IFB Error Codes
51 IFB fault codes. Select a code for the meaning, cause and fix.
- bc PM2.5 Sensor Failure
- bf TVOC Sensor Failure
- bj Humidity Sensor Failure
- DO Door lock error
- E0 IDU & ODU Communication Failure
- E1 IDU Room Temperature Sensor Failure
- E2 IDU Coil Temperature Sensor Failure
- E3 ODU Coil Temperature Sensor Failure
- E4 AC Cooling System Abnormal
- E5 IDU/ODU Mismatched Failure
- E6 IDU PG Fan Motor Works Abnormal
- E7 ODU Ambient Temperature Sensor Failure
- E8 ODU Discharge Temperature Sensor Failure
- E9 IPM / Compressor Driving Control Abnormal
- EA ODU Current Test Circuit Failure
- Eb Communication Abnormal Between Main PCB And Display Board
- EE ODU EEPROM Failure
- EF ODU DC Fan Motor Failure
- EU ODU Voltage Test Circuit Abnormal
- F0 Infrared Customer Feeling Test Sensor Failure
- F1 Electric Power Test Module Failure
- F2 Discharge Temperature Sensor Failure Protection
- F3 ODU Coil Temperature Failure Protection
- F4 Cooling System Gas Flow Abnormal Protection
- F5 PFC Protection
- F6 Compressor Lack Of Phase / Anti-Phase Protection
- F7 IPM Module Temperature Protection
- F8 4-Way Valve Reversing Abnormal
- F9 Module Temperature Test Circuit Failure
- FA Compressor Phase Current Test Circuit Failure
- Fb Load Reduction Protection
- FC High Power Consumption Protection
- FE Module Current Protection
- FF Module Temperature Protection
- FH Compressor Driving Protection
- Fj Discharge Over Temperature Protection
- Fn ODU AC Current Protection
- FP Anti-Condensation Protection
- FU Anti-Frost Protection
- Fy Gas Leakage Protection
- OD Door Lock fix
- P0 IPM Module Protection
- P1 Over/Under Voltage Protection
- P2 Over Current Protection
- P4 ODU Discharge Pipe Over Temperature Protection
- P5 Sub-Cooling Protection In Cooling Mode
- P6 Overheating Protection In Cooling Mode
- P7 Overheating Protection In Heating Mode
- P8 Outdoor Over Temperature/Under Temperature Protection
- P9 Compressor Driving Protection
- PA Communication Failure For TOP Flow Unit/Preset Mode Conflict