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Samsung JH052EAV1, Service Manual

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Samsung JH052EAV1 Service Manual Download Page 12

Samsung Electronics

2-7

Option accessories (cont.)

U

 Central controller (MCM-A202D) [Code No. : DB97-18602B]

Item

Descriptions

Code-No.

Q'TY

Remark

Central controller

DB93-03425N

1

Optional

Cable tie

DB65-10088B

2

Cable clamp

DB65-10074E

5

M4 X 16 Screw

6002-000474

7

User’s manual

DB98-33437A

1

Installation guide

DB98-33434A

1

Summary of Contents for JH052EAV1

Page 1: ...ng 5 PCB Diagram 6 Wiring Diagram 7 Schematic Diagram 8 Reference Sheet AC026FBJDEH EU AC035FBJDEH EU AC052FBJDEH EU AC026FBJDEH EU AC035FBJDEH EU AC052FBJDEH EU AC026FCADEH EU AC035FCADEH EU AC052FCADEH EU BASICMODEL JH052EAV1 RC052DHXEA MODEL AC026FBJDEH AC026FCADEH AC035FBJDEH AC035FCADEH AC052FBJDEH AC052FCADEH MODELCODE AC026FBJDEH EU AC026FCADEH EU AC035FBJDEH EU AC035FCADEH EU AC052FBJDEH E...

Page 2: ...t address MAIN RMC 4 4 4 1 4 Settinganindoorunitinstallationoption suitablefortheconditionof eachinstallationlocation 4 5 4 1 5 Changing a particular option 4 7 4 1 6 Option code for each model 4 8 4 2 Items to check before diagnostics 4 9 4 2 1 Four directions cassette type 4 9 4 2 2 Test run mode and View mode 4 11 4 2 3 ECO mode Power save 4 12 4 2 4 Troubleshooting for outdoor unit 4 13 4 2 5 ...

Page 3: ...age sensor error 4 37 4 4 13 Current sensor error Input current sensor error 4 38 4 4 14 Heatsink sensor error Heatsink over heat 4 39 4 4 15 Comp Vlimit error Comp current limit error 4 40 4 4 16 EEPROM error OTP error 4 41 4 4 17 AC zero cross signal error 4 42 4 4 18 Operation condition secession error 4 43 4 4 19 Capacity miss match error 4 44 4 4 20 Gas leak error 4 45 4 4 21 MDS Error Flow c...

Page 4: ...used by tracking or short circuit UFasten the valve caps of service valves and charging valves of outdoor unit as much as possible using adjustable wrenches UCheck the status of the components assembly after repair service The status must be the same as before the repair service 1 2 Precautions related to static electricity and PL U The PCB power supply block is susceptible to static electricity T...

Page 5: ...hock U Instruct end users to separate the batteries from the remote controllers and store them separately when the product is not used for long time Otherwise leakage from the dry cell may cause problems with the remote controller 1 4 Other precautions U The pipes should have no leaks during installation and the compressor must be stopped before removing connecting pipes for pump down work Operati...

Page 6: ...sma Ion Zone is a technology that generates activated hydrogen and oxygen ions which exterminates viruses and allergy causing microbes in the air by neutralizing them and turning into water N Special Filter Allergy Filter Deodorizing Filter and Anti bacteria Filter will make air so pure N Flexible Pipe Installation Anywhere it can be installed by 6way piping N Elegance Design Slim Design 199mm Cle...

Page 7: ...Power consumption Cooling w 810 1290 Heating w 1060 1330 Operation current Cooling A 4 6 Heating A 5 6 2 Sound Power Indoor In case of strongest air blow dBa 53 55 Outdoor In case of strongest air blow dBa 61 61 Refrigerant R410A g 950 950 Connecting Pipe Liquid Ø 1 4 1 4 Gas Ø 3 8 3 8 Additional Refrigerant R410A g m Chargeless Chargeless Standard m 5 5 Extension length Total m 20 20 Extension le...

Page 8: ...ng w 5600 Power consumption Cooling w 1780 Heating w 1920 Operation current Cooling A 8 Heating A 8 7 Sound Power Indoor In case of strongest air blow dBa 60 Outdoor In case of strongest air blow dBa 64 Refrigerant R410A g 1400 Connecting Pipe Liquid Ø 1 4 Gas Ø 1 2 Additional Refrigerant R410A g m 10 Standard m 5 Extension length Total m 30 Extension length Elevation m 20 Option Code Product Opti...

Page 9: ...er s manual DB68 03441A 1 Basic Indoor Installation manual DB68 03439A 1 Installation guide DB98 29840A 1 Insulation install out B62 05580V 1 Insulation install SVC DB62 05691C 1 Cable tie DB65 10088C 4 Wireless remote control DB93 11115N 1 Battery 4301 000121 2 Bracket hanger DB61 03708A 1 NProduct Accessories ...

Page 10: ...te controller DB93 11115N 1 Optional Batteries for remote controller specification AAA type DB47 90024A 2 Remote controller holder DB61 04899A 1 M4 16 screw 6002 000581 2 User s manual DB98 33129A 1 N Option accessories U Wireless remote controller MR DH00 Code No DB97 17546B ...

Page 11: ...e controller MWR WE10 Code No DB97 17002B Item Descriptions Code No Q TY Remark Wired remote controller DB93 11251B 1 Optional Cable tie DB65 10088B 2 Cable clamp DB65 10074E 3 M4 16 Screw 6002 000474 5 User s manual DB98 32810A 1 Installation guide DB98 32811A 1 ...

Page 12: ...controller MCM A202D Code No DB97 18602B Item Descriptions Code No Q TY Remark Central controller DB93 03425N 1 Optional Cable tie DB65 10088B 2 Cable clamp DB65 10074E 5 M4 X 16 Screw 6002 000474 7 User s manual DB98 33437A 1 Installation guide DB98 33434A 1 ...

Page 13: ...01077A Item Descriptions Code No Q TY Remark Function controller DB93 00757G 1 Optional Cable tie DB65 10088B 2 Cable clamp DB65 10074E 6 M4 16 Screw 6002 000474 7 User s manual DB98 27317A 1 Installation guide DB98 27315A 1 PC control and DMS cannot be used when using the function controller ...

Page 14: ... No Q TY Remark Relay DB93 12203A 1 Optional Relay power cable 300mm DB39 00378B 1 Relay communication cable 300mm DB39 00253B 1 Item Descriptions Code No Q TY Remark Relay DB93 03568D 1 Optional Relay sub DB93 03590B 1 Relay power cable 1 000mm DB93 07895A 1 Relay power cable 1 000mm DB93 07895B 1 Relay communication cable 100mm DB93 12164A 1 ...

Page 15: ...2 10 Samsung Electronics UFilter accessory Item Descriptions Code No Remark Dust filter DB63 02739A Basic Water wash ...

Page 16: ...Samsung Electronics 3 1 Item Remarks SCREW DRIVER Adjustable Wrench 8mm 10mm 13mm M6 M8 Hex Wrench N Necessary Tools 3 Disassembly and Reassembly ...

Page 17: ...it No Parts Procedure Remark 1 Cabi Parts 1 Open the Panel Front ͽ Remove the Clip Wire 2 Release 4 screws on the Body Front Ϳ 3 Open the Body Front Ϳ by pulling from bottom of the part ͽ Ϳ Ϳ N AC026FBJDEH EU AC035FBJDEH EU AC052FBJDEH EU ...

Page 18: ...Samsung Electronics 3 3 No Parts Procedure Remark Electrical Parts 1 Open the cover of Control Box 2 Pull the PBA out along the slide guide 3 Cut the Cable tie 4 Pull all wires out from the PBA ...

Page 19: ...ocedure Remark 5 Release the 2 screws one is top of the C Box the other is left of it 6 Release 2 Hold Wires and pull all wires out from it 3 Blowing Evap Part 1 Pull the Bracket Pipe out 2 Release 2 screws and pull Top Discharge Kit out ...

Page 20: ...ws and pull Bottom Discharge Kit out 4 Disconect the Step Motor wire from the conect wire This part is right side of the Bottom Discharge Kit 5 Pull Bottom Discharge Kit Out from the bottom of it 6 Release 3 screws and pull the Evap out from top to bottom direction Ê ...

Page 21: ...1 Release 1 screw and pull the Bell Mouth out 2 Release the Nut and pull Fan Turbo Ά out 3 Release 6 screw on the Body Back Pull the Cap VIRUS DOCTOR Έ Bracket Wire Ή and Bracket Motor Ί out 4 Pull the VIRUS DOCTOR Kit and Motor Ό out from the Body Back Ά Έ Ή Ί Ό ...

Page 22: ...loosen 1 pcs screw of cover control and detach it 2 loosen 5 pcs screws on both right and left cabniet side edges and to detach the cover top 3 Loosen 7 screwsfixed to disassemble cabi front and detach it 3 2 Outdoor unit N AC026FCADEH EU AC035FCADEH EU AC052FCADEH EU ...

Page 23: ...Samsung Electronics No Parts Procedure Remark common work 4 loosen 7 screws to disassemble the cabi right and detach it 5 loosen 2 screws to disassemble steel bar 6 loosen 3 screws to disassemble cabi left ...

Page 24: ...No Parts Procedure Remark 2 fan motor 1 loosen 1 screw as indication and detached the fan 2 loosen 4 pcs motor screws and disconnect the wire betwwen assy control out and motor 3 loosen 2 pcs bracket motor screw and detach it ...

Page 25: ... screw from cover control 2 detach several connections from assy con trol out take out assy control out 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaessembly the pipes in both inlet and outlet with welding torch 4 detach the heat exchanger ...

Page 26: ...Samsung Electronics 3 11 No Parts Procedure Remark 5 compressor 1 disconnect the compressor lead wire 2 disassembly the felt comp sound loosen the 3 bolts at the bottom of ...

Page 27: ...ause only 12 digit option setting is available Please refer to the wired remocon installation manual for setting with the wired remocon Step 1 Entering mode to set option 1 Remove batteries from the remote controller 2 Insert batteries and enter the option setting mode while pressing HighTemp button and LowTemp button 3 Check if you have entered the option setting status Step 2 The procedure of op...

Page 28: ...ue Each time you press the button will be selected in rotation 6 Setting Fan mode Press Mode button to be changed to FAN mode in the ON status 7 Setting SEG9 SEG10 option Press Low Fan button to enter SEG9 value Press High Fan button to enter SEG10 value Each time you press the button will be selected in rotation 8 Setting Heat mode Press Mode button to be changed to HEAT mode in the ON status 9 S...

Page 29: ...e you press the button will be selected in rotation 18 Setting Heat mode Press Mode button to be change to HEAT mode in the OFF status 19 Setting SEG23 SEG24 mode Press Low Fan button to enter SEG23 value Press High Fan button to enter SEG24 value Each time you press the button will be selected in rotation SEG16 SEG18 SEG21 SEG23 SEG17 SEG20 SEG22 SEG24 Step 4 Input option Press operation button w...

Page 30: ...ng will be maintained 4 1 3 Setting an indoor unit address MAIN RMC t 8IFO i w_w w JT FOUFSFE UP 4 _ UIF JOEPPS VOJU 3 44 JT OPU DIBOHFE t G ZPV TFU UIF 4 BT UIF JOEPPS VOJU XJMM NBJOUBJO UIF QSFWJPVT 3 44 FWFO JG ZPV JOQVU UIF PQUJPO WBMVF PG 4 t G ZPV TFU UIF 4 BT UIF JOEPPS VOJU XJMM NBJOUBJO QSFWJPVT 3 3 44 FWFO JG ZPV JOQVU UIF PQUJPO WBMVF PG 4 _ Option No 0AXXXX 1XXXXX 2XXXXX 3XXXXX Option ...

Page 31: ...onditionofeachinstallationlocation Option No 02XXXX 1XXXXX 2XXXXX 3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE RESERVED Useofexternal temperaturesensor Use of central control RPM setting compensation Indication and Details Indication Details Indication Details Indication Details Indication Details 0 Notused 1 Highceilingmode 2 Highceilingkit 3 Lownoiseoperationmode 0 2 0 Disus...

Page 32: ...5 PremiumMode AutoSetOFF30 Min 6 PremiumMode AutoSetOFF60Min 7 PremiumMode Auto SetOFF120Min 8 PremiumMode Auto SetOFF180Min 2 Indoor 2 3 Indoor 3 4 Indoor 4 X If you input a number other than 0 4 on the individual control of the indoor unit SEG 20 the indoor is set as Indoor 1 Example If you want to set as Exterior temperature sensor USE External control USE Number of hours using filer 2000hr SEG...

Page 33: ... Details Indication Details 0 D Option mode 0 F Tens digit ofSEG 0 9 Unitdigit ofSEG 0 9 The changed value 0 F t 8IFO DIBOHJOH B EJHJU PG BO JOEPPS VOJU BEESFTT TFUUJOH PQUJPO TFU UIF 4 BT A t 8IFO DIBOHJOH B EJHJU PG JOEPPS VOJU JOTUBMMBUJPO PQUJPO TFU UIF 4 BT A Ex When setting the buzzer control into disuse status Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE The option mode you wa...

Page 34: ...Samsung Electronics 4 8 4 1 6 Option code for each model Model OPTION CODE ACN26FBJDEH 018077 1760B6 271A23 370210 ACN35FBJDEH 018077 1760D8 272328 370210 ACN52FBJDEH 018077 1760F9 273438 370210 ...

Page 35: ...time out 2 Abnormal data reception more than 60 packet 3 Indoor unit is not connected 4 Communication error between the outdoor unit Main Inverter Micom After 1 minute of Main Inverter detection X X X 1 Indoor unit error Display is unrelated with operation 2 Outdoor unit error Display is unrelated with operation U If an error occurs during the operation one or more LED flickers and the operation i...

Page 36: ...ak error Inverter DC Link voltage 150V or less 410V or more Inverter Compressor rotation error Inverter Electric current error Inverter DC Link sensor error Inverter EEPROM READ WRITE error Inverter Inverter zerocrossing error Setting the outdoor unit capacity option error X X X Detection of the float switch X X X Error of setting option switches for optional accessories X X X EEPROM error X X EEP...

Page 37: ...hree digits Two digits One digit Hz 3 Number of indoor heat exchangers 3 Three digits Two digits One digit Hz 4 Out sensor 4 Two digits One digit First decimal C 5 Discharge sensor 5 Two digits One digit First decimal C 6 OLP sensor 6 Two digits One digit First decimal C 7 Cond sensor 7 Two digits One digit First decimal C 8 Current 8 Two digits One digit First decimal C 9 Fan RPM 9 Three digits T...

Page 38: ...sung Electronics 4 12 4 2 3 ECO mode Power save Mode Display ECO mode lamp Segment 1 Segment 2 Segment 3 Segment 4 RED color ECO mode i w i w i w i w On Exit ECO mode Press K3 to exit Off ECO mode lamp RED ...

Page 39: ...start 10 E416 Discharge temperature of a compressor in an outdoor unit is overheated 11 E440 Heating operation is not available since the outdoor air tempera ture is over 30 C Heating E441 Cooling operation is not available since the outdoor air tempera ture is lower than 5 C Cooling 12 E458 Outdoor unit BLDC Fan 1 or Fan 2 error FAN1 error E475 FAN2 error 13 E461 Comp Starting error 14 E462 Prima...

Page 40: ...unication error 1 min Check the communication connection between indoor and outdoor units Check the power line and communication cable connection status Operation Off Communication error Communication error between indoor outdoor INVlMAIN MICOM 1 min Check MAIN MICOM Check INVERTER MICOM Communication error Outdoor temperature sensor error Check sensor connection status Check sensor location Check...

Page 41: ... Outdoor unit protection control error AC ZERO CROSSING SIGNAL OUT error Check the input power status Operation Off Outdoor unit protection control error Compressor LOCK error Check the compressor connection status Check the resistance between difference phases of the compressor Operation Off Outdoor unit protection control error Outdoor fan 2 error Check the input power connection status Check th...

Page 42: ...resistance value deviate from the temp table beside Yes Is indoor temp sensor connector disconnected Resume operation after replacing PCB Resume operation after connecting to the connector PCB Indoor temp sensor self defect replacement Disconnect the PCB from the connector of the internal temp sensor and then measure the resistance between the two terminals ex Room temperature 26 C resistance 09 2...

Page 43: ...te from the temperature table beside Yes Is indoor Heat Exchange temp sensor connector disconnected Resume operation after replacing PCB Resume operation after connecting to the connector PCB Indoor Heat Exchange temp sensor self defect replacement Disconnect the PCB from the connector of the internal temp sensor and then measure the resistance between the two terminals ex Room temperature 24 C re...

Page 44: ... excessive high speed Cause of problem Check for motor connector disconnect check motor fan fastening Yes No No Is there any clogging binding of foreign substances in the MotorFan Yes Is Motor connector disconnected from the PCB Resume operation after replacing PCB Resume operation after connecting to the connector PCB Resume operation after removing the foreign substances ...

Page 45: ...king out the communication line At this time the voltage between lines is a square wave that is above DC 0 7V as shown in the picture below 0 7V 0 7V After removing the communication line that links outdoor to indoor units measure 2 lines of the outdoor unit with scope After reconnecting the communication line that links outdoor and indoor units remove communication connector in the indoor PCB If ...

Page 46: ... operation after repairing it according to P8 2 circuit diagram s EEPROM part P6 6 10 component list If problem occurs during re operation replace PCB 4 3 5 EEPROM circuit part defect Indoor unit display Operation X Defrost Reservation Fan X Filter Criteria EEPROM circuit part defect Cause of problem EEPROM component defect necessary component missing in EEPROM circuit part damage soldering ...

Page 47: ...n counter after connecting to the connector PCB Indoor unit display VIRUS DOCTOR X Fan X Reservation X Defrost X Operation Criteria VIRUS DOCTOR non operation Cause of problem Check for VIRUS DOCTOR connector disconnect LOn Flickering X Off THE NUMBER OF MEASURED ION IS MORE THAN 100 000 Change the VIRUS DOCTOR Kit it s out of the work Normal operation Yes VIRUS DOCTOR Kit Tester ITC201A ...

Page 48: ...ler connected correctly 2 Check procedure Yes Turn off the main power switch circuit break of power outlet and turn on again after 30 seconds Check the input power No Is the outdoor unit power supply L N 220V Yes Check the connection of the terminal block No Is the outdoor unit power voltage L N 220V Yes Replace the inverter PBA No Is the voltage between the terminal 2 and 4 of the bridge diode 22...

Page 49: ...4 22 Samsung Electronics Yes Outdoor unit is not powered on Initial diagnosis cont Yes Connect the reactor No Is the reactor connector connected correctly Replace the PBA Cont ...

Page 50: ...tart after power off Terminate the service Exchange the indoor unit PBA No Is the communication error occurred again Yes Correct the wrong cable No Is the connection of power cable and communication cable normal Yes Exchange the PBA of no power unit No Is the power is normal check the LED Lamp Yes Yes Terminate the service No Is the communication error occurred again Exchange the outdoor unit PBA ...

Page 51: ...oubleshooting procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 1 2 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the PBA of no power unit Yes B...

Page 52: ...ture of 25 C Is the sensor connector CN502 connected correctly in accordance with a colorRED 4PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the PBA of no Ourdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 1 2 in the connector Exchange the Outdoor PBA Yes ...

Page 53: ...procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 5 6 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V ...

Page 54: ...emperature of 25 25 C Is the sensor connector CN501 connected correctly in accordance with a colorRED 4PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 3 4 in the connector Exchange the Outdoor PBA Yes ...

Page 55: ...oting procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 3 4 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 242kohm 30 C 166ohm 35 C 138ohm 40 C 115kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Y...

Page 56: ...m error or connector check No Is the sensor resistance value 3 4 CN501 10kohm 3 at the room temperature of 25 25 C Is the sensor connector CN502 connected correctly in accordance with a colorRED 4PIN No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 3 4 in the connector Exchange the Outdoor PBA Yes ...

Page 57: ...e the Outdoor PBA Download the EEPROM data No Is the discharge over temperature sensor error appeared again Terminate the service No No Terminate the service Is the discharge over temperature sensor error appeared again Is the discharge over temperature sensor error appeared again The condition is too poor for air conditioner to operate Wait until discharge temperature is decreased Restart after p...

Page 58: ...d Separate the Fan motor wire from CN901 on Outdoor PBA PBA problem or Motor problem Change the PBA first and check the operation No Yes Does the fan rotate Terminate the service Exchange the Fan motor No No No Follow the check procedure of outdoor unit power supply error check Exchange the Outdoor PBA Is the fan error appeared again Is there short among each pin 1 6 Is the voltage of CN901 3 5 an...

Page 59: ...pressor normal 2 Troubleshooting procedure Terminate the service Download the EEPROM data No Is the restart error occurred again Is the connection of compressor wire is normal Connect the comp wire normally No No No Yes Terminate the service Exchange the Outdoor PBA Is the restart error occurred again Is the compressor body and interphase resistance insulated Exchanged the Compressor Restart after...

Page 60: ...tance of compressor normal 2 Troubleshooting procedure Terminate the service No Is the restart error occurred again Is the connection of compressor wire is normal PBA and Compressor Connect the comp wire normally No No No Yes Terminate the service Exchange the Outdoor PBA Is the restart error occurred again Is the compressor body and interphase resistance insulated Exchanged the Compressor Restart...

Page 61: ... error occurred Is the connection of compressor wire is normal No No Yes No No No No No Yes Exchange the Outdoor PBA Correct the sensor position or exchange the sensor Is the O C error occurred again Terminate the service Restart after returning to the normal load Terminate the service Connect the comp wire normally Terminate the service Is the restart error occurred again Is the condition of indo...

Page 62: ...04 R005 R006 R007 value is normal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the DC_link voltage CE101 or CE001 is normal in operation mode Normal range 280Vdc 320Vdc Check the power input No No No No Exchange the Outdoor PBA Exchange the Outdoor PBA IstheDC_linksensingvoltage R104orR004 isnormalin operationmode Normalrange 0...

Page 63: ...ormal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the the input voltage is nomal Normal range 180Vac 270Vac Is the reactor insulation damaged Check the input power in the powercord No No No No Check the input power Exchange the Outdoor PBA Exchange the Outdoor PBA Is theDC_linkvoltage CE101orCE001 isnormalinoperation mode Norm...

Page 64: ...error 4 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restart after returning to the normal load No Yes Is the condition of indoor outdoor temperature normal load Is the I_trip error occurred again Terminate the service No No No No Correct the sensor position or exchange the sensor Correct the cable connection Isthepositionoftemperaturesensorandthesensingvalue norma...

Page 65: ...the IPM Shunt PF2 R451 R452 R453 PF23 R413 R414 R415 resistance value correct Check the resistor is opened 3 Is there no short or open around IC451 PF2 or IC451 IC452 PF3 2 Troubleshooting procedure Exchange the Outdoor PBA No Is the PFC shunt and IPM shunt resistance value correct No Terminate the service Isthecurrentsensorerrorappearedagain Exchange the Outdoor PBA Restart after power off Yes Ye...

Page 66: ...2 Is the gap PBA heatsink 3 Is the fan operation normal 4 Is the cover assembly in conrol box normal 2 Troubleshooting procedure Fastening the screw No Are there screws in PBA heatsink 4 screws No Check the fan connection Change the Fan motor Is the fan operation normal Exchange the Outdoor PBA Restart after power off Yes Yes Yes ...

Page 67: ...rminate the service Exchange the Outdoor PBA No No Yes IIs the O C error occurred Is the O C error occurred again Terminate the service No No No No No No Connect the comp wire normally Terminate the service Correct the sensor position or exchange the sensor Restart after returning to the normal load Is the connection of compressor wire is normal Is the O C error occurred again Is the condition of ...

Page 68: ...ere a short around IC202 PF2 or IC701 PF3 3 Did you download or insert EEPROM IC after changing outdoor PBA 2 Troubleshooting procedure Terminate the service No Restart after power off Is the error appeared again Exchange the Outdoor PBA power off and download EEPROM data or Insert the service EEPROM IC Yes ...

Page 69: ...ist 1 Check the power condition at customer s house Is there any power noise 2 Have been there power failure 2 Troubleshooting procedure Terminate the service No Is the AC line zero cross signal error appeared again Exchange the Outdoor PBA Restart after power off Yes ...

Page 70: ...2 Troubleshooting procedure Terminate the service No Is the operation condition secession error appeared again Heating mode Is the outdoor temperature over 40 C or under 30 C Cooling mode Is the outdoor temperature under C Thetemperatureconditionistoopoortooperate Wait until temperature is changed Restart after power off Yes Yes ...

Page 71: ...rocedure Exchange the one of them according to the exact model spec Terminate the service Terminate the service No No No Is the capacity miss match error appeared again Is the capacity miss match error appeared again Is the rated Btu between indoor unit and outdoor unit Download the EEPROM data Exchange the Outdoor PBA Exchange the Indoor PBA Reset the option code again at indoor unit Yes Yes Yes ...

Page 72: ...heck the pipe crack Fill up the refrigerant No No Is the position of indoor eva_in sensor normal No No No Terminate the service Change the EEV valve Connect the EEV valve Is the gas leak error appeared again Is the EEV valve connection normal Is the EEV valve is operation Check the sound of EEV valve after power on Is the pressure of refrigerant normal Exchange the Indoor PBA Exchange the Outdoor ...

Page 73: ...message pop up Set seg23 to 1 8 digit Replace wire of MDS Connect wire of MDS Replace MDS Kit Replace Main PBA Start End Yes Yes Yes Yes Yes UMDS Function only can be set in wired remote controller or central controller UError Message Error message will be appeared after 3minutes 8JSFE SFNPUF DPOUSPMMFS i w NFTTBHF JT QPQ VQ Display Panel Operation filter LED is blinking at the same time after ind...

Page 74: ...et DC 5V 7 TOUCH S W Out DC 5V 8 REMOCON SIGNAL Receive 9 GND 10 VCC DC 5V Σ 1 DC 12V 2 5 Control SIGNAL Τ 1 Communication Signal F1 2 Communication Signal F2 Υ 1 DC 12V 2 5 Communication Signal 1 Communication Signal F1 2 Communication Signal F2 For Developer Not for field 7pin Downloader For Developer Not for field 10pin Downloader CN70 GND CN82 DAMPERMOTOR CN100 AC Power Inpu CN31 COM1Communica...

Page 75: ...CB DC connecting connector Η 1 2 3 4 5 DISPLAY LED Control 6 TOUCH S W Reset DC 5V 7 TOUCH S W Out DC 5V 8 REMOCON SIGNAL Receive 9 GND 10 VCC DC 5V CN01 PANEL DISPLAY 5 1 3 DAMPER PBA DC connecting connector Η 1 DC 5V 2 GND CN01 DAMPER S W ...

Page 76: ... THERMISTOR CONNECTOR S NET CONNECTOR EEV A CONNECTOR OUT DIS COND CONNECTOR DOWNLOAD MAIN CONNECTOR CENTRAL CTL CONNECTOR BLDC FAN CONNECTOR DOWNLOAD INV CONNECTOR COMP CONNECTOR REACTOR CONNECTOR YAW396 03AV WHT SMW200 28C WHT SMW250 02 RED SMAW250 02 WHT SMW200 28C WHT SMAW250 06 RED SMW250 06 BLU SMAW200 10P BLK SMW200 05P WHT YW396 06V WHT SMAW200 10P RED DBT061 3P WHT DBT081 2P WHT ...

Page 77: ...5 4 EVAP THERMISTOR CONNECTOR SMW250 08 WHT EEV B CONNECTOR SMW250 05 YEL DISPLAY MAIN CONNECTOR SMW200 28 WHT 12V POWER CONNECTOR YW396 02AV BLU 4 3 2 1 Outdoor Unit PCB cont N Sub PCB AC026FCADEH AC035FCADEH AC052FCADEH ...

Page 78: ...6 1 Samsung Electronics 6 Wiring Diagram 6 1 Indoor Unit This Document can not be used without Samsung s authorization N Indoort door Unit AC026FBJDEH EU AC035FBJDEH EU AC052FBJDEH EU ...

Page 79: ...Samsung Electronics 6 2 N Outdoor Unit AC026FCADEH EU AC035FCADEH EU AC052FCADEH EU 6 2 Outdoor Unit This Document can not be used without Samsung s authorization ...

Page 80: ...ematic Diagram 7 1 Indoor Unit 7 1 1 MAIN PCB This Document can not be used without Samsung s authorization BLDC CONTROL Part MPI Part SENSOR Part E485 COMMUNICATION Part DOWNLOAD Part DAMPER Part DISPLAY Part ADDRESS CONTROL Part ...

Page 81: ...Operating Instructions and Installation 7 2 Samsung Electronics 7 1 2 Damper This Document can not be used without Samsung s authorization ...

Page 82: ...Samsung Electronics 7 3 This Document can not be used without Samsung s authorization 7 1 3 PCB Display ...

Page 83: ...7 2 Out Unit 7 2 1 MAIN PCB AC026FCADEH AC035FCADEH AC052FCADEH Samsung Electronics 7 4 This Document can not be used without Samsung s authorization ...

Page 84: ...OUTDOOR UNIT PCB 7 2 2 SUB PCB AC026FCADEH AC035FCADEH AC052FCADEH Samsung Electronics 7 5 This Document can not be used without Samsung s authorization ...

Page 85: ... Tropical Temp F Inv Top Tropical Temp B Non Inv Side General Temp N Non Inv Side Low Temp R Non Inv Side Tropical Temp Z Non Inv Top Tropical Temp ProductType Indoor Code Type F FLAGSHIP P PREMIUM D DELUXE S STANDARD ProductType Outdoor Code Type A STANDARD GENERAL Temp MODULE B STANDARD LOW Temp MODULE C STANDARD TROPICAL MODULE D STANDARD GENERAL Temp NON MODULE Capacity 3 DIGIT KW BTU Liter Ra...

Page 86: ... liquid to gas Absorbing heat required for evaporation N SERVICE VALVE You can open the valve by turning the need valve counterclockwise using hex wrench and it is used for vacuum gas purging coolant injection coolant purging and indoor outdoor unit connection N ACCUMULATOR Accumulator prevents the flow of liquid state coolant into the compressor Liquid state coolant flowing into the compressor wi...

Page 87: ...0 0 20 10 0 10 20 30 40 50 32 2 3 27 1 32 23 27 19 21 15 Outdoor Temp C WaitingMode Pressure kgf cm G 3 Waiting Mode 32 23 27 19 21 15 50 18 5 16 7 15 9 35 15 7 14 7 13 4 20 15 2 14 3 13 6 7 9 1 9 1 9 1 5 5 6 5 6 5 6 20 3 0 3 0 3 0 Indoor C Outdoor C 15 0 20 0 25 0 30 0 35 0 20 10 0 10 20 32 2 3 27 1 28 18 27 19 20 15 Outdoor Temp C Heating Pressure kgf cm G 3 Heating 28 18 27 19 20 15 20 34 3 34 ...

Page 88: ...punished under applicable International and or domestic law Samsung Electronics Co Ltd Sep 2012 Printed in China Code No DB68 03444A GSPN address Eurpoe CIS Mideast africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com ...

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