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Samsung AC100JNCDEH/EU Service Manual - page 6

Manual is about: 4 WAY CASSETTE SERIES

Summary of AC100JNCDEH/EU

  • Page 1

    Air conditioner contents system air conditioner 4 way cassette series 1. Precautions 2. Product specifications 3. Disassembly and reassembly 4. Troubleshooting 5. Pcb diagram 6. Wiring diagram 7. Reference sheet indoor unit outdoor unit model : ac100jncdeh/eu ac120jncdeh/eu ac140jncdeh/eu ac100jxade...

  • Page 2: Contents

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

  • Page 3: 1. Precautions

    Samsung electronics 1-1 1. Precautions 1-1 precautions for the service o use the standard parts when replacing the electric parts. – confirm the model name, rated voltage, rated current of the electric parts. O when repairing the equipment, connection of the harness parts must be firm and solid. – a...

  • Page 4

    Precautions 1-2 samsung electronics 1-3 precautions related to product safety o do not pull the power cord and do not touch the power plug or aux power switch with wet hands. – it might cause electric shock or fire. O a damaged power line or power plug must be replaced to prevent danger. O do not be...

  • Page 5: 2. Product Specifications

    Product specifications samsung electronics 2-1 2. Product specifications 2-1 the feature of product 2-1-1 features q auto changeover q long lasting outdoor unit anti corrosion cabinet & heat exchanger are applied. Q free installation 4 directions piping installation are possible. Q various useful fu...

  • Page 6

    Product specifications 2-2 samsung electronics 2-2 product specifications item development model ac100jncdeh ac100jxadeh ac100jncdeh ac100jxadgh ac120jncdeh ac120jxadeh image indoor unit outdoor unit remote controller performance cooling [btu/h] 10000 10000 12000 heating [btu/h] 11200 11200 13000 po...

  • Page 7

    Product specifications samsung electronics 2-3 item development model ac120jncdeh ac120jxadgh ac140jncdeh ac140jxadeh ac140jncdeh ac140jxadgh image indoor unit outdoor unit remote controller performance cooling [btu/h] 12000 14000 14000 heating [btu/h] 13000 16000 16000 power consumption cooling [w]...

  • Page 8

    Product specifications 2-4 samsung electronics item description code no. Q’ty remark 2:1(56,16 758&7,216 0$18$/'( ,16758&&,2 1(6 ,6758=,21,3 (5/862 0$18$/'( ,16758ÄÌ(6 0$18(/'8 7,/,6$7,21 *(%5$8&+6 $1:(,681* 6soxww\sh5r rp$lu&rqglw lrqhu $luhdfrqglflr qdgrgrpævwl frvlvwhpd6s olw &rqgl]lrqdwru hgduld...

  • Page 9

    Product specifications samsung electronics 2-5 2-3-2 filter specifications item descriptions code-no. Remark dust filter db63-03687a basic/ water wash.

  • Page 10

    Samsung electronics 3-1 item remarks +screw driver adjustable wrench (8mm, 10mm, 13mm) m6, m8 hex wrench qnecessary tools 3. Disassembly and reassembly.

  • Page 11

    3-2 samsung electronics 3-1 indoor unit no parts procedure remark 1 electrial part you must turn off the power before disassembly. 1) open the grille by sliding 4 position and removing 4 screws. 2) detach the air inlet grille. 3) detach the cover side by removing 1 screw and sliding cover. 4) open t...

  • Page 12

    Disassembly and reassembly samsung electronics 3-3 no parts procedure remark 2 fan & motor 1) disconnect 2 wires of motor. 2) detach holder motor by removing 2 screws. 3) detach the upper case of fan. (ac036hbcdbd, ac036jbcdbd, ac040jbcdbd : 3ea ac060hbcdbd, ac060jbcdbd : 4ea ) 4) detach bracket gri...

  • Page 13

    Disassembly and reassembly 3-4 samsung electronics no parts procedure remark 3 drain pan 1) detach the cabinet front by removing 7 screws. 2) remove 1 screw in the middle of drain pan. 3) detach the drian pan. Be careful that there might be some water left in the drain pan when you remove the drain ...

  • Page 14

    Disassembly and reassembly samsung electronics 3-5 no parts procedure remark 5 stepping motor 1) detach the connector. 2) detache the stepping motor by emoving 2 screws. 6 holder blade 1) remove 4 screws at both side of the holder blade..

  • Page 15

    Disassembly and reassembly 3-6 samsung electronics qac100jxadeh,ac100jxadgh,ac120jxadeh,ac120jxadgh 3-2 outdoor unit no parts procedure remark 1 cabi front rh you must turn off the power before disassembly. 1) unscrew and remove two mounting screw in the cabinet front rh. (use +screw driver) 2 cabi ...

  • Page 16

    Disassembly and reassembly samsung electronics 3-7 no parts procedure remark 4 guard cond 1) pull the sensor from guard cond. 2) unscrew and remove 4 screws in the guard cond. (use +screw driver) 5 cabi back rh 1) pull the sensor from cabi back rh. 2) unscrew and remove 4 screws on each side of the ...

  • Page 17

    Disassembly and reassembly 3-8 samsung electronics no parts procedure remark 6 cabi install back 1) unscrew and remove 1 screw in the cabinet-install back. (use +screw driver) 7 cabi front lf 1) unscrew and remove 10 screws in the cabinet-front lf. (use +screw driver).

  • Page 18

    Disassembly and reassembly samsung electronics 3-9 no parts procedure remark 8 fan 1) turn 2 mounting nuts as shown in the picture and remove it. (use adjustable wrench).

  • Page 19

    Disassembly and reassembly 3-10 samsung electronics no parts procedure remark 9 motor 1) separate the fan propeller. 2) unscrew and remove the 8 motor mounting screws. (use +screw driver) 3) disconnect the motor wire from ass'y control out. 10 bracket motor 1) unscrew and remove 2 mounting screws in...

  • Page 20

    Disassembly and reassembly samsung electronics 3-11 no parts procedure remark 11 control out 1) disconnect 4 connecters from ass'y control out. 2) unscrew and remove 1 mounting screw in control out. (use +screw driver) 3) separate ass'y control out..

  • Page 21

    Disassembly and reassembly 3-12 samsung electronics no parts procedure remark 12 ass'y 4way valve 1) purge the coolant first. 2) unscrew and remove 2mounting screws in muffler. 3) unscrew and remove 2 mounting screws in service valve. (use +screw driver) 4) separate the pipe from the entrance/exit u...

  • Page 22

    Disassembly and reassembly samsung electronics 3-13 no parts procedure remark 13 ass;y eev valve 1) unscrew and remove 2 mounting screws in service valve. (use +screw driver) 2) separate the pipe from the entrance/exit using a welder. 14 compressor 1) unscrew and remove 1 mounting nut in cover termi...

  • Page 23

    Disassembly and reassembly 3-14 samsung electronics no parts procedure remark 3) as shown in the picture, unscrew and remove 3 mounting screws from the bottom. (use adjustable wrench) 15 cond out 1) unscrew and remove 3 screws on each side of the assy cond out. (use +screw driver) 2) separate the co...

  • Page 24

    Disassembly and reassembly samsung electronics 3-15 no parts procedure remark 1 cabi front rh you must turn off the power before disassembly. 1) unscrew and remove two mounting screw in the cabinet front rh. (use +screw driver) 2 cabi top 1) unscrew and remove 9 screws on each side of the cabinet-to...

  • Page 25

    Disassembly and reassembly 3-16 samsung electronics no parts procedure remark 5 cabi back rh 1) pull the sensor from cabi back rh. 2) unscrew and remove 4 screws on each side of the cabinet back rh. (use +screw driver) 6 cabi install back 1) unscrew and remove 1 screw in the cabinet-install back. (u...

  • Page 26

    Disassembly and reassembly samsung electronics 3-17 no parts procedure remark 9 motor 1) separate the fan propeller. 2) unscrew and remove the 8 motor mounting screws. (use +screw driver) 3) disconnect the motor wire from ass'y control out. 10 bracket motor 1) unscrew and remove 2 mounting screws in...

  • Page 27

    Disassembly and reassembly 3-18 samsung electronics no parts procedure remark 12 assy 4way valve 1) purge the coolant first. 2) unscrew and remove 2 mounting screws in service valve. (use +screw driver) 3) separate the pipe from the entrance/exit using a welder. When removing the compres- sor, heat ...

  • Page 28: 4. Troubleshooting

    Troubleshooting samsung electronics 4-1 4. Troubleshooting 4-1 setting an indoor unit address and installation option ▶ 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 indoor unit installat...

  • Page 29

    Troubleshooting 4-2 samsung electronics 4-1-2 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, p p … p will be selected in rotation . Seg2 se...

  • Page 30

    Troubleshooting samsung electronics 4-3 the procedure of setting option (cont.) option setting status 12. Setting cool mode press mode button to be change to cool mode in the off status. 13. Setting seg16, seg17 option press low fan button( ) to enter seg16 value. Press high fan button( ) to enter s...

  • Page 31

    Troubleshooting 4-4 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 the operation button with the direction of remote control for set. For the correct option setting,...

  • Page 32

    Troubleshooting samsung electronics 4-5 1. If you want to use the various additional functions for your wired remote controller, press the set and esc buttons at the same time for more than three seconds. Ź you will enter the additional function settings, and the [main menu] will be displayed. 2. Re...

  • Page 33

    Troubleshooting 4-6 samsung electronics 1. Check whether power is supplied or not. - when the indoor unit is not plugged in, there should be additional power supply in the indoor unit. 2. The panel(display ) should be connected to an indoor unit to receive option. 3. Set the installation option acco...

  • Page 34

    Troubleshooting samsung electronics 4-7 option no. : 02xxxx-1xxxxx-2xxxxx-3xxxxx option seg1 seg2 seg3 seg4 seg5 seg6 explanation page mode reserved use of external temperature sensor use of central control fan rpm remote controller display indication and details indication details indication detail...

  • Page 35

    Troubleshooting 4-8 samsung electronics 4-1-5 changing a particular option you can change each digit of set option. T 8ifodibohjohbejhjupgbojoeppsvojubeesftttfuujohpqujpotfuuif4&(bta" t 8ifodibohjohbejhjupgjoeppsvojujotubmmbujpopqujpotfuuif4&(bta ex) when setting the 'buzzer control' into disuse sta...

  • Page 36

    Troubleshooting samsung electronics 4-9 4-1-6 option code for each model model seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 seg11 seg12 remocon display ac100jncdeh 0 1 d 0 6 c 1 c 5 4 3 9 ac120jncdeh 0 1 d 0 6 c 1 c 2 4 7 a ac140jncdeh 0 1 d 0 6 c 1 c 5 4 b e model seg13 seg14 seg15 seg16 seg1...

  • Page 37

    Troubleshooting 4-10 samsung electronics 4-2 indoor display error and check method 䒲 error detection and reoperation Ɣ if error occurs during the operation, badness is indicated by led flickering and all operation is stopped except led. Ɣ when reoperating by remote control and switch determine the e...

  • Page 38

    Troubleshooting samsung electronics 4-11 4-2-2 wired remote controller - if an error occurs, ( ) icon will be displayed on the wired remote controller. - press the test button to see the error code. Display explanation e108 error due to repeated communication address e121 error on room temperature s...

  • Page 39

    Troubleshooting 4-12 samsung electronics wired remote controller (cont.) display explanation e485 error on input current sensor of inverter 1 (short or open) e500 ipm over heat error on inverter 1 e508 smart install is not installed e554 gas leak detected e556 error due to mismatching capacity of in...

  • Page 40

    Troubleshooting samsung electronics 4-13 4-3 troubleshooting by symptoms wire remote controller display e121 symptom error of room sensor in the indoor unit(open/short) failure short or leakage of the room sensor 4-3-1 indoor temperature sensor (open/short) yes no no in this case, is the resistance ...

  • Page 41

    Troubleshooting 4-14 samsung electronics wire remote controller display e122, e123 symptom error of eva-in,eva-out sensor in the indoor unit(open/short) failure short or leakage of the eva sensor 4-3-2 eva in and out sensor (open/short) yes no no in this case, is the resistance value out of range in...

  • Page 42

    Troubleshooting samsung electronics 4-15 wire remote controller display e153 symptom 2nd detection of the float switch failure float switch open 4-3-3 float switch(open) no no yes is the resistance 0Ω ? Yes is the wire connector disconnected from the pcb?(cn411) replace the pcb and restart the unit ...

  • Page 43

    Troubleshooting 4-16 samsung electronics wire remote controller display e154 symptom error of fan motor in the indoor unit failure fan error 4-3-4 fan error no no no is there e154 after above 6 minute? Led of bldc pba is turned on? Yes yes yes is the motor connector disconnected from the pcb?(cn301)...

  • Page 44

    Troubleshooting samsung electronics 4-17 wire remote controller display e162 symptom eeprom pcb disconnected from the main pcb failure option error 4-3-5 eeprom error no no yes is the error mode disappear ? Yes is the eeprom pcb disconnected from the main pcb?(cn201) the indoor unit work normaly con...

  • Page 45

    Troubleshooting 4-18 samsung electronics wire remote controller display e163 symptom eeprom option setting error failure option error 4-3-6 option error no yes is the error mode disappear ? The indoor unit work normaly replace the pcb and restart the unit input the right option to eeprom pcb.

  • Page 46

    Troubleshooting samsung electronics 4-19 wire remote controller display e198 symptom error of terminal block's terminal fuse(open) failure fuse open 4-3-7 terminal block's terminal fuse(open) no no yes is the resistance 0Ω ? Yes is the wire connector disconnected from the terminal block and pcb?(cn1...

  • Page 47

    Troubleshooting 4-20 samsung electronics 4-3-8 communication error after finishing tracking (e202) 1. Check items 1) is the communication cable short/open? 2) is there a response from the indoor unit pcb? 2. Check procedure no yes is there a response from the indoor unit pcb? No yes in this case, is...

  • Page 48

    Troubleshooting samsung electronics 4-21 wire remote controller display e422 symptom clogging of outdoor's service valve failure valve clog 4-3-9 outdoor's service valve(clog) no yes is the outdoor service valve clogged? Open the outdoor's service valve replace the pcb and restart the unit.

  • Page 49

    Troubleshooting 4-22 samsung electronics 4-3-10 no power(completely dead) - initial diagnosis outdoor unit is not powered on – initial diagnosis (1phase) 1. Check items 1) is the power supply voltage 220v? 2) is the ac power connected correctly? 3) are the leds in the main pcb and inverter pcb of th...

  • Page 50

    Troubleshooting samsung electronics 4-23 yes outdoor unit is not powered on – initial diagnosis (1phase) (cont.) yes connect the reactor no is the reactor connector connected correctly? Replace the pba. Cont..

  • Page 51

    Troubleshooting 4-24 samsung electronics cont. Outdoor unit is not powered on – initial diagnosis ( 3phase) 1. Check items: 1) is the power supply voltage 380v? 2) is the ac power connected correctly? 3) are the leds in the main pcb and inverter pcb of the outdoor unit on? 4) is the input power volt...

  • Page 52

    Troubleshooting samsung electronics 4-25 yes outdoor unit is not powered on – initial diagnosis ( 3phase) (cont.) yes yes reconfigure the option dip switches check the system depending on the error display no no are the option dip switches inside the wired remote controller configured correctly? Is ...

  • Page 53

    Troubleshooting 4-26 samsung electronics 4-3-11 e102 : communication error between indoor and outdoor unit e201 : unit quantity miss matching beween indoor and outdoor e202 : abnormal state, no communication between indoor and outdoor main pcb e203 : 1min time out of communication error(main ↔invert...

  • Page 54

    Troubleshooting samsung electronics 4-27 4-3-12 external sensor error (error code: e221, e231, e251, e320) 1. Test item 1) check the connection of the temperature sensor connector. 2) check the resistance value of the temperature sensor. 2. Check procedure error code description e221 error of the te...

  • Page 55

    Troubleshooting 4-28 samsung electronics 4-3-13 e403 : freezing control causes comp. Down no no no yes yes yes check the indoor fan. Check the eev. Same as when checking other temp sensors. Check for clogging in the suction area of the indoor machine. The indoor fan/motor operates normally? The indo...

  • Page 56

    Troubleshooting samsung electronics 4-29 4-3-14 e416 : dischage temperature sensor error no yes yes yes check the amount of coolant. The sensor's resistance normal? (refer to e251.) the outdoor/indoor eev operates normally? All the sub valves open? Clogging in the pipeline? (ex-filter) outdoor unit ...

  • Page 57

    Troubleshooting 4-30 samsung electronics 4-3-15 e440, e441 : abnormal outside temperature halts operation of the compressor outdoor unit display e440 (no heater operation with the outside temperature above 30°c.) e441 no ac operation with the outside temperature below -10°c.) criteria t5ifdpnqsfttps...

  • Page 58

    Troubleshooting samsung electronics 4-31 4-3-16 outdoor unit bldc fan1 or fan2 error (e458 : fan1 error, e475 : fan2 error) 1. Checklist : *touuifgbompdlfe 2) is the sensor placed correctly? 3) does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) is the re...

  • Page 59

    Troubleshooting 4-32 samsung electronics 4-3-17 e461: compressor start error e467: compressor wire missing error 1. Checklist : 1) is the connection of cable for the compressor and power? 2) is the interphase resistance of compressor normal? 2. Troubleshooting procedure yes restart after power off. ...

  • Page 60

    Troubleshooting samsung electronics 4-33 no no yes finished inspections 4-3-18 e462 : current protection control causes comp. Down e484 : pfc overload error outdoor unit display e462,e484 criteria t5ifpvueppsnbdijofjoqvudvssfoubcpwf*@5sjq cause of problem t$ifdluifdpnqsfttpsjoqvuwpmubhffsspsgpsmpxwp...

  • Page 61

    Troubleshooting 4-34 samsung electronics 4-3-19 e463 : olp protection control caused comp. Down outdoor unit display e463 criteria t0-14&/403ufnqbcpwf5sjq@%jt cause of problem t4ffjguiftvcwbmwfjtpqfo t$ifdluifbnpvoupgdppmbou t$ifdluif0-1tfotps 1. How to check no no no no no yes yes yes check the amo...

  • Page 62

    Troubleshooting samsung electronics 4-35 4-3-20 e464 : o.C. (over current) error 1. Checklist : 1) is the refrigerant charged properly? 2) does the compressor rotate normally?(reverse rotation, locking etc.) 3) is connection of compressor wire normal? 4) is compressor motor normal?(insulation, coil ...

  • Page 63

    Troubleshooting 4-36 samsung electronics 4-3-21 e466: dc link over voltage/ low voltage error 1. Checklist : 1) is the power voltage normal?(lightning, power interruption etc.) 2) is ac power cable connection normal?(detaching the wire) 2. Troubleshooting procedure yes no no no no yes yes yes push t...

  • Page 64

    Troubleshooting samsung electronics 4-37 4-3-22 pipe blocking error (error code: e422) 1. Test item 1) check the open state of the outdoor unit service valve. 2) check the connection of the pipe. 3) check the operation of the eev. 4) check the refrigerant leakage. 5) check the connection of the indo...

  • Page 65

    Troubleshooting 4-38 samsung electronics 1. E465 : compressor over load error t*gbdpnqsfttpsxpsltjnqspqfsmzdibohfuifdpnqsfttpsboedifdljgjuxpsltqspqfsmz → if a compressor is normal, check the assembly between heatsink-inverter pba. If it is fine, change inverter pba. 2. E468 : current sensor error tc...

  • Page 66

    Samsung electronics 5-1 5. Pcb diagram and parts list 5-1 indoor unit 5-1-1 main pcb 1 2 5 6 8 9 3 11 12 13 14 15 16 17 18 19 20 4 7 10 no part code local function description 1 3711-003942 cn140 fuse check smw200-02p wht #1 - fuse check, #2 - gnd 2 3711-000203 cn906 bldc power yw396-03av wht #1 - n...

  • Page 67

    5-2 samsung electronics no part code local function description 14 3711-000795 cn804 vent smw250-02 blu #1 - 12v, #2 - vent out 15 3711-001036 cn808 eev smw250-06 blu #1~4 - eev signal, #5,6 - 12v 16 3711-004182 cn905 fan motor comm smw200-10p wht #1 - 12v, #2 - gnd #3 - 5v, #4 - bldc power relay si...

  • Page 68

    Pcb diagram and parts list samsung electronics 5-3 5-1-2 sub pcb diagram no part code local function description 1 3711-003381 cn301 fan motor 1wall,5p,1r,3.96mm,angle,sn,wht #1 - u, #2 - v, #3- w 2 3711-000992 cn101 hall box,5p,1r,2.5mm,angle,sn,wht #1 - 5v, #2~4 - hall, #5 - gnd 3 3711-004182 cn50...

  • Page 69

    Pcb diagram and parts list 5-4 samsung electronics 5-2 outdoor unit 20 19 18 17 16 15 13 14 12 11 10 9 8 7 6 5 1 2 3 4 no part code local function description 1 3711-003404 cn703 base-heater yw396-03av blu 2 3711-003406 cn702 4way-1 yw396-03av yel 3 3711-003407 cn701 hotgas yw396-03av red 4 3711-000...

  • Page 70

    Pcb diagram and parts list samsung electronics 5-5 ① #reactor-a2 : wht #reactor-b2 : wht ② #reactor-a2 : blk #reactor-b2 : blk ③ #1 : rxd, #2 : txd #3 : gnd, #4 : dc 5v #5 : dc 12v, #6 : inv. Smps signal ④ #1 : rxd̲ataro, #2 : txd̲ataro #3, #8 : n.C, #4~#7 : data signal #9 : gnd, #10 : dc 5v ⑤ for s...

  • Page 71

    Pcb diagram and parts list 5-6 samsung electronics ① l1 : brn ② n1 : sky-blu ③ #1-#3 : ac 220~240v l1-ac power l phase n1-ac power n phase cn01-ac power 3 1 2 5-2-3 emi pcb.

  • Page 72: 6. Wiring Diagram

    Samsung electronics 6-1 6. Wiring diagram 6-1 indoor unit this document can not be used without samsung’s authorization..

  • Page 73

    6-2 samsung electronics 6-2 outdoor unit Ŷ ac100jxadeh, ac120jxadeh, ac140jxadeh this document can not be used without samsung’s authorization..

  • Page 74

    Samsung electronics 6-3 outdoor unit Ŷ ac100jxadgh,ac120jxadgh,ac140jxadgh this document can not be used without samsung’s authorization..

  • Page 75: 7. Reference Sheet

    Samsung electronics 7-1 model code 7. Reference sheet 7-1 index for model name 7-1-1 indoor unit ※ "/" can be removed from the buyer card if there are not enough digits. Product type am dvm aj pma ac cac (usd) / asd ae ehs an vtl ak pak (packaged system) ag chr feature s general set (nasa) n indoor ...

  • Page 76

    Reference sheet 7-2 samsung electronics model code 7-1-2 outdoor unit ※ ★ mcd: dummy mock-up model ※ “/” can be removed from the buyer card if there are not enough digits. Product type am dvm aj pma ac cac (usd) / asd ae ehs an vtl ak pak (packaged system) ag chr feature s general set (nasa) n indoo...

  • Page 77

    Reference sheet samsung electronics 7-3 ■ condenser high temperature and high pressure gas state coolant discharged from the compressor is converted to a liquid state as it is cooled down by the heat emission in the outdoor condenser unit, and sent to the evaporator. ■ compressor low temperature and...

  • Page 78

    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. January. 2015. Printed in korea. Code no. Ac-00097e_1 gspn (global service partner network) area web s...