Gree error code F1
What it means
Midwall: Indoor ambient (room) sensor fault. CGIF/GCIF inverter cassette: Evaporator temperature sensor malfunction.
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.
- CC — Outdoor drive board memory chip malfunction (replace outdoor drive board if persistent) (CGIF/GCIF inverter cassette).
- E1 — Midwall: High pressure protection in the refrigeration circuit. CGIF/GCIF inverter cassette: Compressor high-pressure protection (high-pressure switch open for 3 s; unit locks out until power reset).
- E2 — Indoor anti-freezing protection (evaporator temperature below protective value; compressor and outdoor fan stop) (CGIF/GCIF inverter cassette).
- E3 — Midwall: Low pressure protection. CGIF/GCIF inverter cassette: Compressor low-pressure / refrigerant-lacking protection (also shown during refrigerant recycling mode).
- E4 — Compressor high discharge temperature protection (locks out after 6 occurrences) (CGIF/GCIF inverter cassette).
- E5 — Overcurrent protection on compressor or main circuit.
- E6 — Communication failure between indoor and outdoor main boards (or display board and indoor unit) (CGIF/GCIF inverter cassette).
- E7 — Mode conflict between indoor and outdoor units.
- E8 — Indoor fan motor malfunction (no fan signal for 30 s; locks out after 6 events in an hour) (CGIF/GCIF inverter cassette).