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.
| Code | Meaning | Applies 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 |