Gree error code F5
What it means
Compressor discharge temperature sensor fault.
Possible causes
Discharge thermistor failure Harness burnt or chafed by hot piping Connector loose at outdoor PCB
Suggested fix
Inspect the discharge sensor and wiring for thermal damage and measure resistance; reroute and insulate wiring as needed and replace the sensor if defective.
Safety first. Isolate the power supply before inspecting any unit. Refrigerant-circuit
and electrical repairs must be carried out by a qualified, registered technician.
Other Gree codes
- C5 — Configuration jumper or PCB setup error.
- E1 — High pressure protection in the refrigeration circuit.
- E3 — Low pressure protection.
- E5 — Overcurrent protection on compressor or main circuit.
- E7 — Mode conflict between indoor and outdoor units.
- F1 — Indoor ambient (room) sensor fault.
- F2 — Indoor evaporator temperature sensor fault.
- F3 — Outdoor ambient temperature sensor fault.
- F4 — Outdoor coil temperature sensor fault.
- H1 — Defrost mode status indication (not a fault).