Panasonic WH-MXF09D3E8 Service Manual page 86
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Also See for WH-MXF09D3E8:
- Service manual (118 pages) ,
- Operating instructions manual (76 pages) ,
- Design handbook (132 pages)
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16.5.11 Indoor/Outdoor Abnormal Communication (H90)
Malfunction Decision Conditions:
During operation of heating, the data received from outdoor unit in indoor unit signal transmission is checked
whether it is normal.
Malfunction Caused:
1
Faulty outdoor unit PCB (main).
2
Faulty indoor unit PCB (main).
3
Indoor-outdoor signal transmission error due to wrong wiring.
4
Indoor-outdoor signal transmission error due to breaking of wire in the connection wires between the indoor
and outdoor units.
5
Indoor-outdoor signal transmission error due to disturbed power supply waveform.
Abnormality Judgment:
Continue for 1 minute after operation.
86
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