99
16.5.13 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.
Summary of Contents for WH-SHF09F3E5
Page 19: ...19 4 2 Outdoor Unit Air inlet rear Air outlet Air inlet side ...
Page 32: ...32 10 1 2 Solar Printed Circuit Board Optional ...
Page 48: ...48 67 C 67 C 60 C 65 C 63 C 67 C 67 C ...
Page 49: ...49 60 C 60 C 65 C 65 C 72 C ...
Page 55: ...55 67 C 67 C 67 C 67 C ...
Page 56: ...56 67 C 67 C 60 C 60 C 55 C 75 C ...