Air conditioner error codes
189 codes
Carrier 28
- A1 — Communication Error
- A2 — Temperature Sensor Error
- A3 — Fan Motor Error
- A4 — Compressor Error
- A5 — Drainage Error
- A6 — High Pressure Error
- A7 — Low Pressure Error
- A8 — Control Board Error
- A9 — Power Supply Error
- B1 — Room Temperature Error
- dn — EXV Communication Error
- E1 — High Pressure Protection
- E2 — Indoor Anti-Freezing Protection
- E3 — Low Pressure Protection
- E4 — Compressor Discharge High Temp Protection
- E6 — Indoor/Outdoor Communication Error
- E7 — Mode Conflict
- E8 — System Overload Protection
- F3 — Outdoor Ambient Temperature Sensor Malfunction
- F5 — Outdoor Discharge Air Temperature Sensor Malfunction
- H3 — Compressor Overheat Protection
- H5 — IPM Protection
- Lc — Compressor Start-Up Failure
- Ld — Compressor Phase Loss Protection
- P1 — Voltage Protection
- P7 — Heat Sink Temperature Sensor Malfunction
- P8 — IPM Over-Temperature Protection
- PU — Capacitor Charging Malfunction
Daikin 50
- A1 — Communication Error
- A3 — Malfunction of Capacity Determination Device
- A5 — Malfunction of Temperature Sensor
- A6 — Fan Motor Error
- A7 — Swing Flap Motor Malfunction
- AF — Drain Level Above Limit
- C4 — Malfunction of Heat Exchanger Temperature Sensor
- C5 — Malfunction of Outdoor Temperature Sensor
- C9 — Malfunction of Subcooling Heat Exchanger Temperature Sensor
- CJ — Remote Controller Thermistor Malfunction
- E1 — High Pressure Error
- E3 — Low Pressure Error
- E4 — Compressor Error
- E5 — Overcurrent Error
- E6 — Power Supply Error
- E7 — Malfunction of Outdoor Unit Fan Motor
- E8 — Inverter Input Overcurrent
- E9 — Electronic Expansion Valve Error
- EA — 4-Way Valve Malfunction
- F3 — Malfunction of Discharge Pipe Temperature Sensor
- F6 — Malfunction of Coil Temperature Sensor
- H0 — Compressor Sensor System Malfunction
- H1 — Malfunction of Compressor Motor
- H6 — Malfunction of Position Detection Sensor
- H8 — Malfunction of DC Fan Motor
- H9 — Malfunction of Electronic Expansion Valve
- J3 — Malfunction of Discharge Pipe Temperature Sensor
- J5 — Malfunction of Suction Pipe Temperature Sensor
- J6 — Malfunction of Ambient Temperature Sensor
- J9 — Malfunction of Subcooling Heat Exchanger Temperature Sensor
- JA — Discharge Pipe Pressure Sensor Malfunction
- JC — Suction Pipe Pressure Sensor Malfunction
- L3 — Power Supply Voltage Error
- L4 — Transmission Error
- L5 — Communication Circuit Board Error
- L8 — Fan Motor Signal Error
- L9 — Malfunction of Electronic Expansion Valve
- P1 — Inverter Error
- P4 — Radiation Fin Temperature Rise Error
- P8 — Overcurrent Error
- P9 — Overvoltage Error
- U0 — Zero Crossing Detection Error
- U1 — Reverse Phase
- U2 — Power Supply Voltage Drop Error
- U4 — Malfunction of Transmission Between Control and Inverter PCB
- U5 — Malfunction of Transmission Between Main and Inverter PCB
- U8 — Malfunction of Outdoor Temperature Sensor
- U9 — Malfunction of Discharge Pipe Temperature Sensor
- UA — Combination Error
- UF — Wiring/Piping Mismatch
Gree 26
- E0 — Communication Error
- E1 — Indoor Unit Temperature Sensor Error
- E2 — Indoor Unit Fan Motor Error
- E3 — Outdoor Unit Temperature Sensor Error
- E4 — Compressor Error
- E5 — Overcurrent Protection
- E6 — High Pressure Protection
- E7 — Low Pressure Protection
- E8 — Outdoor Unit Fan Motor Error
- E9 — Electronic Expansion Valve Error
- F0 — Power Supply Error
- F1 — Indoor Unit EEPROM Error
- F2 — Outdoor Unit EEPROM Error
- F3 — Refrigerant System Error
- F4 — Indoor Unit Coil Temperature Sensor Error
- F5 — Outdoor Unit Coil Temperature Sensor Error
- F6 — Compressor Discharge Temperature Sensor Error
- F7 — Inverter Module Error
- F8 — Water Pump Error
- F9 — Four-Way Valve Error
- H1 — Defrosting in Progress
- H3 — Compressor Overheat Protection
- H5 — IPM Protection
- H6 — Indoor Fan Motor Feedback Error
- Lc — Start-up Failure
- U1 — Compressor Phase Sequence Error
Haier 10
- E1 — Indoor Temperature Sensor Error
- E2 — Indoor Pipe Sensor Error
- E4 — Indoor EEPROM Error
- E5 — Indoor Anti-Frosting Protection
- E7 — Communication Error
- E9 — Indoor Overload Protection (Heating Mode)
- F1 — Indoor Ambient Sensor Error
- F2 — Indoor Evaporator Sensor Error
- F3 — Outdoor Module Communication Error
- F4 — Compressor Discharge Temperature Protection
Hisense 12
- E0 — Communication Error
- E1 — Indoor Unit Temperature Sensor Error
- E2 — Indoor Unit Fan Motor Error
- E3 — Outdoor Unit Temperature Sensor Error
- E4 — Compressor Error
- E5 — Overcurrent Protection
- E6 — High Pressure Protection
- E7 — Low Pressure Protection
- E8 — Outdoor Unit Fan Motor Error
- E9 — Electronic Expansion Valve Error
- F6 — Indoor Fan Speed Out of Control
- F7 — Indoor Room Temperature Sensor Error
LG 5
Mitsubishi 31
- E01 — Communication Error
- E02 — Temperature Sensor Error
- E03 — Fan Motor Error
- E04 — Compressor Error
- E05 — Drainage Error
- E06 — High Pressure Error
- E07 — Low Pressure Error
- E08 — Control Board Error
- E09 — Power Supply Error
- E1 — Remote Controller Control Board Error
- E10 — Room Temperature Error
- E6 — Indoor/Outdoor Communication Error (Signal Receiving)
- E7 — Indoor/Outdoor Communication Error (Signal Transmitting)
- E9 — Indoor/Outdoor Communication Error (Detected by Outdoor Unit)
- EE — Indoor/Outdoor Unit Combination Error
- Fb — Indoor Unit Memory Error
- P1 — Intake Sensor Error
- P2 — Pipe Sensor Error
- P4 — Drain Float Switch Error
- P5 — Drain Pump Error
- P6 — Freeze Protection
- P8 — Abnormal Pipe Temperature
- P9 — Pipe Temperature Sensor Error (TH5)
- Pb — Indoor Fan Motor Error
- PL — Refrigerant Circuit Abnormality
- U1 — Abnormal High Pressure (63H Tripped)
- U2 — Abnormal Discharge Temperature / Insufficient Refrigerant
- U4 — Outdoor Thermistor Open/Short Circuit
- U6 — Compressor Overcurrent
- U8 — Outdoor Fan Motor Protection Stop
- UF — Compressor Overcurrent (Locked Rotor)
Samsung 6
Sharp 10
- 11-2 — Outdoor Fan Lock Error
- 2-0 — Compressor High Temperature Error
- 20-0 — EEPROM Data Error
- 5-2 — Suction Thermistor Open Circuit
- 6-0 — DC Over Current Error
- 9-4 — Four Way Valve Error
- E1 — High Pressure Protection
- E2 — Indoor Anti-freezing Protection
- E6 — Communication Malfunction
- F1 — Indoor Ambient Temp Sensor Open/Short Circuit