Panasonic WH-SDF07C3E5 Service Manual page 110
Indoor & outdoor unit air-to-water heatpump
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Also See for WH-SDF07C3E5:
- Operating instructions manual (76 pages) ,
- Service manual (158 pages) ,
- Design handbook (132 pages)
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17.5.25. Outdoor Pipe Temperature Sensor Abnormality (F42)
Malfunction Decision Conditions:
During startup and operation of heating, the temperatures detected by the outdoor pipe temperature sensor are used to
determine sensor error.
Malfunction Caused:
1. Faulty connector connection.
2. Faulty sensor.
3. Faulty outdoor unit PCB.
Abnormality Judgment:
Continue for 5 seconds.
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