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Model reference

Samsung AVMKH032CA1

Air Conditioner

5 documents167 error codes3 service modes

Available documentation

Service Manual

  • LG Samsung AVMKH032CA1 Service manual 20060912073634062 Troubleshooting118 pg
    Covers this model
  • LG Samsung AVMKH032CA1 Service Manual - Disassembly and Reassembly78 pg
    Covers this model
  • Set up the Model Option - Service Manual8 pg
    Covers this model

Wiring Diagram

  • LG Samsung AVMKH032CA1 Service Manual Schematic Diagram14 pg
    Covers this model

Quick Reference

  • Reference Information12 pg
    Covers this model
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Error codes (167)

CodeMeaning
AxBreakaway of xth indoor unit EVAP IN sensor (x = indoor unit address).BxBreakaway of xth indoor unit EVAP OUT sensor (x = indoor unit address).ChCompressor preheating in progress via crank case heater (CCH), not an error…CxBreakaway of indoor unit EVAP IN sensor (Specification 1 display variant, x =…DxElectronic expansion valve close error on xth indoor unit.E1Error of momentary power failureE101Communication error between the indoor unit and the panel (PAC).E102Indoor unit room temperature sensor OPEN/SHORT error.E103Indoor unit EVAP IN sensor OPEN/SHORT error.E104Indoor unit EVAP OUT sensor OPEN/SHORT error.E105Indoor unit EVAP IN sensor breakaway.E106Indoor unit EVAP OUT sensor breakaway.E107Simultaneous breakaway of indoor unit EVAP IN/OUT sensor.E108Auxiliary (electric) heater sensor 1 error.E109Auxiliary (electric) heater sensor 2 error.E110Auxiliary (electric) heater sensor 3 error.E111Shutter sensor error.E112Perfect fan sensor error.E113MCU temperature sensor OPEN/SHORT error.E151Indoor unit EEV open failure.E152Indoor unit EEV close failure.E153Indoor unit float switch detection error.E154Indoor fan error.E155Mixed operation error (operating heat and cool mode at same time).E156EEPROM error.E157Option setting error.E158Electric heater discharge temperature protect error.E159No fan error related to the electric heater.E160S/W setup error in peripheral control device using option.E161The 1st MCU SOL V/V cooling/heating opening at the same time.
View all 167 error codes
E162The 2nd MCU SOL V/V cooling/heating opening at the same time.E163The 2nd MCU SOL V/V error.E170No change of EVAP IN temperature during piping check.E171No change of EVAP OUT temperature during piping check.E172Change of EVAP IN temperature of other indoor unit during piping check.E173Change of EVAP OUT temperature of other indoor unit during piping check.E2Tracking errorE201Installed indoor unit number setting error on outdoor unit.E202Communication error between indoor and outdoor unit.E203Outdoor PCB MICOM communication error between main and sub.E204Communication error between the outdoor unit and MCU.E205Indoor unit connected with confluence kit without continuity.E206Indoor unit connected with confluence kit and setting address was overlapped…E207MCU address does not match with indoor unit address.E208Installed MCU quantity setup error in the outdoor PCB or MCU address setting…E209Rotary switch for indoor unit address in MCU was overlapped among MCUs.E210DIP switch for indoor unit setting was ON position even though indoor unit was…E211DIP switch for indoor unit setting was OFF position even though indoor unit was…E262Breakaway of fixed compressor 1 discharge sensor (difference between digital…E263Breakaway of fixed compressor 2 discharge sensor (difference between digital…E264Breakaway of fixed compressor 3 discharge sensor (difference between digital…E3Communication error after completion of trackingE4Indoor unit float switch errorE401Outdoor temperature (OUT-TEMP) sensor OPEN/SHORT error.E402Outdoor temperature sensor breakaway.E403COND-OUT MAIN temperature sensor OPEN/SHORT error.E404COND-OUT SUB 1 temperature sensor OPEN/SHORT error.E405COND-MID sensor breakaway of outdoor unit.E406COND-OUT 1 sensor breakaway.E407PWM discharge temperature sensor OPEN/SHORT error. Detected when outdoor temp…E408Fixed capacity compressor 1 discharge sensor OPEN/SHORT errorE409Fixed capacity compressor 2 discharge sensor OPEN/SHORT error. Detected when…E410Fixed capacity compressor 3 discharge sensor OPEN/SHORT error. Detected when…E411Digital discharge sensor breakaway.E412Fixed 1 discharge sensor breakaway.E413Fixed 2 discharge sensor breakaway.E414Fixed 3 discharge sensor breakaway.E415Sump-main sensor breakaway error.E416Sump Sub 1 sensor breakaway error.E417Sump Sub 2 sensor breakaway error.E418Sump Sub 3 sensor breakaway error.E419Suction sensor breakaway error.E420SUMP TEMP DIGITAL sensor OPEN/SHORT error. Detected when outdoor temp over…E421SUMP TEMP FIXED 1 sensor OPEN/SHORT error. Detected when outdoor temp over…E422SUMP TEMP FIXED 2 sensor OPEN/SHORT error. Detected when outdoor temp over…E423SUMP TEMP FIXED 3 sensor OPEN/SHORT error. Detected when outdoor temp over…E424High pressure sensor OPEN/SHORT errorE425Low pressure sensor OPEN/SHORT errorE426High pressure sensor breakaway.E427Low pressure sensor breakaway.E428Suction temperature sensor OPEN/SHORT error.E429Main cooling solenoid valve open error.E4304-way valve operation error.E440COND MID temperature sensor OPEN/SHORT error (outdoor unit).E5Setting error of option switch in indoor unitE551Defrosting operation (not an error).E552Low discharge pressure (high pressure of 9 kg/cm² for 10 minutes continuous).E553Equability (oil leveling) operation between compressors (not an error).E554Loading failure of digital compressor.E555Full leakage of refrigerant from outdoor unit.E601Communication error between wired remote controller and indoor unit.E602Communication error between master wired remote controller and slave wired…E603Communication error between 7-day scheduler and wired remote controller.FxElectronic expansion valve open error on xth indoor unit.G2Total leakage of refrigerant in outdoor unit or loading failure.G3Breakaway of COND MID sensor in outdoor unit.G4Breakaway of oil temperature sensor (detected once or more times).G5Breakaway of suction temperature sensor.G6Breakaway of fixed compressor discharge sensor (detected once or more times).G7Error of fan starting in indoor unit.G8No cooling operationG9No heating operationP0System down due to high temperature of discharge sensor (discharge temperature…P1System down due to high temperature of condenser sensor (condensate temperature…P2SUMP compressor down due to condenser temperature reaching 95°C.P3System down due to low pressure switch detection (low pressure lower than 1.2…P4Reverse phase or open phase detection error on 3-phase power supply to…P5System down due to frozen heat exchanger (indoor unit heat exchanger…P501Outdoor unit freezing detection 1.P502Outdoor unit freezing detection 2.P503Outdoor unit freezing detection 3P504Outdoor unit overload 1 protection control error.P505Outdoor unit overload 2 protection control error.P506Outdoor unit overload 3 protection control error.P507Compressor down by high pressure sensor protection control 1.P508Compressor down by high pressure sensor protection control 2.P509Compressor down by high pressure sensor protection control 3.P510Compressor down by low pressure sensor protection control 1.P511Compressor down by low pressure sensor protection control 2.P512Compressor down by low pressure sensor protection control 3.P513Outdoor unit SUMP DOWN 1 protection control (SUMP temperature over 95°C for 5…P514Outdoor unit SUMP DOWN 2 protection control.P515Outdoor unit SUMP DOWN 3 protection control.P516Outdoor unit discharge temperature 1 protection control.P517Outdoor unit discharge temperature 2 protection control.P518Outdoor unit discharge temperature 3 protection control.P519Outdoor unit EEV open 1 self-diagnosis error.P520Outdoor unit EEV open 2 self-diagnosis error.P521Outdoor unit EEV open 3 self-diagnosis error.P522Outdoor unit EEV close 1 self-diagnosis error.P523Outdoor unit EEV close 2 self-diagnosis error.P524Outdoor unit EEV close 3 self-diagnosis error.P525Outdoor unit reverse phase detection 1 error.P526Outdoor unit reverse phase detection 2 error.P527Outdoor unit reverse phase detection 3 error.P528Outdoor unit compression rate 1 error (compression ratio over 8.5 for 5+…P529Outdoor unit compression rate 2 error.P530Outdoor unit compression rate 3 error.P531Forbid heating mode operation when outdoor temperature over 30°C.P532Forbid cooling mode operation when outdoor temperature below -5°C.P533Refrigerant charging operation at 15°C or over outdoor temperature in heating…P534Instant power off (disappears when compressor runs).P535Low discharge pressure detection at initial compressor start (low sensor value…P6Compressor down due to protection control of condensation ratio (compression…P7Compressor down due to protection control of high pressure sensor (over 28…P701Float switch detection error (low level risk, indoor unit continues normal…P702Indoor unit EEV closing error (low level risk).P703Indoor unit EEV opening error (low level risk).P704MCU solenoid valve failure (low level risk).P8Compressor down due to protection control of low pressure sensor (less than 3…P9In removing frost (defrost operation in progress, not a defect).PACompressor down due to protection control of condensation ratio.qxOPEN/SHORT error of room sensor in xth indoor unit.rxOPEN/SHORT error of EVAP IN sensor in xth indoor unit.sxSimultaneous breakaway of xth indoor unit EVAP IN and EVAP OUT sensors.t1Outdoor temperature (OUT TEMP) sensor OPEN/SHORT error. Error levelt2Condenser temperature (COND TEMP) sensor OPEN/SHORT error. Error levelt3PWM discharge temperature sensor OPEN/SHORT error. Detected when outdoor…t4Liquid refrigerant pipe (COND OUT) temperature sensor OPEN/SHORT error. Error…t5Oil temperature sensor OPEN/SHORT error. Detected when outdoor temperature is…t6Suction temperature sensor OPEN/SHORT error. Error levelt7High pressure sensor OPEN/SHORT errort8Low pressure sensor OPEN/SHORT errort9Fixed compressor discharge sensor OPEN/SHORT error. Detected when outdoor…toLow pressure sensor breakaway (outdoor unit).tuHigh pressure sensor breakaway (outdoor unit).vxOPEN/SHORT error of EVAP OUT sensor in xth indoor unit.

Service modes (3)

  • Error resetPress reset key KEY 3 (K3) on outdoor unit PCB.
  • Piping checkInitiate piping check mode; press KEY 5 (K5) after pipe check to display error information.
  • Test operationPress KEY 4 (K4) on outdoor unit PCB to enter test operation mode

Full entry steps, exit procedures, and test sequences are available in Max.

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