Gree air conditioner error codes

Displayed on the indoor unit or remote when a fault is detected. Always isolate power before inspecting a unit — repairs belong to a qualified technician.

CodeMeaningApplies to
C5 Configuration jumper or PCB setup error. All models Details
E1 High pressure protection in the refrigeration circuit. All models Details
E3 Low pressure protection. All models Details
E5 Overcurrent protection on compressor or main circuit. All models Details
E7 Mode conflict between indoor and outdoor units. All models Details
F1 Indoor ambient (room) sensor fault. All models Details
F2 Indoor evaporator temperature sensor fault. All models Details
F3 Outdoor ambient temperature sensor fault. All models Details
F4 Outdoor coil temperature sensor fault. All models Details
F5 Compressor discharge temperature sensor fault. All models Details
H1 Defrost mode status indication (not a fault). All models Details
H3 Compressor overload protection. All models Details
H5 IPM (intelligent power module) protection. All models Details