  • Page 37

    Disassembly and reassembly samsung electronics 3-3 no parts procedure remark 6) press the left and right hooks to separate the panel from the indoor unit..

  • Page 38

    Disassembly and reassembly 3-4 samsung electronics no parts procedure remark 2 drain pan 1) separate 5 fixing screws from the drain pan. (use +screw driver) 2) pull the drain pan to separate them from the indoor unit. When disassembling the pan, be careful not to touch the heat exchanger board with ...

  • Page 39

    Disassembly and reassembly samsung electronics 3-5 no parts procedure remark 2) separate 8 connecters on the pcb of the indoor unit. 3) separate the control in from the indoor unit. 4 drain sub 1) push the hook on the drain sub to separate it..

  • Page 40

    Disassembly and reassembly 3-6 samsung electronics no parts procedure remark 5 heat exchanger 1) undo fixing screw in the heat exchanger. (use +screw driver) 2) separate an indoor sensor from the heat exchanger. 3) separate the heat exchanger from the indoor unit. 6 cross fan 1) undo 3 fixing screws...

  • Page 41

    Disassembly and reassembly samsung electronics 3-7 no parts procedure remark 3) separate the cross fan from the indoor unit. 7 drain pump 1) separate fixing screw in the cover drain pump. (use +screw driver) 2) separate the drain hose from the drain pump. 3) separate the drain pump from the indoor u...

  • Page 42

    Disassembly and reassembly 3-8 samsung electronics no parts procedure remark 1 motor & blower 1) detach the motor connectors from the pcb. 2) unscew 16 screws and detach cabinet-base blower. (use+screw driver) 3) unscrew 8 screws and detach case-blower. (use +screw driver) 4) unscrew 4 bolts and sep...

  • Page 43

    Disassembly and reassembly samsung electronics 3-9 no parts procedure remark 5) unscrew bolt and separate blower from the motor. (use +screw driver) 2 evaporator & drain-pan 1) detach eev and sensor connectors from the pcb. (use +screw driver) 2) unscrew 8 screws and detach cover-pipe. (use +screw d...

  • Page 44

    Disassembly and reassembly 3-10 samsung electronics no parts procedure remark 4) unscrew 10 screws and detach drain-pan from the indoor unit. (use +screw driver) 5) separate evaporator from the indoor unit..

  • Page 45

    Disassembly and reassembly samsung electronics 3-11 q global 4way cassette type no parts procedure remark 1 panel 1) push the handles on both sides of the samsung logo towards the product’s interior to open the grille. 2) push up the green knob in the open direction, and detach the white link from t...

  • Page 46

    Disassembly and reassembly 3-12 samsung electronics no parts procedure remark 6) disassemble the bolts that are assembled with the indoor unit at the 4 panel corners. 7) press the steel hangers at both sides of the panel inwards, and rotate them 90 degrees to remove it from the indoor unit’s hock. R...

  • Page 47

    Disassembly and reassembly samsung electronics 3-13 no parts procedure remark 3 bell-mouth 1) unscrew the screw fixed on the bell-mouth. (use +screw driver) 2) push the bell-mouth in the direction opposite to where it’s installed on the control-box to remove it. 4 drain pan 1) unscrew the screws on ...

  • Page 48

    Disassembly and reassembly 3-14 samsung electronics no parts procedure remark 5 drain pump & hose 1) remove the 2 fixed screws and disconnect the white drainage hose from the drain pump. (use +screw driver) 2) remove the 2 screws and take the drain-hose out from the indoor unit to disassemble the tr...

  • Page 49

    Disassembly and reassembly samsung electronics 3-15 no parts procedure remark 7 fan & motor 1) turn the hexangular nut attached to the top of the fan counterclockwise to remove it. Take the fan out of the motor. 2) turn the three hexangular nuts on the motor counterclockwise to remove the nuts. Take...

  • Page 50

    Disassembly and reassembly 3-16 samsung electronics no parts procedure remark 3) remove the screw of the cover pipe that is used to fix the in/out pipe. Remove the in/out pipe. (use +screw driver) 4) remove the heat exchanger from the indoor unit’s cabinet..

  • Page 51

    Disassembly and reassembly samsung electronics 3-17 qduct type(slim1,2) no parts procedure remark 1 motor & blower 1) disassemble the cabinet-top motor. – unscrew 8 screws 2) disassemble 2 cover blower uppers. – after unscrewing 2 screws – disassemble the cover blower upper with pushing its hook. 3)...

  • Page 52

    Disassembly and reassembly 3-18 samsung electronics no parts procedure remark 5) disassemble the motor earth wire connected to the partition. – unscrew a screw 6) disassemble the band motor for fixing the motor. – unscrew 2 screws 7) after disassembling the motor and blower for the set, disassemble ...

  • Page 53

    Disassembly and reassembly samsung electronics 3-19 no parts procedure remark 2) disassemble the bracket outlet sub that fixes the drain pan equipped on the front of the set. – unscrew 6 screws 3) disassemble the drain cushion from the set. 3 ass'y evap the evaporator should be disassembled after di...

  • Page 54

    Disassembly and reassembly 3-20 samsung electronics no parts procedure remark 3) disassemble the support evap. Lf that fixes the evaporator. – unscrew 2 screws 4) disassemble the support evap rh. – unscrew 2 screws 5) disassemble the evaporator form the set. 4 ass'y control in the control in should ...

  • Page 55

    Disassembly and reassembly samsung electronics 3-21 no parts procedure remark 3) in case of disassembling the capacitor separately, disassemble the capacitor from the case. 4) in case of disassembling the case control, dis- assemble the case control from the set after unscrewing the screw connected ...

  • Page 56

    Disassembly and reassembly 3-22 samsung electronics q duct type(slim3) no parts procedure remark 1 filter 1) dpull out the filter as picture 1 or picture 2. 2) dif it is necessary, after disassembling 8 indi- cating screws, detach the bracket filter..

  • Page 57

    Disassembly and reassembly samsung electronics 3-23 no parts procedure remark 3) if the cabinet-top motor is assembled on the side of the set,the procedure of disassembling the filter is just as the above. 5 bracket outlet 1) after disassembling 13 indicating screws, detach ass'y cabinet-top motor. ...

  • Page 58

    Disassembly and reassembly 3-24 samsung electronics no parts procedure remark 3) after disassembling 2 indicating screws, detach the cover control. 4) detach the motor wire connected to pcb and capacitor. 5) after disassembling the indicating screws, detach the wire connected to the partition. 6) af...

  • Page 59

    Disassembly and reassembly samsung electronics 3-25 no parts procedure remark 7) after disassembling the motor and blowers, detach the blowers from the axis of the motor by 3mm inner hexagon spanner. 3 drain pan 1) after disassembling 15 indicating screws, detach ass'y cabinet-top evap. 2) after dis...

  • Page 60

    Disassembly and reassembly 3-26 samsung electronics no parts procedure remark 4 evaporator after finished the procedures above, detach the evaporator. 1) after disassembling 2 indicating screws, detach ass'y cover pipe. 2) detach the sensor from the control box. (including 2 sensors) 3) after disass...

  • Page 61

    Disassembly and reassembly samsung electronics 3-27 no parts procedure remark 5) detach the evaporator from the set. 5 control in detach the parts of control in after disas- sembling the cover control. 1) detach all the wires connected to the pcb. 2) if only the disassembly of pcb required, press th...

  • Page 62

    Disassembly and reassembly 3-28 samsung electronics no parts procedure remark 7 ass'y cross fan 5) detach the transformer after disassembling 2 indicating screws. Work is possible after disassembling the case pcb. 6 ass'y bracket outlet 2) after disassembling 16 indicating screws, detach ass'y brack...

  • Page 63

    Disassembly and reassembly samsung electronics 3-29 qduct type(mid pressure1 no parts procedure remark 1 filter 1) after disassembling 16 places indicating screws,detach ass'y cabi bottom blower. (use +screw driver.) 2) detach from ass'y control in the capacitor connection wire between the motor fan...

  • Page 64

    Disassembly and reassembly 3-30 samsung electronics no parts procedure remark 4) after disassembling 2 places indicating screws,detach fan motor and blower from the set. 2 control in 1) after disassembling 1 indicating screw, detach the cover control. (use +screw driver.) 2) detach the motor-fan and...

  • Page 65

    Disassembly and reassembly samsung electronics 3-31 no parts procedure remark 3) disassemble 4 indicating screws and detach control in from the set. (use +screw driver.) 3 drain pan ※ work is possible when disassembling the ass'y cabi bottom blower. 1) disassemble 7 indicating screws and detach ass'...

  • Page 66

    Disassembly and reassembly 3-32 samsung electronics no parts procedure remark 2) disassemble 2 indicating screws and detach holder pipe. (use +screw driver.) 3) disassemble 4 indicating screws and detach the drain pan. (2 screws each at left and right side) (use +screw driver.).

  • Page 67

    Disassembly and reassembly samsung electronics 3-33 no parts procedure remark 4 evap work is possible when disassembling the ass'y drain pan. 1) disassemble 5 indicating screws to detach cover pipe.(use +screw driver.) 2) disassemble sensor on the evap. 3) disassemble 4 indicating screws which are i...

  • Page 68

    Disassembly and reassembly 3-34 samsung electronics qduct type(mid pressure2) no parts procedure remark 1 blower & motor 1) after disassembling 15 places indicating screws, detach ass'y cabi bottom blower. (use +screw driver.) 2) detach from ass'y control in the capacitor connection wire between the...

  • Page 69

    Disassembly and reassembly samsung electronics 3-35 no parts procedure remark 4) after disassembling 2 places indicating screws, detach fan motor and blower from the set. (use +screw driver.) 3 drain pan 1) after disassembling 1 indicating screw, detach the cover control.(use +screw driver.) 2) deta...

  • Page 70

    Disassembly and reassembly 3-36 samsung electronics no parts procedure remark 3) disassemble 4 indicating screws and detach control in from the set. (use +screw driver.) 3 drain pan ※ work is possible when disassembling the ass'y cabi bottom blower. 1) disassemble 6 indicating screws and detach ass'...

  • Page 71

    Disassembly and reassembly samsung electronics 3-37 no parts procedure remark 2) disassemble 2 indicating screws and detach holder pipe. (use +screw driver.) 3) disassemble 6 indicating screws and detach the drain pan. (use +screw driver.) (3 screws each at left and right side) 4 evap ※ work is poss...

  • Page 72

    Disassembly and reassembly 3-38 samsung electronics no parts procedure remark 2) disassemble sensor on the evap. 3) disassemble 2 indicating screws which are in the near of hanger plate to detach the evap. (1 screw each at left and right side) it needs 2 peoples..

  • Page 73

    Disassembly and reassembly samsung electronics 3-39 qceiling no parts procedure remark 1 electrical part 1) open the grille by pressing 3 position. (center and both side) 2) detach the air inlet grille. 3) open the cover of component electrical box by removing 3 screws. (center and both side).

  • Page 74

    Disassembly and reassembly 3-40 samsung electronics no parts procedure remark 2 fan & motor 1) detach the screw and untie earth wire of motor. 2) disconnect of housing of motor wire. 3) disconnect the capacitor wire..

  • Page 75

    Disassembly and reassembly samsung electronics 3-41 no parts procedure remark 4) loosen the guard safety by removing 6 screws. 5) detach the upper case of fan. (2ea) 6) loosen the 4 screws what is fix the motor. 7) detach the fan and motor assembly..

  • Page 76

    Disassembly and reassembly 3-42 samsung electronics no parts procedure remark 8) loosen the set fixing bolts. (with a m3 wrench) 9) detach the fan. 3 drain pan 1) disconnect the display pcb wire as shown in picture. (white housing) 2) disconnect the step motor wire as shown in picture. (blue housing...

  • Page 77

    Disassembly and reassembly samsung electronics 3-43 no parts procedure remark 4) loosen the 3 screws of front side. 5) disassemble the assembly front cover part. 6) disconnect the step motor wire as shown in picture. 7) detach the wire clamp fixed in base part. 8) detach the front cover assembly com...

  • Page 78

    Disassembly and reassembly 3-44 samsung electronics no parts procedure remark 9) loosen the screw what is fix with base part and drain pan. (upper side:2ea) 10) loosen the screw what is fix with base part and drain pan. (lower side:2ea) 11) detach the drain pan completely..

  • Page 79

    Disassembly and reassembly samsung electronics 3-45 no parts procedure remark 1) disconnect the thermistor wire as shown in picture. (white housing) 2) loosen the 2 screws shown in picture. 3) loosen the 2 screws shown in picture and remove plastic part. (white) 4) loosen the 2 screws shown in pictu...

  • Page 80

    Disassembly and reassembly 3-46 samsung electronics no parts procedure remark 6 loosen the 2 screws as shown in picture. 7) detach the plastic cover as shown in picture. 8) detach the evaporator assembly..

  • Page 81

    Disassembly and reassembly samsung electronics 3-47 no parts procedure remark 5 stepping motor 1) loosen the 4 screws in rear side of front cover assembly as shown in picture. 2) loosen the 2 screws as shown in picture. 3) disassemble the blade and stepping motor assembly and remove the 2 screws ste...

  • Page 82

    Disassembly and reassembly 3-48 samsung electronics qwall mounted type (neo forte) no parts procedure remark 1 front grille 1) stop the air conditioner operation and shut off the main power. 2) open the front grille by pulling right and left sides of the hook. 3) loosen 1 of the right screw(ccw) and...

  • Page 83

    Disassembly and reassembly samsung electronics 3-49 no parts procedure remark 7) unlock 3 hooks to fix panel front and back- body. 2 control-in (main pcb) 1) take all the connector of pcb upper side out. (inclusion power cord) 2) detach the outdoor unit connection wire from the terminal block. 3) lo...

  • Page 84

    Disassembly and reassembly 3-50 samsung electronics no parts procedure remark 4 heat exchanger 1) loosen 2 fixing earth screws(ccw) of right side. (use +screw driver.) 2) detach the connection pipe. 3) detach the holder pipe at the rear side. 4) loosen the 4 fixing screws(ccw) of right and left side...

  • Page 85

    Disassembly and reassembly samsung electronics 3-51 qglobal mini 4way no parts procedure remark 1 panel 1) pull both hooks and take the grille down- ward. Two safety clips are mounted to the front grille to prevent it from dropping. 2) detach the safity clip and take up the grille. 3) remove the 2 f...

  • Page 86

    Disassembly and reassembly 3-52 samsung electronics no parts procedure remark 6) disassemble the bolts that are assembled with the indoor unit at the 4 panel corners. 7) press the hangers at both sides of the panel inwards, to remove it from the indoor unit’s hook. Remove the panel from the indoor u...

  • Page 87

    Disassembly and reassembly samsung electronics 3-53 no parts procedure remark 3 bell-mouth 1) unscrew the screw fixed on the bell-mouth. (use +screw driver) 2) push the bell-mouth in the direction oppo- site to where it’s installed on the control- box to remove it. 4 drain pan 1) unscrew the screws ...

  • Page 88

    Disassembly and reassembly 3-54 samsung electronics no parts procedure remark 5 drain pump & hose 1) remove the 2 fixed screws and disconnect the white drainage hose from the drain pump. (use +screw driver) 2) remove the 2 screws and take the drain- hose out from the indoor unit to disas- semble the...

  • Page 89

    Disassembly and reassembly samsung electronics 3-55 no parts procedure remark 7 fan & motor 1) turn the hexangular nut attached to the top of the fan counterclockwise to remove it. Take the fan out of the motor. 2) turn the three hexangular nuts on the motor counterclockwise to remove the nuts. Take...

  • Page 90

    Disassembly and reassembly 3-56 samsung electronics no parts procedure remark 3) remove the screw of the cover pipe that is used to fix the in/out pipe. Remove the in/ out pipe. (use +screw driver) 4) remove the heat exchanger from the indoor unit’s cabinet..

  • Page 91: 4. Troubleshooting

    Samsung electronics 4-1 4. Troubleshooting 4-1 check-up window description no. Function no. Function 1 cn22 download (pc) (smw200-10 black) 6 set up the number of connected outdoor units 2 micom. Download (as-pro) (smw200-07p white) 7 for checking indoor unit communication (yw396-02p red) 3 error di...

  • Page 92

    4-2 samsung electronics 4-2 service operation 4-2-1 special operation ـ key input of the outdoor unit when the service enters the operation mode. K1 (number of press) key operation display on segment 1 time refrigerant charging in heating mode k, 1, blank, blank 2 times trial operation in heating mo...

  • Page 93

    Troubleshooting samsung electronics 4-3 غ͑commissioning ـ͑ after initial installation, stable operation for a certain period of time limited to operation conditions. Cooling heating method of entry k2 tact switch twice k2 tact switch twice compressor normal operation, but the maximum frequency limit...

  • Page 94

    Troubleshooting 4-4 samsung electronics غ͑heating pump out ـ operation for the repair of the individual outdoor unit, the outdoor unit refrigerant emissions to the indoor part. ـ liquid pipe service valve and the gas pipe service valve operation, the operator manually need to close. ـ observe low pr...

  • Page 95

    Troubleshooting samsung electronics 4-5 غ͑vacuum operation ـ operation to facilitate vacuum to open the valve after the outdoor unit repair. غ piping inspection operation ـ operation mode to check the status of the piping between the mcu and the indoor unit. ـ heat pump model : outdoor temperature i...

  • Page 96

    Troubleshooting 4-6 samsung electronics غ forced defrost operation ـ forced defrost operation : is operation when frost formation occurs in the outdoor. (when carried out the service) غ forced oil recovery operation ـ forced oil recovery operation : oil recovery in the outdoor unit for the purpose o...

  • Page 97

    Samsung electronics 4-7 4-3 troubleshooting 4-3-1 setting option setup method 4-3-1-1 pcb option code input method ■ slim 1way, 4way series ▶ set the indoor unit address and installation option with remote controller option. Set the each option separately since you cannot set the address setting and...

  • Page 98

    Troubleshooting 4-8 samsung electronics ■ the procedure of setting option option setting status 1. Setting seg2, seg3 option press low fan button( ∨) to enter seg2 value. Press high fan button( ∧) to enter seg3 value. Each time you press the button, … will be selected in rotation. 2. Setting cool mo...

  • Page 99

    Troubleshooting samsung electronics 4-9 ■ the procedure of setting option (cont.) option setting status 11. Setting seg14, seg15 option press low fan button( ∨) to enter seg14 value. Press high fan button( ∧) to enter seg15 value. Each time you press the button, … will be selected in rotation. 12. S...

  • Page 100

    Troubleshooting 4-10 samsung electronics step 3 check the option you have set after setting option, press button to check whether the option code you input is correct or not. Step 4 input option press operation button with the direction of remote control for set. For the correct option setting, you ...

  • Page 101

    Troubleshooting samsung electronics 4-11 - setting an indoor unit address and installation option ■ setting an indoor unit installation option (suitable for the condition of each installation location) 1. Check whether power is supplied or not. - when the indoor unit is not plugged in, there should ...

  • Page 102

    Troubleshooting 4-12 samsung electronics option seg1 seg2 seg3 seg4 seg5 seg6 explanation page mode use of robot cleaning use of external temperature sensor use of central control fan rpm compensation remote controller display indication and details indication details indication details indication d...

  • Page 103

    Troubleshooting samsung electronics 4-13 4-3-2 option items type samsung model number option intall code cycel code intall code 2 slim 1way jsf-1 am007fn1dch/aa 017044-1180c8-201616-330010 020010-100000- 200000-300000 030000-100000- 200000-300000 050000-100000- 200000-300000 am009fn1dch/aa 017044-11...

  • Page 104

    Troubleshooting 4-14 samsung electronics option items(cont.) 7 if you are going to use up to seg 24, please refer to following instruction. Seg 17 : 0 £ 1: using high ceiling kit for 4way seg 18 : y if you want to use multiple functions, add each of the 'use' value of the function you want to used a...

  • Page 105

    Troubleshooting samsung electronics 4-15 4-3-3 what to check before diagnosis 4-3-3-1 lamp combination expression method display (cassette type indoor unit) - slim 1-way, 2 -way, mini 4-way cassette type ■ error detection and restart ● when error occurs during operation, indicate a problem with led ...

  • Page 106

    Troubleshooting 4-16 samsung electronics ■ led lamp display with error detection (cont.) abnormal condition error code led display green red 1. Cond mid sensor is detached 2. Refrigerant leakage (2nd detection) 3. Abnomally high temperature on cond (2nd detection) 4. Low pressure s/w (2nd detection)...

  • Page 107

    Troubleshooting samsung electronics 4-17 ■ error detection and restart ● when error occurs during operation, indicate a problem with led flashes, and no other operations but led stops. ● when restarting operation with remote controller or switch, it will determine the appropriate error mode after no...

  • Page 108

    Troubleshooting 4-18 samsung electronics abnormal condition error code led display operation defrost timer filter eeprom option error e163 error due to incompatible indoor unit e164 : on : flickering : off - if you turn off the air conditioner when the led is flickering, the led is also turned off. ...

  • Page 109

    Troubleshooting samsung electronics 4-19 ■ error detection and restart ● when error occurs during operation, indicate a problem with led flashes, and no other operations but led stops. ● when restarting operation with remote controller or switch, it will determine the appropriate error mode after no...

  • Page 110

    Troubleshooting 4-20 samsung electronics ■ led lamp display with error detection (remote control receiver) (cont.) abnormal condition error code led display 1. Cond mid sensor is detached 2. Refrigerant leakage (2nd detection) 3. Abnomally high temperature on cond (2nd detection) 4. Low pressure s/w...

  • Page 111

    Troubleshooting samsung electronics 4-21 ■ error detection and reoperation ● if an error occurs during the operation, an led flickers and the operation is stopped except the led. ● if you re-operate the air conditioner, it operates normally at first, then detect an error again. ■ indoor unit led lam...

  • Page 112

    Troubleshooting 4-22 samsung electronics ■ error detection and reoperation ● if an error occurs during the operation, an led flickers and the operation is stopped except the led. ● if you re-operate the air conditioner, it operates normally at first, then detect an error again. ■ indoor unit led lam...

  • Page 113

    Troubleshooting samsung electronics 4-23 4-3-4 number display method (outdoor unit, mcu, cable remote control, wall-mount, etc.) غ how to display integrated error code ـ meanings of first alphabetical character / number of error code ـ order of error display classification error display method displ...

  • Page 114

    Troubleshooting 4-24 samsung electronics code explanation e-101 indoor unit communication error. Indoor unit can not receive any data from outdoor unit. E-102 communication error between indoor unit and outdoor unit. Displayed in indoor unit. E-108 error due to repeated address setting (when 2 or mo...

  • Page 115

    Troubleshooting samsung electronics 4-25 غ diagnosis and adjustment (error code) ـ error code related to the communications / settings / hw (cont.) code explanation e-201 communication error between indoor and outdoor units (installation number setting error, repeated indoor unit address, indoor uni...

  • Page 116

    Troubleshooting 4-26 samsung electronics غ diagnosis and adjustment (error code) ـ error code related to the communications / settings / hw (cont.) code explanation e-311 error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger) (short or open) e-321 error on evi (esc) in temp...

  • Page 117

    Troubleshooting samsung electronics 4-27 غ diagnosis and adjustment (error code) ـ error code related to the communications / settings / hw (cont.) code explanation e-447 motor wire of fan1 is not connected e-448 lock error on fan1 e-452 error due to zpc detection circuit problem or power failure e-...

  • Page 118

    4-28 samsung electronics 4-4 appropriate measures for different symptom 4-4-1 outdoor unit operation flow commissioning if it is not running - up is displayed prior to starting the air conditioning operation after the ini- tial installation and automatic commissioning is carried out. This process, t...

  • Page 119

    Troubleshooting samsung electronics 4-29 4-4-2 main pcb has no power phenomenon outdoor unit display main pcb has no power phenomenon (7-seg does not blink) judgment method hub pcb power and connection wire to detect. Cause of problem · hub pcb connector wire defects and the connection is not. · mai...

  • Page 120

    Troubleshooting 4-30 samsung electronics 4-4-3 indoor unit room sensor error (open/short) 1. How to check x x x (x x x : the address of the error occurred indoor unit) × (operation) ◑ (timer) × (fan) × (filter) × (defrost) t the room temperature sensor of no. Xxx indoor unit has defective open/short...

  • Page 121

    Troubleshooting samsung electronics 4-31 4-4-4 indoor unit evap in sensor error (open/short) ◑ (operation) ◑ (timer) × (fan) × (filter) × (defrost) x x x (x x x : the address of the error occurred indoor unit) t the evap in sensor of no. Xxx indoor unit has defective open/short indoor unit display c...

  • Page 122

    Troubleshooting 4-32 samsung electronics 4-4-5 indoor evap out sensor error (open/short) ◑ (operation) ◑ (timer) × (fan) × (filter) × (defrost) x x x (x x x : the address of the error occurred indoor unit) t the evap out sensor of no. Xxx indoor unit has defective open/short t refer to how to determ...

  • Page 123

    Troubleshooting samsung electronics 4-33 4-4-6 indoor heat exchanger's evap in sensor dislocation error × (operation) ◑ (timer) ◑ (fan) ◑( filter) × (defrost) t indoor heat exchanger's evap in piping sensor has been dislocated t refer to how to determine below indoor unit display criteria cause of p...

  • Page 124

    Troubleshooting 4-34 samsung electronics × (operation) ◑ (timer) ◑ (fan) ◑( filter) × (defrost) t breakaway of indoor heat exchanger eva out sensor t refer to the judgment method below. Indoor unit display criteria cause of problem outdoor unit display x x x (x x x : the address of the error occurre...

  • Page 125

    Troubleshooting samsung electronics 4-35 4-4-8 simultaneous indoor heat exchanger's eva in, out sensor dislocation error (open/short) 1. How to diagnose 1) during cooling operation tcond, out - tair, out > 3°c ok tair, in - teva, out > 4°c no tair, in - teva, out > 4°c no compressor in operation & i...

  • Page 126

    Troubleshooting 4-36 samsung electronics 4-4-9 electronic expansion valve opening malfunction (2nd stage) - × (operation) × (timer) ◑ (fan) ×( filter) × (defrost) t faulty indoor unit eev action. (refrigerant will leak into the stopped indoor unit.) t refer to the judgment method below. Indoor unit ...

  • Page 127

    Troubleshooting samsung electronics 4-37 4-4-10 breakdown of eev (2 nd ) 1. How to diagnose detect only on cooling operation. (no detection during heating operation.) during cooling operation, the temperature of the inlet or outlet ducts of heat exchanger is kept below 0˚c for more than 20 minutes w...

  • Page 128

    Troubleshooting 4-38 samsung electronics 4-4-11 problem with eev closure (2 nd ) 1. How to diagnose 1) during cooling operation(each of the below conditions have to be met for at least 20 minutes.) 2) during heating operation (must satisfy all conditions below) 2) t8ifonpsfuibojoeppsvojutbsfpo5ifsnp...

  • Page 129

    Troubleshooting samsung electronics 4-39 4-4-12 : detection of floating switch of indoor unit's drain pump 1. How to check ✳ to release e153 error, you must reset the power of the indoor unit. No no no no no yes yes yes yes yes yes when checking the resistance value of both terminals after disconnec...

  • Page 130

    Troubleshooting 4-40 samsung electronics 4-4-13 the operational error of indoor unit's fan motor × (operation) × (timer) ◑ (fan) × (filter) × (defrost) x x x(x x x : the address of the error occurred indoor unit) t the operational error of the fan motor of no. Xxx indoor unit t refer to how to deter...

  • Page 131

    Troubleshooting samsung electronics 4-41 4-4-14 mixed operation error (only applicable to heat pump model/not to hr model) ● mixed operation error is applicable only to heat pump model and not to hr model. ● mixed operation error is not due to a product problem but is displayed when the operational ...

  • Page 132

    Troubleshooting 4-42 samsung electronics 4-4-15 eeprom error indoor unit display × (operation) ◑ (timer) ◑ (fan) ◑ (filter) × (defrost) t1$#sfqmbdfnfouevfupefgfdujwf&&130. Criteria cause of problem t communication failure between eeprom and micom outdoor unit display yes are there any problems such ...

  • Page 133

    Troubleshooting samsung electronics 4-43 4-4-16 option error of the remote controller for an indoor unit indoor unit display ◑ (operation) ◑ (timer) ◑ (fan) ◑ (filter) ◑ (defrost) t.Jttfepsfsspofpvtjoqvupgsfnpufdpouspmmfspqujpot criteria cause of problem t%jtqmbzovncfsuzqfpgjoeppsvojuo&pddvst-bnquzq...

  • Page 134

    Troubleshooting 4-44 samsung electronics 4-4-18 simultaneous opening of cooling/heating mcu sol valves 1 st /2 nd ● during the first detection, as the system restarts after making an automatic stop to check a problem with the system ● during the second detection, please refer to the following check-...

  • Page 135

    Troubleshooting samsung electronics 4-45 4-4-19 error due to incorrect indoor unit power/communication cable connection indoor unit display t apply power (220v) to the terminal of the indoor unit communication block (f1/f2) criteria cause of problem t check for power input(220v) for the terminal blo...

  • Page 136

    Troubleshooting 4-46 samsung electronics 4-4-20 spi feedback error indoor unit display ◑ (operation) ◑ (timer) × (fan) ◑ (filter) × (defrost) t spi defect criteria cause of problem t check if the output of spi feedback is 12v outdoor unit display 1. How to check 예 is the spi connector of an indoor u...

  • Page 137

    Troubleshooting samsung electronics 4-47 4-4-21 outdoor unit pipe inspection error 1. Judgment method ● check if the indoor address settings are the same for the address of the indoor units connected to each port of the mcu and the address of the indoor units of the relevant mcu ports. ● check if th...

  • Page 138

    Troubleshooting 4-48 samsung electronics 4-4-22 communication error between indoor and outdoor units during tracking ×(operation) ስ (reservation) ስ (blast) ×(filter) ×(defrost) · refer to the judgment method below. · communication error between indoor and outdoor units. Indoorunit display judgment m...

  • Page 139

    Troubleshooting samsung electronics 4-49 outdoor unit display 4-4-23 communication error between indoor and outdoor units after tracking ×(operation) ስ (reservation) ስ (blast) ×(filter) ×(defrost) · communication error between indoor and outdoor units and setup error of indoor unit installation quan...

  • Page 140

    Troubleshooting 4-50 samsung electronics 4-4-24 communication error between main and sub unit of outdoor unit or between outdoor units - · communication error between outdoor units. · refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit display reset e...

  • Page 141

    Troubleshooting samsung electronics 4-51 4-4-25 communication error between mcu and outdoor unit t3fgfsfodfcfmpx t$pnnvojdbujpo&sspscfuxffo.$6boepvueppsvoju indoor unit display judgment method special cause outdoor unit display 1. Inspection method - yes yes mcu installation quantity setup switch fo...

  • Page 142

    Troubleshooting 4-52 samsung electronics 4-4-26 internal communication error of the outdoor unit c-box outdoor unit display indoorunit display ×(operation) ስ (reservation) ስ (blast) ×(filter) ×(defrost) judgment method · communication error between the c-box pcb cause of problem · communication wire...

  • Page 143

    Troubleshooting samsung electronics 4-53 4-4-27 internal pcb communication error of the outdoor unit c-box outdoor unit display indoorunit display ×(operation) ስ (reservation) ስ (blast) ×(filter) ×(defrost) judgment method · pcb does not respond to the invoked main pcb cause of problem · c-box inter...

  • Page 144

    Troubleshooting 4-54 samsung electronics 4-4-28 communication error between mcu and outdoor unit after tracking is completed t$pnnvojdbujpofsspscfuxffojoeppsboepvueppsvojutboetfuvqfsspspgjoeppsvojujotubmmbujporvboujuz setup switch judgment method special cause t0vueppsvojujtvobcmfupdpnnvojdbufgpsuxp...

  • Page 145

    Troubleshooting samsung electronics 4-55 4-4-29 mcu branch part setup error – inconsecutive connection with the use of 2 branch parts t branch part assembly error criteria cause of problem t when 2 branch parts are used for one indoor unit without connecting them consecutively. Outdoor unit display ...

  • Page 146

    Troubleshooting 4-56 samsung electronics 4-4-30 mcu branch part setup error – repeated setup for the same address over 3 times t mcu indoor unit address setting error criteria cause of problem t the same indoor unit address was setup more than 3 times in mcu outdoor unit display 1. How to check find...

  • Page 147

    Troubleshooting samsung electronics 4-57 4-4-31 mcu branch part setup error – non-installed address setup t indoor unit, with the assigned address on mcu, not installed. Criteria cause of problem t*guifsfjtbojoeppsvojuuibujtopujotubmmfebnpoh.$6sfhjtufsfejoeppsvojut outdoor unit display 1. How to che...

  • Page 148

    Troubleshooting 4-58 samsung electronics 4-4-32 setup error for mcu branch part – setup error for mcu quantity used judgment method t0ddvstxifouifrvboujuzpg.$6jtjodpssfdumztfuczuifpvueppsvoju t0ddvstxifotbnfbeesfttftbsfgpvoexifouxppsnpsf.$6bsfdpoofdufe outdoor unit display 1. Inspection method : re-...

  • Page 149

    Troubleshooting samsung electronics 4-59 4-4-33 mcu branch part setup error – overlapping indoor unit address setup 1. How to check check the setup switch for the number of indoor units in mcu after completing resetting, press the outdoor unit's k3 button to reset or turn off to restart. Mcu box #0 ...

  • Page 150

    Troubleshooting 4-60 samsung electronics 4-4-34 mcu branch part setup error – set as being used without connection to an indoor unit 1. How to check adjust the dip switch that sets up the use of mcu branch part to ‘not-used'. After completing resetting, press the outdoor unit's k3 button to reset or...

  • Page 151

    Troubleshooting samsung electronics 4-61 4-4-35 mcu branch part setup error – connect an indoor unit to a branch part not being used t*oeppsvojudpoofdujpoupuifvovtfecsbodiqbsu criteria cause of problem t0ddvstxifo.$61*1&jtuvsofepggzfubojoeppsvojujtsfhjtufsfe outdoor unit display 1. How to check chec...

  • Page 152

    Troubleshooting 4-62 samsung electronics 4-4-36 mcu branch part setup error – connect more indoor units than what is actually set up in mcu t/vncfspgjoeppsvojutfydffetovncfspgjoeppsvojutfoufsfepo.$6tfuujoh criteria cause of problem t0ddvstxifouifovncfspgjoeppsvojutjotubmmfefydffetuibusfhjtufsfejo.$6...

  • Page 153

    Troubleshooting samsung electronics 4-63 4-4-37 outdoor temperature sensor error ስ (operation) ×(reservation) ስ (blast) ×(filter) ×(defrost) · outdoor temperature sensor open/short is defective. · refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit di...

  • Page 154

    Troubleshooting 4-64 samsung electronics 4-4-38 outdoor temperature dislocation error 1. How to check is an outdoor temperature sensor connector dislocated from the pcb? Does the resistance value greatly deviate from the temperature table to the next? After separating the outdoor temperature sensor ...

  • Page 155

    Troubleshooting samsung electronics 4-65 1. Cause of problem 4-4-39 cond out temperature sensor error (open/short) ስ (operation) ×(reservation) ስ (blast) ×(filter) ×(defrost) · disconnection or breakdown of relevant sensor. · refer to the judgment method below. Indoorunit display judgment method cau...

  • Page 156

    Troubleshooting 4-66 samsung electronics 2. Cause of problem 4-4-40 outdoor cond out sensor breakaway error yes yes is the cond out sensor and the sensor holder correctly attached? Are there any changes n the value of the sensor when operating from stop to heating? Is the cond out sensor resistance ...

  • Page 157

    Troubleshooting samsung electronics 4-67 yes did the connector for the outdoor digital compressor discharge temperature sensor break away from the pcb? Did the resistance value significantly stray from the following temperature table? Separate the connector for the outdoor unit discharge temperature...

  • Page 158

    Troubleshooting 4-68 samsung electronics 4-4-42 constant rate compressor discharge temperature sensor error (open/short) (operation) ×(reservation) (blast) ×(filter) ×(defrost) , (compressor 2, compressor 3) t$potubousbufdpnqsfttpsejtdibshfufnqfsbuvsftfotps01&/4)035qspcmfn t3fgfsupuifjotqfdujponfuip...

  • Page 159

    Troubleshooting samsung electronics 4-69 4-4-43 compressor discharge or top 1/2 temperature sensor error 1. Cause of problem outdoor unit display (compressor 1 discharge) (compressor 2 discharge) (compressor 1 top) (compressor 2 top) indoorunit display ስ (operation) ×(reservation) ስ (blast) ×(filter...

  • Page 160

    Troubleshooting 4-70 samsung electronics 4-4-44 : dislocation error of compressor sump temperature (oil temperature) sensor indoor unit display × (operation) ◑ (timer) ◑ (fan) ◑ (filter) × (defrost) (digital compressor or fixed compressor 1) t sump (oil) temperature sensor dislocation error criteria...

  • Page 161

    Troubleshooting samsung electronics 4-71 4-4-45 : suction temperature sensor breakaway error indoorunit display ×(operation) ስ (reservation) ስ (blast) ስ (filter) ×(defrost) judgment method cause of problem · if the suction temperature right before operating the comp, when the operating order is high...

  • Page 162

    Troubleshooting 4-72 samsung electronics 1. Inspection method 4-4-46 sump temperature sensor error (open/short) (operation) ×(reservation) (blast) ×(filter) ×(defrost) t%jtdpoofdujpopscsfblepxopgsfmfwboutfotps t3fgfsupuifkvehnfounfuipecfmpx indoor unit display judgment method special cause outdoor u...

  • Page 163

    Troubleshooting samsung electronics 4-73 4-4-47 high pressure sensor error (open/short) ×(operation) ስ (reservation) ስ (blast) ስ (filter) ×(defrost) · disconnection or breakdown of relevant sensor. · refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit...

  • Page 164

    Troubleshooting 4-74 samsung electronics 4-4-48 low pressure sensor error (open/short) ስ (operation) ስ (reservation) ስ (blast) ×(filter) ×(defrost) · disconnection or breakdown of relevant sensor. · refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit ...

  • Page 165

    Troubleshooting samsung electronics 4-75 4-4-49 suction temperature sensor error (open/short) ስ (operation) ×(reservation) ስ (blast) ×(filter) ×(defrost) · disconnection or breakdown of relevant sensor. · refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor...

  • Page 166

    Troubleshooting 4-76 samsung electronics 4-4-50 liquid pipe temperature sensor error (open/short) ስ (operation) ×(reservation) ስ (blast) ×(filter) ×(defrost) · disconnection or breakdown of relevant sensor. · refer to the judgment method below. Indoorunit display judgment method cause of problem out...

  • Page 167

    Troubleshooting samsung electronics 4-77 4-4-51 evi in temperature sensor error (open/short) ስ (operation) ×(reservation) ስ (blast) ×(filter) ×(defrost) · disconnection or breakdown of relevant sensor. · refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor ...

  • Page 168

    Troubleshooting 4-78 samsung electronics 4-4-52 evi out temperature sensor error (open/short) ስ (operation) ×(reservation) ስ (blast) ×(filter) ×(defrost) · disconnection or breakdown of relevant sensor. · refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor...

  • Page 169

    Troubleshooting samsung electronics 4-79 1. Inspection method 4-4-53 suction-2 temperature sensor error (open/short) (operation) ×(reservation) (blast) ×(filter) ×(defrost) t%jtdpoofdujpopscsfblepxopgsfmfwboutfotps t3fgfsupuifkvehnfounfuipecfmpx indoor unit display judgment method special cause outd...

  • Page 170

    Troubleshooting 4-80 samsung electronics 4-4-54 : comp. Down due to high pressure protection control indoorunit display cause of problem ×(operation) ስ (reservation) ስ (blast) ስ (filter) ×(defrost) · outdoor unit fan motor problem (constrained, defective) · motor driver defective or wire is cut · ou...

  • Page 171

    Troubleshooting samsung electronics 4-81 4-4-55 : comp. Down due to low pressure protection control indoorunit display cause of problem ×(operation) ስ (reservation) ስ (blast) ስ (filter) ×(defrost) · refrigerant shortage · electronic expansion valve blocked · service valve blocked · low pressure sens...

  • Page 172

    Troubleshooting 4-82 samsung electronics 1. Inspection method 4-4-56 sump sensor error due to protection control no is the sensor connector properly connected to pcb? Is the sensor displaying the temperature normally? Is the sensor properly attached to the sensor holder below the compressor? Refer t...

  • Page 173

    Troubleshooting samsung electronics 4-83 4-4-57 : comp. Down due to compressor discharge temperature sensor indoorunit display cause of problem ×(operation) ስ (reservation) ስ (blast) ስ (filter) ×(defrost) · refrigerant shortage · electronic expansion valve is blocked. · service valve blocked · defec...

  • Page 174

    Troubleshooting 4-84 samsung electronics 1. Cause of problem 4-4-58 3-phase input wiring error outdoor unit display indoorunit display ×(operation) ስ (reservation) ስ (blast) ስ (filter) ×(defrost) judgment method . When turn on the power and check the status of the power from the inverter. If the pha...

  • Page 175

    Troubleshooting samsung electronics 4-85 4-4-59 : comp. Down by compression ratio control 1. Cause of problem yes are the 4way valve normally operating? Are the indoor unit and outdoor unit eev normally operating? Is current of compressor normally? Complete commissioning replace defective sensor che...

  • Page 176

    Troubleshooting 4-86 samsung electronics 4-4-60 evi eev open error 1. Cause of problem outdoor unit display indoorunit display - judgment method . Dsh 65hz 40 minutes maintaining cause of problem . Evi eev and intercooler leakage, excessive refrigerant amount, outdoor check valve inserted opposite. ...

  • Page 177

    Troubleshooting samsung electronics 4-87 4-4-61 refrigerant leakage error ×(operation) (reservation) (blast) (filter) ×(defrost) t-fblbhfpgsfgsjhfsboutjnvmubofpvtnbmgvodujpopgqsfttvsftfotps t3fgfsupuifkvehnfounfuipecfmpx indoor unit display judgment method special cause outdoor unit display ■ low-pr...

  • Page 178

    Troubleshooting 4-88 samsung electronics 4-4-62 , : prohibition of the operation of compressor due to ooutdoor temperature indoor unit display cause of problem no sign t0qfsbujpo1spijcjujponpefczuifjoeppsufnqfsbuvsfmjnju criteria : right before an outdoor unit starts heating operation by on signal o...

  • Page 179

    Troubleshooting samsung electronics 4-89 4-4-63 high pressure standard not met before air conditioning (inability to re-operate) 1. Cause of problem is high pressure sensor connector accurately connected to pcb? Replace high pressure sensor is there any refrigerant leakage or recharging problem insi...

  • Page 180

    Troubleshooting 4-90 samsung electronics 1. Judgment method tini = sump temperature when entering the ch operation delay condition tlast= sump temperature when maintaining ch operation delay for two hours outside air temperature sensor value: outside air temperature when maintaining ch operation del...

  • Page 181

    Troubleshooting samsung electronics 4-91 4-4-65 fan starting error outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method · startup, and then if the speed increase is not normally. · detected by h/w or s/w cause of problem · compressor connection error · defective compressor · defectiv...

  • Page 182

    Troubleshooting 4-92 samsung electronics 4-4-66 fan lock error outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method · is checked symptoms by phase current of fan motor. Cause of problem · fan motor connection error. · defective fan · defective pcb power on and then commissioning powe...

  • Page 183

    Troubleshooting samsung electronics 4-93 4-4-67 momentary blackout error indoorunit display ×(operation) ስ (reservation) ስ (blast) ስ (filter) ×(defrost) · momentary stop of compressor due to momentary blackout. Judgment method cause of problem · momentary stop of compressor due to momentary blackout...

  • Page 184

    Troubleshooting 4-94 samsung electronics 4-4-68 outdoor fan motor overheating outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method · overheating due to the internal sensor of the fan motor. Cause of prob- lem · defective connection wire · defective fan motor · defective pcb · defecti...

  • Page 185

    Troubleshooting samsung electronics 4-95 4-4-69 outdoor unit fan motor rpm error - t0vueppsvojugbonpupsdpotusbjofepsgbvmuzpgpqfsbujpo t*odbtfuifovncfspguifsfwpmvujpotpguifpvueppsvojugbonpupsjonpujpojtejggfsfouczsqnpsnpsf compared to the instructed value. Indoor unit display judgment method special c...

  • Page 186

    Troubleshooting 4-96 samsung electronics 4-4-70 fan ipm overheat error outdoor unit display (fan1 pcb) (fan2 pcb) judgment method · ipm internal temperature more than 85°c (e455, e355) cause of prob- lem · heat sink and ipm assembly defective. · defective heat sink cooling power off yes did check th...

  • Page 187

    Troubleshooting samsung electronics 4-97 4-4-71 over-voltage error of an outdoor fan motor - t0vueppsgbonpupsmpdlpsefgfdu t0ddvstczbcsvqutubsupspwfsmpbe t8ifouifdvssfoupgbopqfsbujohpvueppsgbonpupsjtnpsfuifo"gpsnjovuf indoor unit display criteria cause of problem outdoor unit display 1. How to check ...

  • Page 188

    Troubleshooting 4-98 samsung electronics 4-4-73 : compressor excess current error ×(operation) (reservation) (blast) (filter) ×(defrost) t#sfblepxopgdpnqsfttps'bvmuz$5tfotps t&sspsejtqmbzfejguif$5tfotpswbmvfpguifsfmfwboudpnqsfttpsjt"psnpsfboejtnbjoubjofegpsnpsf than 3 seconds. Indoor unit display ju...

  • Page 189

    Troubleshooting samsung electronics 4-99 4-4-74 compressor starting error outdoor unit display (inverter1 pcb) (inverter2 pcb) judgment method · startup, and then if the speed increase is not normally. · detected by h/w or s/w. Cause of problem · compressor connection error · defective compressor · ...

  • Page 190

    Troubleshooting 4-100 samsung electronics 4-4-75 inverter overcurrent error outdoor unit display (inverter1 pcb) (inverter2 pcb) judgment method · will occur if the overcurrent flowing in the ipm. · detected by h/w or s/w cause of problem · installation defective · comp. Defective · pcb defective · ...

  • Page 191

    Troubleshooting samsung electronics 4-101 4-4-76 overvoltage / low voltage error outdoor unit display (inverter1 pcb) (inverter2 pcb) judgment method · n-phase wiring error and emi fuse short. · dc-link overvoltage / low voltage occurs. Cause of problem · check the input wiring · emi fuse short powe...

  • Page 192

    Troubleshooting 4-102 samsung electronics 4-4-77 dc link voltage sensor error outdoor unit display (inverter1 pcb) (inverter2 pcb) (outdoor fan 1 pcb) (outdoor fan 2 pcb) judgment method · dc voltage detection : judged as an error if the detected value is more than 2.8v or 0.2v less than cause of pr...

  • Page 193

    Troubleshooting samsung electronics 4-103 1. Inspection method 4-4-78 liquid compression prevention control are the sump sensor and the discharge sensor are properly connected/attached? Check the failure in liquid bypass valve and 4way valve. Check the normal eev operation of the main eev evi. Check...

  • Page 194

    Troubleshooting 4-104 samsung electronics 4-4-79 fan motor overcurrent error outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method · occurs when overcurrent flows in the ipm. · detected by h/w or s/w cause of problem · installation error · defective comp · defective pcb · connector er...

  • Page 195

    Troubleshooting samsung electronics 4-105 4-4-80 input / output current sensor error outdoor unit display inverter1 pcb(input current sensor) inverter2 pcb(input current sensor) inverter1 pcb(output current sensor) inverter 2 pcb(output current sensor) outdoor fan pcb (fan1 output current sensor) ou...

  • Page 196

    Troubleshooting 4-106 samsung electronics 4-4-81 outdoor fan pcb overvoltage / low voltage error outdoor unit display judgment method · n-phase wiring error and emi fuse short. · dc-link overvoltage / low voltage occurs. Cause of problem · check the input wiring · emi fuse short power off yes is inv...

  • Page 197

    Troubleshooting samsung electronics 4-107 4-4-82 hall ic(fan) error outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method · fan rotation defective or vibration and noise of the defective operation. · hall ic there is no signal input. Cause of prob- lem · connection status error. · hal...

  • Page 198

    Troubleshooting 4-108 samsung electronics 4-4-83 inverter overheat error outdoor unit display (inverter1 pcb) (inverter2 pcb) judgment method · igbt module internal temperature : 105°c more than (e500, e400) cause of problem · cooling pin and the igbt junction part assembly defective. · refrigerant ...

  • Page 199

    Troubleshooting samsung electronics 4-109 4-4-84 model mismatching of indoor unit. Outdoor unit display judgment method · prior to july 2011, if the software version of the indoor unit. · prior to july 2011, if the software version of the indoor unit. Cause of problem · check the software version of...

  • Page 200

    Troubleshooting 4-110 samsung electronics 4-4-85 breakdown of an eev(1 st ) 1. How to diagnose detect only on cooling operation. (no detection during heating operation.) during cooling operation, the temperature of the inlet or outlet ducts of heat exchanger is kept lower than 0˚c for more than 20 m...

  • Page 201

    Troubleshooting samsung electronics 4-111 4-4-86 breakdown of an eev closure 1. How to diagnose 1) during cooling operation (it must satisfy each of the following conditions for over 20minutes.) 2) during heating operation (it must satisfy each of the following conditions for over 20minutes.) · when...

  • Page 202

    Troubleshooting 4-112 samsung electronics 4-4-87 electronic expansion valve closing malfunction (2 nd stage) indoor unit display cause of problem ×(operation) (reservation) (blast) (filter) ×(defrost) tfaulty indoor unit electronic expansion valve action (valve will not open) taddress setup error in...

  • Page 203

    Troubleshooting samsung electronics 4-113 4-4-88 electronic expansion valve opening malfunction (2 nd stage) indoor unit display cause of problem ×(operation) (reservation) (blast) (filter) ×(defrost) tfaulty indoor unit electronic expansion valve action (refrigerant will leak into the stopped indoo...

  • Page 204

    Samsung electronics 5-1 5. Pcb diagram and parts list 5-1 indoor unit 5-1-1 slim 1 way cassette type 22 1 2 3 4 5 16 11 17 6 18 7 19 8 20 9 12 14 13 23 15 21 10

  • Page 205

    Pcb diagram and parts list 5-2 samsung electronics slim 1 way cassette type (cont.) ① #1: gnd ② #1: power(n) #3 : ssr motor power(l) #5 : power(n) ③ #1: fuse check signal #2: gnd ④ #1 : room thermistor #2 : gnd ⑤ #1: dc12v #2: led_0 #3: led_1 #4: led_2 #5: led_3 #6: led_4 #8: remocon_output_signal #...

  • Page 206

    Pcb diagram and parts list samsung electronics 5-3 5-1-2 4way cassette , mini 4way casette type 22 1 2 3 4 16 5 11 6 7 8 20 10 13 15 23 17 18 19 9 12 21 14.

  • Page 207

    Pcb diagram and parts list 5-4 samsung electronics 4way cassette , mini 4way casette type (cont.) ① #1: gnd ② #1: dc310v #3 : gnd #4 : dc15v #5 : fan rpm #6 : rpm feedback ③ #1: fuse check signal #2: gnd ④ #1 : dc12v #4 : remocon signal #5 : gnd ⑤ #1: dc12v #2: led_0 #3: led_1 #4: led_2 #5: led_3 #6...

  • Page 208

    Pcb diagram and parts list samsung electronics 5-5 5-1-3 duct type (slim 1,2) Ŷ main pcb 1 4 6 8 7 9 11 12 13 14 15 17 19 18 16 10 2 3 5.

  • Page 209

    Pcb diagram and parts list 5-6 samsung electronics duct type (slim 1,2) (cont.) Ŷ main pcb ① #1:power #2:gnd ② #1:power #2:gnd ③ #1:n #3:l ④ #1,#5:n #3:l #2,#4:no used ⑤ #1:l #3:n ⑥ #1:eva-in #3:eva-out #5:discharge #2,#4,#6:gnd ⑦ #1,#3:12v #2:error_chk_out #4:comp_chk_out ⑧ #1:room #2:gnd ⑨ #1:floa...

  • Page 210

    Pcb diagram and parts list samsung electronics 5-7 duct type (slim 1,2) (cont.) Ŷ sub pcb 1 ① #1:12v #2:com2_pctrl_micom #3:com2_vcheck_a #4:com2_vcheck_b #5:com2_micom_ad #6:vcc #7:no uesd #8:com2_c #9:com2_d #10:com2_txd #11:com2_rxd #12:gnd cn313-2wires comm..

  • Page 211

    Pcb diagram and parts list 5-8 samsung electronics 5-1-4 duct type (slim duct 3) ■ main pcb 8 5 3 2 1 6 7 4 10 11 12 13 14 15 17 16 18 9.

  • Page 212

    Pcb diagram and parts list samsung electronics 5-9 duct type (slim duct 3) (cont.) ■ main pcb ① #1:power #2:gnd ② #1:eva-in #3:eva-out #5:discharge #2,#4,#6:gnd ③ #1:power #2:gnd ④ #1,#3:12v #2:error_chk_out #4:comp_chk_out ⑤ #1:n #3:l ⑥ #1:l #3:n ⑦ #1:gnd #2:ext_ctrl ⑧ #1:float sw #2:gnd ⑨ ױfor dev...

  • Page 213

    Pcb diagram and parts list 5-10 samsung electronics duct type (slim duct 3) (cont.) Ŷ sub pcb 1 ① #1:12v #2:com2_pctrl_micom #3:com2_vcheck_a #4:com2_vcheck_b #5:com2_micom_ad #6:vcc #7:no uesd #8:com2_c #9:com2_d #10:com2_txd #11:com2_rxd #12:gnd cn313-2wires comm..

  • Page 214

    Pcb diagram and parts list samsung electronics 5-11 5-1-5 duct type(msp) 4 1 1 2 3 5 6 7 1 11 12 13 14 15 16 18 17 8 9 10

  • Page 215

    Pcb diagram and parts list 5-12 samsung electronics duct type(msp) (cont.) ① #1: n #2: l #3: n ② #1: l #2: n ③ #1:fuse check #2:gnd ④ #1: 12v #2 : gnd ⑤ #1: l input #2: l output ⑥ #1 : eva in temp #2,4,6: gnd #3 : eva out temp #5 : discharge temp ⑦ #1: 欮壊͑沋崫 #2: gnd ⑧ #1,3: 12v #2: error check out #...

  • Page 216

    Pcb diagram and parts list samsung electronics 5-13 5-1-6 duct type (super) 1 2 3 5 4 6 9 10 11 12 13 14 15 16 7 8.

  • Page 217

    Pcb diagram and parts list 5-14 samsung electronics duct type (super) (cont.) ① #1: live #2: - #3: neutral ② #1: neutral #2: - #3: fan_low_out #4: - #5: fan_mid_out #6: - #7: fan_hugh_out #8: - #9: fan_turbo_out ③ #1: neutral #2: live ④ ⑤ #1: 12v #2: error_chk_out #3: 12v #4: comp_chk_out ⑥ #1: eva-...

  • Page 218

    Pcb diagram and parts list samsung electronics 5-15 5-1-7 celing type 1 2 3 4 5 6 7 19 18 9 10 11 12 17 15 14 13 8.

  • Page 219

    Pcb diagram and parts list 5-16 samsung electronics celing type (cont.) ① #1: l #3: n ② #1: n #3: ry701 output #5: ry702 output #7: ry703 output #9: ry704 output ③ #1: gnd ④ #1: fuse check #2: gnd ⑤ #1: float_sw #2: gnd ⑥ #1: gnd #2: ext_ctrl ⑦ #1: vea_in_mid_temp #2: gnd #3: eva_out_temp #4: gnd #5...

  • Page 220

    Pcb diagram and parts list samsung electronics 5-17 5-1-8 wall-mounted type (neo forte) ■ main 9 8 6 4 10 7 5 11 2 1 12 3 ① #1: 12v #2: motor ssr out ② #1: l #2: n ③ #1: vcc #2: gnd #3: hall sensor ͑儘͑沋崫 ④ #1~2 : gnd #3:spi 洢檺 ⑤ #1: vcc #2~5: 挚崎決姢͑洢檺 ⑥ #1 : eva in temp #2,4,6: gnd #3 : eva out temp ...

  • Page 221

    Pcb diagram and parts list 5-18 samsung electronics wall-mounted type (neo forte)(cont.) ■ sub switch no. Cn # color function ⑰ cn61 black main-sub pcb connecor ⑱ cn83 white external contact control 17 18.

  • Page 222: 6. Wiring Diagram

    Samsung electronics 6-1 6. Wiring diagram 6-1 indoor 6-1-1 global 4way(global mini-4way) cassteet type this document can not be used without samsung’s authorization. Motor control display control pipe temp. Sensor float s/w & drain pump louver control eev control room temp. Sensor.

  • Page 223

    Wiring diagram 6-2 samsung electronics 6-1-2 slim 1way cassette type this document can not be used without samsung’s authorization..

  • Page 224

    Wiring diagram samsung electronics 6-3 6-1-3 big duct this document can not be used without samsung’s authorization..

  • Page 225

    Wiring diagram 6-4 samsung electronics 6-1-4 ceiling this document can not be used without samsung’s authorization..

  • Page 226

    Wiring diagram samsung electronics 6-5 6-1-5 rac(neo forte) this document can not be used without samsung’s authorization..

  • Page 227

    Wiring diagram 6-6 samsung electronics 6-1-6 duct type (slim iii) this document can not be used without samsung’s authorization..

  • Page 228

    Wiring diagram samsung electronics 6-7 6-1-7 duct type (slim i, ii, msp) this document can not be used without samsung’s authorization..

  • Page 229: 7. Reference Sheet

    Samsung electronics 7-1 model code 7. Reference sheet 7-1 index for model name 7-1-1 indoor unit classification am dvm version e 2012 f 2013 g 2014 product type x outdoor unit n indoor unit 045 eu n 4 d e h am f capacity x 1/10 hp (3 digits) product notation 1 1 way cassette 2 2 way cassette n mini ...

  • Page 230

    7-2 samsung electronics ※ model name for the column/bundle packaging is “~s”. Model code ★ only display the global 4 way with korean/ english k separator. H k h a h 1 h n h c h p h 4n h b product design classification p panel product type c cst product classification 1n standard 1 way cst 1b large-s...

  • Page 231

    Samsung electronics 7-3 1. If the pressure is kept low for a long time to completely replenish the refrigerant of the pipe during the pump-down, then the compressor may be damaged. Therefore, close the valve immediately if the pressure goes below 2kg/cm.G. 2. If the length of the pipe is too long o...

  • Page 232

    7-4 samsung electronics 1. Prepare a rechargeable exclusive refrigerant container, a scale, and a manifold gauge. 2. Check the amount of refrigerant remaining in the overall system at the time. 3. Connect the refrigerant container to the outdoor unit as shown in the following figure, and operate onl...

  • Page 233

    This service manual is a property of samsung electronics co., ltd. Any unauthorized use of manual can be punished under applicable international and/or domestic law. © samsung electronics co., ltd. Jan. 2013. Printed in korea. Code no. Ac-00015e_1 gspn (global service partner network) area web site ...