Model reference
Samsung AVMKH020CA1
Air Conditioner
4 documents163 error codes4 service modes
Available documentation
Service Manual
- LG Samsung AVMKH020CA1 Service Manual - Troubleshooting118 pg
- LG Samsung AVMKH020CA1 Service Manual - Disassembly and Reassembly78 pg
- LG Samsung AVMKH020CA1 Service Manual Installation23 pg
Wiring Diagram
- LG Samsung AVMKH020CA1 Service manual 20061025152748750 Schematic Diagram14 pg
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Error codes (163)
CodeMeaning
AxBreakaway of EVAP IN piping sensor in xth indoor unit.BxOPEN/SHORT error of EVAP OUT sensor in xth indoor unit.ChCompressor preheating in progress via crank case heater (CCH)CxOPEN/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 tracking (no…E101Communication 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 163 error codes
E162The 2nd MCU SOL V/V cooling/heating opening at the same time.E163The 2nd MCU SOL V/V error.E164No change of EVAP IN temperature during piping check.E165No change of EVAP OUT temperature during piping check.E166Change of EVAP IN temperature of other indoor unit detected during piping check.E167Change of EVAP OUT temperature of other indoor unit detected during piping…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 overlapped more…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…E262Digital discharge sensor breakawayE263Fixed 1 discharge sensor breakaway.E264Fixed 2 discharge sensor breakaway.E265Fixed 3 discharge sensor breakaway.E266Sump-main breakaway error.E267Sump Sub 1 breakaway error.E268Sump Sub 2 breakaway error.E269Sump Sub 3 breakaway error.E270Suction breakaway error.E3Indoor unit float switch errorE301Outdoor temperature sensor OPEN/SHORT error.E302Outdoor temperature sensor breakaway.E303COND-OUT MAIN temperature sensor error OPEN/SHORT.E304COND-OUT SUB 1 temperature sensor error OPEN/SHORT.E305COND-MID sensor breakaway of outdoor unit.E306COND-OUT 1 breakaway.E307PWM discharge temperature sensor error OPEN/SHORTE308Fixed capacity compressor 1 discharge sensor error OPEN/SHORTE309Fixed capacity compressor 2 discharge sensor error OPEN/SHORTE310Fixed capacity compressor 3 discharge sensor error OPEN/SHORTE311SUMP TEMP DIGITAL sensor error OPEN/SHORTE312SUMP TEMP FIXED 1 sensor error OPEN/SHORTE313SUMP TEMP FIXED 2 sensor error OPEN/SHORTE314SUMP TEMP FIXED 3 sensor error OPEN/SHORTE315High pressure sensor error OPEN/SHORTE316Low pressure sensor error OPEN/SHORTE317High pressure sensor breakaway.E318Low pressure sensor breakaway.E319Suction temperature sensor error OPEN/SHORT.E320Main cooling solenoid valve open error.E3214-way valve operation error.E4Setting error of option switch in indoor unitE425Outdoor unit reverse phase detection 1 error.E5Indoor unit float switch error.E501Defrosting operation.E502Low discharge pressureE503Equability (oil leveling) operationE504Loading failure of digital compressor or OLP trip.E505Full 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.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 during first…G5Breakaway of suction temperature sensor.G6Breakaway of fixed compressor discharge sensor (detected once or more times).G7Self-diagnosis error code listed in priority sequence.G8Self-diagnosis of condensation sensor.G9Self-diagnosis of condensation sensor.P0System down due to high temperature of discharge sensor (exceeding 135°C).P1System down due to high temperature of condenser sensor (67°C threshold, 6…P2SUMP COMP DOWNP3System down due to low pressure switch detection (below 1.2 kg/cm2G).P4Reverse phase or open phase detection error for 3-phase power supply.P401Outdoor unit freezing detection 1.P402Outdoor unit freezing detection 2.P403Outdoor unit freezing detection 3P404Outdoor unit overload 1 protection control error.P405Outdoor unit overload 2 protection control error.P406Outdoor unit overload 3 protection control error.P407Compressor down by high pressure sensor protection control 1.P408Compressor down by high pressure sensor protection control 2.P409Compressor down by high pressure sensor protection control 3.P410Compressor down by low pressure sensor protection control 1.P411Compressor down by low pressure sensor protection control 2.P412Compressor down by low pressure sensor protection control 3.P413Outdoor unit SUMP DOWN 1 protection control.P414Outdoor unit SUMP DOWN 2 protection control.P415Outdoor unit SUMP DOWN 3 protection control.P416Outdoor unit discharge temperature 1 protection control.P417Outdoor unit discharge temperature 2 protection control.P418Outdoor unit discharge temperature 3 protection control.P419Outdoor unit EEV open 1 self diagnosis error.P420Outdoor unit EEV open 2 self diagnosis error.P421Outdoor unit EEV open 3 self diagnosis error.P422Outdoor unit EEV close 1 self diagnosis error.P423Outdoor unit EEV close 2 self diagnosis error.P424Outdoor unit EEV close 3 self diagnosis error.P426Outdoor unit reverse phase detection 2 error.P427Outdoor unit reverse phase detection 3 error.P428Outdoor unit compression rate 1 errorP429Outdoor unit compression rate 2 error.P430Outdoor unit compression rate 3 error.P431Forbid heating mode operation when outdoor temperature over 30°C.P432Forbid cooling mode operation when outdoor temperature below -5°C.P433Refrigerant charging operation at over 15°C outdoor temperature in heating mode.P434Instant power off (disappears when compressor runs).P5System down due to frozen heat exchanger (indoor unit heat exchanger at -4°C…P6In removing frostP7Error of momentary power failureP701Float S/W detection error (low level riskP702Indoor 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 high pressure sensor protection control (over 28…P9Compressor down due to low pressure sensor protection control (below 3 kg/cm2G…PACompressor down due to protection control of condensation ratio (ratio exceeds…qxElectronic expansion valve close error on xth indoor unit.rxBreakaway of EVAP OUT piping sensor in xth indoor unit.sxSimultaneous breakaway of indoor unit EVAP IN and EVAP OUT sensors on xth…t1Outdoor temperature sensor error (OPEN/SHORT)t2Condenser temperature sensor error (OPEN/SHORT)t3PWM discharge temperature sensor error (OPEN/SHORT)t4Liquid refrigerant pipe (COND OUT) temperature sensor error (OPEN/SHORT)t5Oil temperature sensor error (OPEN/SHORT)t6Suction temperature sensor error (OPEN/SHORT)t7High pressure sensor error (OPEN/SHORT)t8Low pressure sensor error (OPEN/SHORT)t9Fixed compressor discharge sensor error (OPEN/SHORT)toError display code listed in priority sequence after tu.tuError display code listed in priority sequence between t9 and to.vxIndoor unit fan motor starting error on xth indoor unit.
Service modes (4)
- Error ResetPress reset key KEY 3 (K3) on outdoor unit PCB.
- Piping Check DisplayPress KEY 5 (K5) after pipe check to display error information.
- S-NET DiagnosticConnect S-NET monitoring system to the DVM system for real-time data monitoring of temperatures…
- Test OperationPress KEY 4 (K4) on outdoor unit PCB to initiate test operation of all indoor units.
Full entry steps, exit procedures, and test sequences are available in Max.
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