Daikin Error Codes

27 Daikin fault codes. Select a code for the meaning, cause and fix.

• 00 Normal
• A1 Indoor PCB Defectiveness
• A5 Freeze-Up Protector
• A6 Fan Motor Fault
• C4 Faulty Heat Exchanger Temperature Sensor
• C9 Faulty Suction Air Temperature Sensor
• E1 Circuit Board Fault
• E5 OL Started
• E6 Faulty Compressor Start Up
• E7 DC Fan Motor Fault
• E8 Overcurrent Input
• F3 High Temperature Discharge Pipe Control
• F6 High Pressure Control (In Cooling)
• F8 Operation Halt Due To Compressor Internal Temperature Abnormality
• H0 Sensor Fault
• H6 Operation Halt Due To Faulty Position Detection Sensor
• H8 DC Current Sensor Fault
• H9 Faulty Suction Air Temperature Sensor
• J3 Faulty Discharge Pipe Temperature Sensor
• J6 Faulty Heat Exchanger Temperature Sensor
• L3 Electrical Parts Heat Fault
• L4 High Temperature At Inverter Circuit Heatsink
• L5 Output Overcurrent
• P4 Faulty Inverter Circuit Heatsink Temperature Sensor
• U0 Refrigerant Shortage
• U2 Drop Voltage or Main Circuit Overvoltage
• UA Failure of Transmission Between Indoor and Outdoor Unit