Alliance error code F2
What it means
Indoor evaporator temperature sensor fault.
Possible causes
Coil sensor open or short Sensor dislodged from coil Harness fault
Suggested fix
Inspect sensor placement and harness, measure resistance at known temperatures; repair or replace the sensor and wiring as necessary.
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 Alliance codes
- E1 — Communication error between indoor and outdoor units (Midea-platform logic).
- E2 — Indoor temperature or evaporator sensor error.
- E3 — Refrigerant leak or low capacity protection.
- E4 — Compressor or discharge temperature error.
- E5 — Fan motor fault.
- EC — Refrigerant leakage alarm.
- F0 — Low refrigerant protection.
- F1 — Indoor ambient temperature sensor fault.
- F3 — Outdoor ambient temperature sensor fault.