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Model reference

Samsung AVMBH020CA0XAG

Air Conditioner

4 documents164 error codes3 service modes

Available documentation

Service Manual

  • LG Samsung AVMBH020CA0XAG Service Manual - Disassembly and Reassembly78 pg
    Covers this model
  • SYSTEM AIR CONDITIONER (DVM Series) SERVICE Manual2 pg
    Covers this model
  • LG Samsung AVMBH020CA0XAG Service manual Product specification36 pg
    Covers this model

Wiring Diagram

  • Wiring Diagram20 pg
    Covers this model
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Error codes (164)

CodeMeaning
AxBreakaway of indoor unit EVAP IN sensor for xth indoor unit.BxSimultaneous breakaway of indoor unit EVAP IN and EVAP OUT sensors for xth…ChCompressor preheating in progressCxOPEN/SHORT error of room sensor in xth indoor unit.DxOPEN/SHORT error of EVAP IN sensor in xth indoor unit.E1System down due to communication error after completion of trackingE101Communication 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.E121Indoor unit EEV open failure.E122Indoor unit EEV close failure.E153Indoor unit float switch detectionE154Indoor fan error.E155Mixed operation errorE156EEPROM 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.E170The 1st MCU SOL V/V cooling/heating opening at the same time.
View all 164 error codes
E171The 2nd MCU SOL V/V cooling/heating opening at the same time.E172The 2nd MCU SOL V/V error.E181No change of EVAP IN temperature during the piping check.E182No change of EVAP OUT temperature during the piping check.E183Change of EVAP IN temperature of other indoor unit during the piping check.E184Change of EVAP OUT temperature of other indoor unit during the 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 set-up error in the outdoor PCB.E209MCU address setting was overlapped.E210Rotary switch for indoor unit address in MCU was overlapped among MCUs.E211DIP switch for indoor unit setting was ON position even though indoor unit was…E212DIP switch for indoor unit setting was OFF position even though indoor unit was…E221Outdoor temperature sensor OPEN/SHORT error.E222Outdoor temperature sensor breakaway.E223COND-OUT MAIN temperature sensor error OPEN/SHORT.E224COND-OUT SUB 1 temperature sensor error OPEN/SHORT.E225COND-MID sensor breakaway of outdoor unit.E226COND-OUT 1 breakaway.E231PWM discharge temperature sensor error OPEN/SHORTE232Fixed capacity compressor 1 discharge sensor error OPEN/SHORTE233Fixed capacity compressor 2 discharge sensor error OPEN/SHORTE234Fixed capacity compressor 3 discharge sensor error OPEN/SHORTE261Digital discharge sensor breakaway.E262Fixed 1 discharge sensor breakawayE263Fixed 2 discharge sensor breakaway.E264Fixed 3 discharge sensor breakaway.E271Sump-main breakaway errorE272Sump Sub 1 breakaway error.E273Sump Sub 2 breakaway error.E274Sump Sub 3 breakaway error.E275Suction breakaway error.E281SUMP TEMP DIGITAL sensor error OPEN/SHORTE282SUMP TEMP FIXED 1 sensor error OPEN/SHORTE283SUMP TEMP FIXED 2 sensor error OPEN/SHORTE284SUMP TEMP FIXED 3 sensor error OPEN/SHORTE291High pressure sensor error OPEN/SHORTE292Low pressure sensor error OPEN/SHORTE293High pressure sensor breakaway.E294Low pressure sensor breakaway.E295Suction temperature sensor error (OPEN/SHORT).E296Main cooling solenoid valve open error.E2974-way valve operation error.E3Indoor unit float switch errorE4Setting error of option switch in indoor unitE401Outdoor unit freezing detection 1.E402Outdoor unit freezing detection 2.E403Outdoor unit freezing detection 3E411Outdoor unit overload 1 protection control error.E412Outdoor unit overload 2 protection control error.E413Outdoor unit overload 3 protection control error.E421Outdoor unit reverse phase detection 1 error.E422Outdoor unit reverse phase detection 2 error.E423Outdoor unit reverse phase detection 3 error.E425Reverse phase of 3 phases powerE431Outdoor unit compression rate 1 errorE432Outdoor unit compression rate 2 error.E433Outdoor unit compression rate 3 error.E441Outdoor unit EEV open 1 self diagnosis error.E442Outdoor unit EEV open 2 self diagnosis error.E443Outdoor unit EEV open 3 self diagnosis error.E451Outdoor unit EEV close 1 self diagnosis error.E452Outdoor unit EEV close 2 self diagnosis error.E453Outdoor unit EEV close 3 self diagnosis error.E5Setting error of option switch for peripheral equipment controlE501Forbid heating mode operation when outdoor temperature over 30°C.E502Forbid cooling mode operation when outdoor temperature below -5°C.E503Refrigerant charging operation restriction at over 15°C outdoor temperature in…E504Instant power off (disappears when compressor runs).E551Defrosting operation (not an error).E552Low discharge pressureE553Equability (oil leveling) operationE554Loading failure of digital compressor.E555Full leakage of refrigerant of 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.FxBreakaway of indoor unit EVAP OUT sensor for xth indoor unit.G2Total leakage of refrigerant in outdoor unit or compressor loading failure.G3Breakaway of COND MID sensor in outdoor unit.G4Breakaway of oil temperature sensor (detected once or more times)G5Breakaway of suction temperature sensorG6Breakaway of fixed compressor discharge sensor (detected once or more times)G7Outdoor unit freezing detection (indoor unit heat exchanger below -4°C for over…G8Self-diagnosis of condensation sensor.G9Self-diagnosis of condensation sensor.P0System down due to high temperature of discharge sensorP1System down due to high temperature of condenser sensorP2SUMP COMP DOWNP3System down due to low pressure switch detectionP4Reverse phase or open phase errorP5System down due to frozen heat exchangerP6Error of momentary power failureP7Compressor down due to protection control of high pressure sensorP701Compressor down by high pressure sensor protection control 1.P702Compressor down by high pressure sensor protection control 2.P703Compressor down by high pressure sensor protection control 3.P711Compressor down by low pressure sensor protection control 1.P712Compressor down by low pressure sensor protection control 2.P713Compressor down by low pressure sensor protection control 3.P721Outdoor unit SUMP DOWN 1 protection controlP722Outdoor unit SUMP DOWN 2 protection control.P723Outdoor unit SUMP DOWN 3 protection control.P731Outdoor unit discharge temperature 1 protection control.P732Outdoor unit discharge temperature 2 protection control.P733Outdoor unit discharge temperature 3 protection control.P8Compressor down due to protection control of low pressure sensorP801Float S/W detection error (low level riskP802Indoor unit EEV closing error (low level risk).P803Indoor unit EEV opening error (low level risk).P804MCU solenoid valve failure (low level risk).P9In removing frostPACompressor down due to protection control of condensation ratioqxElectronic expansion valve open error for xth indoor unit.rxElectronic expansion valve close error for xth indoor unit.sxOPEN/SHORT error of EVAP OUT sensor in xth indoor unit.t1Error of outdoor temperature sensor (OPEN/SHORT)t2Error of condenser temperature sensor (OPEN/SHORT)t3Error of PWM discharge temperature sensor (OPEN/SHORT)t4Error of liquid refrigerant pipe (COND OUT) temperature sensor (OPEN/SHORT)t5Error of oil temperature sensor (OPEN/SHORT)t6Error of suction temperature sensor (OPEN/SHORT)t7Error of high pressure sensor (OPEN/SHORT)t8Error of low pressure sensor (OPEN/SHORT)t9Error of fixed compressor discharge sensor (OPEN/SHORT)toError of low pressure sensor breakaway.tuError of high pressure sensor breakaway.vxFan starting error for xth indoor unit.

Service modes (3)

  • Error resetPress KEY 3 (K3) on the outdoor unit PCB to reset errors and initiate re-tracking.
  • Pipe check displayPress KEY 5 (K5) on outdoor unit PCB after pipe check to display error information.
  • Test operationPress KEY 4 (K4) on the outdoor unit PCB to start test operation of all indoor units.

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

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