Mitsubishi Air Conditioner Error Codes
Mitsubishi 4235, 4236 Error Code
| Code Text | Description | Cause | Check Procedure |
|---|---|---|---|
| 4235, 4236 | Fan inverter heat sink overheat protection. | Reduced airflow through heat sink. | Fan motor problem. THHS thermistor problem. |
1. Error code definition
Heatsink overheat protection (Detail code 125) (outdoor unit)
2. Error definition and error detection method
Detection of fan INV heatsink temperature (THHS) ≥ 100°C
3. Cause, check method and remedy