Read Panasonic WH-MXC16G9E8 Service Manual online
114
16.5.22 Compressor Overheating (F20)
Malfunction Decision Conditions:
During operation of cooling and heating, when temperature above 107°C is detected by the compressor tank
temperature sensor.
temperature sensor.
Malfunction Caused:
1. Faulty compressor tank temperature sensor.
2. 2/3 way valve closed.
3. Refrigerant shortage (refrigerant leakage).
4. Clogged expansion valve or strainer.
5. Faulty outdoor unit PCB (main).
6. Faulty compressor.
2. 2/3 way valve closed.
3. Refrigerant shortage (refrigerant leakage).
4. Clogged expansion valve or strainer.
5. Faulty outdoor unit PCB (main).
6. Faulty compressor.
Abnormality Judgment:
Continue 4 times in 30 minutes.
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