Panasonic WH-SDF07C3E5 Service Manual page 101

Indoor & outdoor unit air-to-water heatpump
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17.5.16. IPM Overheating (F22)
Malfunction Decision Conditions:
During operation of heating, when temperature 95°C is detected by the outdoor IPM temperature sensor.
Malfunction Caused:
1. Faulty outdoor unit fan motor.
2. Faulty outdoor unit PCB.
Abnormality Judgment:
Continue 3 times in 30 minutes.
101

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