Panasonic WH-SDF09C3E5 Service Manual page 100
Air-to-water heatpump
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Also See for WH-SDF09C3E5:
- Service manual (146 pages) ,
- Design handbook (132 pages) ,
- Operating instructions manual (92 pages)
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17.5.5 Water Flow Switch Abnormality (H62)
Malfunction Decision Conditions:
During operation of cooling and heating, the water flow detected by the indoor water flow switch is used to
determine water flow error.
Malfunction Caused:
1
Faulty water pump.
2
Water leak in system.
3
Faulty connector connection.
4
Faulty water flow switch.
5
Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 10 seconds (but no judgment for 9 minutes after compressor startup/restart).
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