Acson Air Conditioner Error Codes And Troubleshooting

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Listed here is the Acson Air Conditioner Error Codes and how to troubleshoot. The Acson AC Error Codes tells you that there is an issue. This Acson AC Error Code will tell you weather the error is from withing the AC or is it due to something external unit. If you know the Meaning of the Error code then it will be very easy to troubleshoot and resolve the issue and fix Acson AC quickly and easily. Just Check the manual, then get it serviced or have it repaired or replace it. We have given the Error Code List for Acson Air Conditioners. Please also see the Acson AC pdf manual for more details.

Acson Air Conditioner Error Codes

Acson Air Conditioner Error Code E01
Error Code Meaning: Require manual reset

Acson Air Conditioner Error Code E02
Error Code Meaning: Compressor 1 high temperature (overload)

Acson Air Conditioner Error Code E03
Error Code Meaning: Compressor 2 high temperature (overload)

Acson Air Conditioner Error Code E04
Error Code Meaning: Compressor 4 high temperature (overload)

Acson Air Conditioner Error Code E05
Error Code Meaning: Compressor 4 high temperature (overload)

Acson Air Conditioner Error Code E06
Error Code Meaning: Compressor 1 high pressure trip / contact open

Acson Air Conditioner Error Code E07
Error Code Meaning: Compressor 2 high pressure trip / contact open

Acson Air Conditioner Error Code E08
Error Code Meaning: Compressor 3 high pressure trip / contact open

Acson Air Conditioner Error Code E09
Error Code Meaning: Compressor 4 high pressure trip / contact open

Acson Air Conditioner Error Code E10
Error Code Meaning: Compressor 1 trip / low R-22 / outdoor abnormal

Acson Air Conditioner Error Code E11
Error Code Meaning: Compressor 2 trip / low R-22 / outdoor abnormal

Acson Air Conditioner Error Code E12
Error Code Meaning: Compressor 3 trip / low R-22 / outdoor abnormal

Acson Air Conditioner Error Code E13
Error Code Meaning: Compressor 4 trip / low R-22 / outdoor abnormal

Acson Air Conditioner Error Code E14
Error Code Meaning: Room sensor short

Acson Air Conditioner Error Code E15
Error Code Meaning: Room sensor open

Acson Air Conditioner Error Code E16
Error Code Meaning: Indoor coil sensor 1 short

Acson Air Conditioner Error Code E17
Error Code Meaning: Indoor coil sensor 2 short

Acson Air Conditioner Error Code E18
Error Code Meaning: Indoor coil sensor 3 short

Acson Air Conditioner Error Code E19
Error Code Meaning: Indoor coil sensor 4 short

Acson Air Conditioner Error Code E20
Error Code Meaning: Indoor coil sensor 1 open

Acson Air Conditioner Error Code E21
Error Code Meaning: Indoor coil sensor 2 open

Acson Air Conditioner Error Code E22
Error Code Meaning: Indoor coil sensor 3 open

Acson Air Conditioner Error Code E23
Error Code Meaning: Indoor coil sensor 4 open

Acson Air Conditioner Error Code E24
Error Code Meaning: Outdoor coil sensor 1 short

Acson Air Conditioner Error Code E25
Error Code Meaning: Outdoor coil sensor 2 short

Acson Air Conditioner Error Code E26
Error Code Meaning: Outdoor coil sensor 3 short

Acson Air Conditioner Error Code E27
Error Code Meaning: Outdoor coil sensor 4 short

Acson Air Conditioner Error Code E28
Error Code Meaning: Outdoor coil sensor 1 open

Acson Air Conditioner Error Code E29
Error Code Meaning: Outdoor coil sensor 2 open

Acson Air Conditioner Error Code E30
Error Code Meaning: Outdoor coil sensor 3 open

Acson Air Conditioner Error Code E31
Error Code Meaning: Outdoor coil sensor 4 open

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Acson Air Conditioner Error Code E32
Error Code Meaning: Compressor 1 de-ice

Acson Air Conditioner Error Code E33
Error Code Meaning: Compressor 2 de-ice

Acson Air Conditioner Error Code E34
Error Code Meaning: Compressor 3 de-ice

Acson Air Conditioner Error Code E35
Error Code Meaning: Compressor 4 de-ice

Acson Air Conditioner Error Codes And Troubleshooting

Acson Air Conditioner Error Code 00
Error Code Meaning: NORMAL

Acson Air Conditioner Error Code A1
Error Code Meaning: INDOOR PCB ERROR

Acson Air Conditioner Error Code A3
Error Code Meaning: DRAIN PUMP ABNORMAL

Acson Air Conditioner Error Code A5
Error Code Meaning: ANTIFREEZE (COOLING)/HEAT EXCHANGER OVERHEAT (HEATING)

Acson Air Conditioner Error Code A6
Error Code Meaning: INDOOR FAN MOTOR ABNORMAL

Acson Air Conditioner Error Code AH
Error Code Meaning: ELECTRICAL AIR CLEANER ABNORMAL

Acson Air Conditioner Error Code C4 
Error Code Meaning: INDOOR HEAT EXCHANGER (1) THERMISTOR SHORT/OPEN

Acson Air Conditioner Error Code C5 
Error Code Meaning: INDOOR HEAT EXCHANGER (2) THERMISTOR SHORT/OPEN

Acson Air Conditioner Error Code C7
Error Code Meaning: LOUVER LIMIT SWITCH ERROR

Acson Air Conditioner Error Code C9
Error Code Meaning: INDOOR ROOM THERMISTOR SHORT/OPEN

Acson Air Conditioner Error Code E1
Error Code Meaning: OUTDOOR PCB ERROR

Acson Air Conditioner Error Code E3
Error Code Meaning: HIGH PRESSURE PROTECTION

Acson Air Conditioner Error Code E4
Error Code Meaning: LOW PRESSURE PROTECTION

Acson Air Conditioner Error Code E5
Error Code Meaning: COMPRESSOR MOTOR LOCK/COMPRESSOR OVERLOADED

Acson Air Conditioner Error Code E6
Error Code Meaning: COMPRESSOR START-UP ERROR

Acson Air Conditioner Error Code E7
Error Code Meaning: OUTDOOR DC FAN MOTOR LOCK

Acson Air Conditioner Error Code E8
Error Code Meaning: AC INPUT OVER CURRENT

Acson Air Conditioner Error Code E9
Error Code Meaning: EXV ERROR

Acson Air Conditioner Error Code EA
Error Code Meaning: 4 WAY VALVE ERROR

Acson Air Conditioner Error Code F3
Error Code Meaning: DISCHARGE PIPE OVERHEAT

Acson Air Conditioner Error Code F6
Error Code Meaning: HEAT EXCHANGER OVERHEAT

Acson Air Conditioner Error Code HO
Error Code Meaning: COMPRESSOR SENSOR SYSTEM ERROR

Acson Air Conditioner Error Code H3
Error Code Meaning: HIGH PRESSURE SWITCH ERROR

Acson Air Conditioner Error Code H6
Error Code Meaning: COMPRESSOR FEEDBACK DETECTION ERROR

Acson Air Conditioner Error Code H7
Error Code Meaning: FAN MOTOR OVERLOADED/OVERCURRENT/SENSOR ABNORMAL

Acson Air Conditioner Error Code H8
Error Code Meaning: AC CURRENT SENSOR ERROR

Acson Air Conditioner Error Codes And Troubleshooting

Error Diagnosis by Wired Controller (MC301)

Acson Air Conditioner Error Code E0
Error Code Meaning: System malfunction

Acson Air Conditioner Error Code E1
Error Code Meaning: Sensor Broken (TH1 discharge Temp.)

Acson Air Conditioner Error Code E2
Error Code Meaning: Sensor Broken (TH2 inlet coil 1#)

Acson Air Conditioner Error Code E3
Error Code Meaning: Sensor Broken (TH3 mid coil 1#)

Acson Air Conditioner Error Code E4
Error Code Meaning: Sensor Broken (TH4 inlet coil 2#)

Acson Air Conditioner Error Code E5
Error Code Meaning: Sensor Broken (TH5 mid coil 2#)

Acson Air Conditioner Error Code E6
Error Code Meaning: Sensor Broken (TH6 inlet coil 3#)

Acson Air Conditioner Error Code E7
Error Code Meaning: Sensor Broken (TH7 mid coil 3#)

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Acson Air Conditioner Error Code E8
Error Code Meaning: Sensor Broken (TH8 ambient temp)

Acson Air Conditioner Error Code E9
Error Code Meaning: Sensor Broken (TH9 outlet coil)

Acson Air Conditioner Error Code EA
Error Code Meaning: Sensor Broken (TH10 subcool outlet)

Acson Air Conditioner Error Code EB
Error Code Meaning: Sensor Broken (TH11 subcool suction)

Acson Air Conditioner Error Code EC
Error Code Meaning: Sensor Broken (TH12 suction)

Acson Air Conditioner Error Code EF
Error Code Meaning: Emergency Run

Acson Air Conditioner Error Code F0
Error Code Meaning: Outdoor Storage Malfunction

Acson Air Conditioner Error Code F1
Error Code Meaning: Sensor Broken (indoor inlet coil)

Acson Air Conditioner Error Code F2
Error Code Meaning: Sensor Broken (indoor mid coil)

Acson Air Conditioner Error Codes And Troubleshooting

Acson Air Conditioner Error Code F3
Error Code Meaning: Sensor Broken (indoor outlet coil)

Acson Air Conditioner Error Code F4
Error Code Meaning: Sensor Broken (indoor return air)

Acson Air Conditioner Error Code F5
Error Code Meaning: Sensor Broken (indoor supply air)

Acson Air Conditioner Error Code F6
Error Code Meaning: Indoor and controller communication malfunction

Acson Air Conditioner Error Code F7
Error Code Meaning: Ambient temp exceed the limit

Acson Air Conditioner Error Code F8
Error Code Meaning: 4WV malfunction

Acson Air Conditioner Error Code F9
Error Code Meaning: Refrigerant leakage

Acson Air Conditioner Error Code FB
Error Code Meaning: Water Pump (indoor water pump)

Acson Air Conditioner Error Code FC
Error Code Meaning: Indoor and outdoor communication malfunction

Acson Air Conditioner Error Code FE
Error Code Meaning: Master and slave communication malfunction

Acson Air Conditioner Error Code H0
Error Code Meaning: Digital comp overload

Acson Air Conditioner Error Code H1
Error Code Meaning: Fixed Comp1 overload

Acson Air Conditioner Error Code H2
Error Code Meaning: Fixed Comp2 overload

Acson Air Conditioner Error Code H3
Error Code Meaning: Fixed Comp3 overload

Acson Air Conditioner Error Code H4
Error Code Meaning: High pressure too high

Acson Air Conditioner Error Code H5
Error Code Meaning: Sensor broken, high pressure

Acson Air Conditioner Error Code H6
Error Code Meaning: Discharge temp too high

Acson Air Conditioner Error Code L0
Error Code Meaning: Super heat too low

Acson Air Conditioner Error Code L1
Error Code Meaning: Low pressure too low

Acson Air Conditioner Error Code L2
Error Code Meaning: Sensor broken, low pressure

Acson Air Conditioner Error Code 10
Error Code Meaning: System malfunction

Acson Air Conditioner Error Code 11
Error Code Meaning: Sensor broken (slave TH1 discharge temp)

Acson Air Conditioner Error Code 12
Error Code Meaning: Sensor broken (slave TH2 inlet coil 1#)

Acson Air Conditioner Error Code 13
Error Code Meaning: Sensor broken (slave TH3 mid coil 1#)

Acson Air Conditioner Error Code 14
Error Code Meaning: Sensor broken (slave TH4 inlet coil 1#)

Acson Air Conditioner Error Code 15
Error Code Meaning: Sensor broken (slave TH5 mid coil 1#)

Acson Air Conditioner Error Code 16
Error Code Meaning: Sensor broken (slave TH6 inlet coil 1#)

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Acson Air Conditioner Error Code 17
Error Code Meaning: Sensor broken (slave TH7 mid coil 1#)

Acson Air Conditioner Error Code 18
Error Code Meaning: Sensor broken (slave TH8 ambient coil 1#)

Acson Air Conditioner Error Code 19
Error Code Meaning: Sensor broken (slave TH9 outlet coil 1#)

Acson Air Conditioner Error Code 1A
Error Code Meaning: Sensor broken (slave TH10 subcool coil 1#)

Acson Air Conditioner Error Code 1B
Error Code Meaning: Sensor broken (slave TH11 subcool coil 1#)

Acson Air Conditioner Error Code 1C
Error Code Meaning: Sensor Broken (slave TH12 suction)

Acson Air Conditioner Error Code 20
Error Code Meaning: Outdoor storage (slave)

Acson Air Conditioner Error Code 27
Error Code Meaning: Ambient temp exceed the limit (slave)

Acson Air Conditioner Error Code 28
Error Code Meaning: 4WV malfunction (slave)

Acson Air Conditioner Error Code 29
Error Code Meaning: Refrigerant leakage (slave)

Acson Air Conditioner Error Code 30
Error Code Meaning: Digital comp overload (slave)

Acson Air Conditioner Error Code 31
Error Code Meaning: Fixed comp1 overload (slave)

Acson Air Conditioner Error Code 32
Error Code Meaning: Fixed comp2 overload (slave)

Acson Air Conditioner Error Code 33
Error Code Meaning: Fixed comp3 overload (slave)

Acson Air Conditioner Error Code 34
Error Code Meaning: High pressure too high (slave)

Acson Air Conditioner Error Code 35
Error Code Meaning: Sensor broken, high pressure (slave)

Acson Air Conditioner Error Code 36
Error Code Meaning: Discharge temp too high (slave)

Acson Air Conditioner Error Code 40
Error Code Meaning: Super heat too low (slave)

Acson Air Conditioner Error Code 41
Error Code Meaning: Low pressure too low (slave)

Acson Air Conditioner Error Code 42
Error Code Meaning: Sensor broken, low pressure (slave)

Acson Air Conditioner Error Code J1
Error Code Meaning: Pressure sensor error

Acson Air Conditioner Error Code J3
Error Code Meaning: Compressor discharge pipe thermistor

Acson Air Conditioner Error Codes

Acson Air Conditioner Error Codes And Troubleshooting

J1 Pressure sensor error

J3 Compressor discharge pipe thermistor

J5 Suction pipe thermistor short/open

A6 Indoor fan motor fault

J6 Outdoor heat exchanger thermistor

AH Electrical air cleaner fault

J7 Sub cooling heat exchanger thermistor

short/open

C4 Indoor heat exchanger (1) thermistor
short/open

J8 Liquid pipe thermistor short/open
C5 Indoor heat exchanger (2) thermistor
short/open

J9 Gas pipe thermistor short/open
C7 Louver limit switch error

L1 Inverter outdoor PCB error
C9 Indoor room thermistor short/open

L3 Outdoor control box overheat

U0 Insufficient gas
F3 Discharge pipe overheat

U2 DC voltage out of range
F6 Heat exchanger overheat

U4 Communication error
HO Compressor sensor system error

U7 Communication error (outdoor PCB & IPM

PCB)
H3 High pressure switch error

UA Installation error
H6 Compressor feedback detection error

UF Piping & wiring installation mismatch/wrong

wiring/insufficient gas

H7 Fan motor overloaded/over current/sensor
fault

UH Anti freeze (other rooms)

We hope that now you are able to resolve the Acson Air Conditioner Error Codes. Please doo comment for any question on AC error codes.

5 thoughts on “Acson Air Conditioner Error Codes And Troubleshooting

  1. Rameez ch

    4 ton acson floor standing heat py maximum 1hour chalne k baad df error aa jata

    Reply
  2. Rameez ch

    4 ton acson floor standing heat py maximum 1hour chalne k baad df error aa jata

    Reply
  3. Carlos Miranda

    Bom dia
    Solicito código de erros da VRV acsson
    Modelo: AMDS080BR5
    Modelo: AMDS120BRM5
    Modelo: AMDS160BRS5
    Obrigado

    Reply

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