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Samsung AC036KNPDEC Service Manual

Manual is about: FLOOR STAND TYPE AIR CONDITIONER

Summary of AC036KNPDEC

  • Page 1

    Air conditioner contents floor stand type air conditioner basic : af55jv1maee c c p q x k 8 4 0 c a / c c p p n k 8 4 0 c a : l e d o m ac036knppcc / ac036kxqpcc ac140knpdeh / ac140kxadgh ac100knpdeh / ac100kxadeh ac048knpdec / ac048kxadgc ac036knpdec / ac036kxadec model code : ac048knppcc/mg ac048k...

  • Page 2: Contents

    Contents 1. Precautions ······································································································································· 1-1 1-1 precautions for the service ········································································································...

  • Page 3: Contents

    Contents 4-3-10 e461: compressor start error e467: compressor wire missing error ·························································································· 4-17 4-3-11 e462 : current protection control causes comp. Down e484 : pfc overload error ······································...

  • Page 4: 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 repair the disconnection of harness securely when repairing the break down. – if there is...

  • Page 5: 2. Product Specifications

    Product specifications samsung electronics 2-1 2. Product specifications 2-1 the feature of product 2-1-1 features o strong turbo/convenient long-distance operation quicker and more consistent air cooling/warming is guaranteed by turbo operation that provides strong cooling/warming for 30 minutes or...

  • Page 6

    Product specifications 2-2 samsung electronics changed part changed item and feature basic after changed indoor unit wi-fi function added. Outdoor unit (ac048kxqpcc ac036kxqpcc ac140kxadgh ac048kxadgc) inverter controller changed. Outdoor unit (ac100kxadeh ac036kxadec) - - 2-1-2 changes in compariso...

  • Page 7

    2-3 samsung electronics product specifications samsung electronics 2-4 item development model basic model ac048knppcc ac048kxqpcc ac036knppcc ac036kxqpcc ac140knpdeh ac140kxapgh ac100knpdeh ac100kxapeh ac048knpdec ac048kxapgc ac036knpdec ac036kxapec af55jv1maeen af55jv1maeex design indoor unit outdo...

  • Page 8

    2-5 samsung electronics 2-3-1 filter 2-3-2 accessory 2-3 accessory and option specifications item descriptions code-no. Remark air filter db63-02928b basic/ water washing item descriptions code-no. Q'ty remark manual (ac048/036knppcc) db68-04872a 1 indoor unit manual (ac140/100knpdeh) db68-06271a db...

  • Page 9

    Product specifications samsung electronics 2-6 item descriptions code-no. Q'ty remark insulation (ac140/100kn*) db72-50300c 1 indoor unit holder top db61-40042b 1 screw (l14) 6002-000538 4 screw (l12) 6002-000231 4 rubber leg db73-20134a 4 outdoor unit drain plug db67-00806a 1 cap drain db63-10355c ...

  • Page 10

    Samsung electronics 3-1 item remark +screw driver monkey spanner qnecessary tools 3. Disassembly and reassembly.

  • Page 11

    3-2 samsung electronics no parts procedure remark 1 indoor unit 1) stop the operation of the air conditioner and disconnect the main power supply. 2 ass'y inlet part 1) open the ass'y inlet and remove the safety clips. 3 ass'y cover control 1) loosen one fixing screw of ass'y cover control. (use +sc...

  • Page 12

    Disassembly and reassembly samsung electronics 3-3 no parts procedure remark 3) detach the connectors connected to panel-outlet and the motor connector. Motor-in panel horizontal blade vertical blade 4 ass'y panel-outlet 1) loosen the 7 fixing screws of ass'y panel-outlet and detach the panel outlet...

  • Page 13

    Disassembly and reassembly 3-4 samsung electronics no parts procedure remark 5 ass’y eva 1) loosen the 2 fixing screws of cover eva top and detach the top. 2) loosen the 4 fixing screws of eva. 3) loosen the grounding screw. 4) pull out the sensor cable. 5) pull out the bracket pipe upward. 6) pull ...

  • Page 14

    Disassembly and reassembly samsung electronics 3-5 no parts procedure remark 7 ass’y blower 1) loosen the 1 fixing screw of guard fan. (use +screw driver) 2) push the guard fan in the arrow direction and detach the guard. 3) loosen the blower nut clockwise and pull the blower toward you and detach i...

  • Page 15

    Disassembly and reassembly 3-6 samsung electronics no parts procedure remark 8 ass’y motor blower 1) loosen the 5 fixing screws of ass'y duct case and detach the case. (use +screw driver) 2) loosen the 3 fixing screws of motor and ground fixing screw. (use a monkey spanner.) (remove the connectors b...

  • Page 16

    Disassembly and reassembly samsung electronics 3-7 no parts procedure remark 10 ass'y panel-outlet 1) panel-outlet 2) as you push the 2 hooks on each side of panel outward, detach the bottom part of partition by lifting it toward you. 3) detach the wire positioned with holder wire. 4) detach the wir...

  • Page 17

    Disassembly and reassembly 3-8 samsung electronics no parts procedure remark 11 ass'y panel-outlet - seperate display pba 1) loosen the 2 fixing screws of case display pba and detach the case. (use +screw driver) 2) unlink the fixing hook placed in the middle of case display pba. 3) loosen the 2 fix...

  • Page 18

    Disassembly and reassembly samsung electronics 3-9 no parts procedure remark 12 ass'y panel-outlet - motor step 1) loosen the 8 fixing screws of holder blade and detach the holder. (use +screw driver) 2) loosen the 2 fixing screws of step motor and detach the motor. (use +screw driver) 3) the detach...

  • Page 19

    3-10 samsung electronics 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 top 1) unscrew and remove 9 screws on each side of the cabinet-top. (use +s...

  • Page 20

    Disassembly and reassembly samsung electronics 3-11 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 21

    Disassembly and reassembly 3-12 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 22

    Disassembly and reassembly samsung electronics 3-13 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 23: 4. Troubleshooting

    Samsung electronics 4-1 4. Troubleshooting 4-1 indoor display error and check method 4-1-1 indoor unit led display at error detecting - thins to check before diagnosis display explanation check list product operation diagnosis method indoor fan outdoor fan comp indoor and outdoor unit communication ...

  • Page 24

    Troubleshooting 4-2 samsung electronics 4-2 outdoor trouble shooting the table below give indication about self diagnostic routine. Some of error code requires activities exclusively for authorized service center. Outdoor unit if an error occurs during the operation, it is displayed on the outdoor u...

  • Page 25

    Troubleshooting samsung electronics 4-3 no. Error code meaning remarks 29 e396 dc voltage sensor error of fan2 fan2 error 30 e399 heat sink temperature sensor error of fan2 fan2 error 31 e403 compressor down due to freeze protection control check outdoor cond. 32 e404 system stop due to overload pro...

  • Page 26

    Troubleshooting 4-4 samsung electronics no. Error code meaning remarks 63 e487 hall ic connection error of fan1 fan1 error 64 e489 v-limit error on fan1 of compressor fan1 error 65 e491 error due to dataflash of fan1 fan1 error 66 e493 output current sensor error of fan1 fan1 error 67 e496 dc voltag...

  • Page 27

    Troubleshooting samsung electronics 4-5 4-3 troubleshooting by symptoms 4-3-1 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 un...

  • Page 28

    Troubleshooting 4-6 samsung electronics 4-3-2 outdoor's service valve(clog) wire remote controller display e422 symptom clogging of outdoor's service valve failure valve clog no no yes yes is the outdoor service valve clogged? Was lacking in refrigerant? Check the normal of eva-in temp sensor. Open ...

  • Page 29

    Troubleshooting samsung electronics 4-7 4-3-3 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 the ...

  • Page 30

    Troubleshooting 4-8 samsung electronics 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 31

    Troubleshooting samsung electronics 4-9 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 volta...

  • Page 32

    Troubleshooting 4-10 samsung electronics 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 33

    Troubleshooting samsung electronics 4-11 4-3-4 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(mainļinverter...

  • Page 34

    Troubleshooting 4-12 samsung electronics 4-3-5 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 tem...

  • Page 35

    Troubleshooting samsung electronics 4-13 4-3-6 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 indoo...

  • Page 36

    Troubleshooting 4-14 samsung electronics 4-3-7 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 d...

  • Page 37

    Troubleshooting samsung electronics 4-15 4-3-8 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 t5ifdpnqsfttpsu...

  • Page 38

    Troubleshooting 4-16 samsung electronics 4-3-9 outdoor unit bldc fan1 or fan2 error (e458 : fan1 error, e475 : fan2 error) 1. Checklist : 1) isn’t the fan locked? 2) is the sensor placed correctly? 3) does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) is...

  • Page 39

    Troubleshooting samsung electronics 4-17 4-3-10 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 40

    Troubleshooting 4-18 samsung electronics 4-3-11 e462 : current protection control causes comp. Down e484 : pfc overload error no no yes finished inspections outdoor unit display e462,e484 criteria t5ifpvueppsnbdijofjoqvudvssfoubcpwf*@5sjq cause of problem t$ifdluifdpnqsfttpsjoqvuwpmubhffsspsgpsmpxwp...

  • Page 41

    Troubleshooting samsung electronics 4-19 4-3-12 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 42

    Troubleshooting 4-20 samsung electronics 4-3-13 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 43

    Troubleshooting samsung electronics 4-21 4-3-14 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 44

    Troubleshooting 4-22 samsung electronics 4-3-15 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 45

    Troubleshooting samsung electronics 4-23 4-3-16 the others 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 : curre...

  • Page 46

    Troubleshooting 4-24 samsung electronics 4-3-17 setting an indoor unit installation option 䯴 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 be addit...

  • Page 47: 5. Pcb Diagram

    Samsung electronics 5-1 5. Pcb diagram 5-1 indoor unit 5-1-1 main pcb ▶ this document can not be used without samsung’s authorization..

  • Page 48

    Pcb diagram and parts list 5-2 samsung electronics ① #1 : detect_ov_uv #2 : inrush_ry #3 : pwr_ry #4 : zerocrossing #5 : rpm_feedback #6 : fan_pwm #7 : bldc_ps #8 : dc 5v #9 : gnd #10 : dc 12v ② #1 : - #2 : - #3 : fan low_comp #4 : fan high_fan #5 : fan turbo_4wa ③ #1 : room-th #2 : gnd #3 : eva in-...

  • Page 49

    Pcb diagram and parts list samsung electronics 5-3 5-1-2 power pcb ▶ this document can not be used without samsung’s authorization. ① cn02-main pba #1 : dc12v #2 : gnd #3 : dc5v #4 : bldc_ps #5 : fan_pwm #6 : rpm_feedback #7 : zerocross #8 : pwr_ry_12 #9 : inrush_ry_12 #10 : detect_ov/lv ② cn71-powe...

  • Page 50

    Pcb diagram and parts list 5-4 samsung electronics 5-1-3 panel pcb ▶ this document can not be used without samsung’s authorization. ① cn903-display #1 : dc 12v #2 : gnd #3 : panel_txd #4 : panel_rxd #5 : remocon_rxd #6 : dc 5v #7 : key_int ② cn31-download(micom) #1~#20 : download ③ cn01-download(tou...

  • Page 51

    Pcb diagram and parts list samsung electronics 5-5 5-2 outdoor 5-2-1 main pcb diagram.

  • Page 52

    Pcb diagram and parts list 5-6 samsung electronics #1 : l #2 : n.C #3 : n #1 : n #2 : n.C #3 : 4way v/v signal #1 : out temp #2 : gnd #3 : cond temp #4 : gnd #5 : discharge temp #6 : gnd #7 : olp temp #8 : gnd #1 ~ #20 : download #1 ~ #4 : eev signal #5,#6 : dc 12v #1 ~ #7 : eeprom #1 : comm signal ...

  • Page 53

    Pcb diagram and parts list samsung electronics 5-7 qac048kxqpcc 5-2-2 inverter pcb ① # reactor - a1 : wht # reactor - b1 : wht ② # reactor - a2 : blk # reactor - b2 : blk ③ #1 : rxd #2 : txd #3 : gnd #4 : dv5v #5 : dv12v #6 : inv, smps signal ④ #1 : rxd_inv #2 : txd_inv #3 : boot_inv #4 : tdo_inv #5...

  • Page 54

    Pcb diagram and parts list 5-8 samsung electronics qac036kxqpcc / ac100kxadeh / ac036kxadec ① #reactor -a1 : wht #reactor -b1 : wht ② #reactor -a2 : blk #reactor -b2 : blk ③ #1 : rxd #2 : txd #3 : gnd #4 : dv5v #5 : dv12v #6 : inv, smps signal ④ #1 : rxd_inv #2 : txd_inv #3 : boot_inv #4 : tdo_inv #...

  • Page 55

    Pcb diagram and parts list samsung electronics 5-9 qac140kxadgh / ac048kxadgc ① #r : ac 380~400v : wht #s : ac 380~400v : brn #t : ac 380~400v : blk ② #1-#3 : ac 220~240v ③ #1 : rxd, #2 : txd #3 : gnd, #4 : dc 5v #5 : dc 12v, #6 : inv. Smps signal ④ #1 : rxd_inv #2 : txd_inv #3 : boot_inv #4 : tdo_i...

  • Page 56

    Pcb diagram and parts list 5-10 samsung electronics qac048kxqpcc / ac036kxqpcc / ac100kxadeh / ac036kxadec 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 5-2-3 emi pcb.

  • Page 57

    Pcb diagram and parts list samsung electronics 5-11 qac140kxadgh / ac048kxadgc ① #r : ac 380~400v : wht #s : ac 380~400v : brn #t : ac 380~400v : blk ② #1-#3 : ac 220~240v rst-ac power 3phase cn100-ac power.

  • Page 58: 6. Wiring Diagram

    Wiring diagram samsung electronics 6-1 6. Wiring diagram 6-1 indoor unit.

  • Page 59

    Wiring diagram 6-2 samsung electronics 6-2 outdoor unit qac048kxqpcc / ac036kxqpcc / ac100kxadeh / ac036kxadec this document can not be used without samsung’s authorization..

  • Page 60

    Wiring diagram samsung electronics 6-3 qac140kxadgh / ac048kxadgc this document can not be used without samsung’s authorization..

  • Page 61: 7. Reference Sheet

    Samsung electronics 7-1 7. Reference sheet 7-1 index for model name model code + p + p + c + mg + / + 048 + c + ac + k + n product type code type am dvm aj pma ac cac (usd) / asd ae ehs an vtl ak pak (packaged system) ag chr product type code type e 2012 f 2013 h 2014 j 2015 k 2016 l 2017 product ty...

  • Page 62

    7-2 samsung electronics 7-2 refrigerating cycle diagram qac048kxqpcc qac036kxqpcc indoor unit heat exchanger pfe 12mm, 2x63x785, 6-1pass, fp1.5, louver fan motor bldc, sirocco, [c/h] 510/450/390 [rpm] outdoor unit heat exchanger fmc 16mm, 1r*69s*910, 2ea, fp1.4, corrugate fan motor bldc, propeller, ...

  • Page 63

    Samsung electronics 7-3 qac140kxadgh indoor unit heat exchanger pfe 12mm, 2x63x785, 6-1pass, fp1.5, louver fan motor bldc, sirocco, [c/h] 490/430/390 [rpm] outdoor unit heat exchanger f&t Φ7w, 2r*66s*950, fp1.7, louver fan motor bldc, propeller, rpm max : 800 [rpm] qac100kxadeh indoor unit heat exch...

  • Page 64

    7-4 samsung electronics qac048kxadgc indoor unit heat exchanger pfe 12mm, 2x63x785, 6-1pass, fp1.5, louver fan motor bldc, sirocco, [c/h] 490/440/390 [rpm] outdoor unit heat exchanger f&t Φ7w, 2r*66s*950, fp1.7, louver fan motor bldc, propeller, rpm max : 800 [rpm] qac036kxadgc indoor unit heat exch...

  • Page 65

    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. May. 2016. Printed in korea. Code no. Ac-00163e_1 *631*/2%$/6(59,&(3$571(51(7:25. $uhd :he6lwh (xursh&...