Daikin Error Codes

External protection device activated.

Malfunction of indoor unit PCB (Printed Circuit Board).

Abnormal drainage.

High pressure control in heating or freeze-up protection in cooling.

Fan motor malfunction.

Swing flap motor malfunction.

Electronic expansion valve malfunction.

Malfunction of liquid pipe thermistor for heat exchanger.

Malfunction of suction air thermistor.

Protection devices activated.

Malfunction of outdoor unit PCB.

High pressure sensor (HPS) activated.

Low pressure sensor (LPS) activated.

Overcurrent or compressor motor lock.

Compressor motor overcurrent or lock.

Outdoor fan motor malfunction.

Electronic expansion valve malfunction.

Malfunction of discharge pipe temperature.

Malfunction of outdoor air thermistor.

Refrigerant shortage.

Drop in voltage or main circuit overvoltage.

Failure of transmission between indoor and outdoor units.

Indoor-outdoor unit combination fault.