Service manual
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11.9 Outdoor unit protects
11.10 Indoor unit communication error.
Check the if the signal wire is well connection
Change indoor PCB and check if the error is still exit
Connect the signal wire well or change the
signal wire if
it’s
the problem of the wires.
No
Yes
Indoor PCB failure
No
Outdoor PCB failure, change outdoor PCB
Yes
Check if the power supply is good
Change outdoor PCB and check if the error is still exit
Power supply failure
No
Yes
Outdoor PCB failure
No
Compressor failure
Yes
Содержание CIC-09M1Z
Страница 1: ...MODEL CIC 09M1Z CIH 09M1Z CIC 12M1Z CIH 12M1Z CIC 18M2Z CIH 18M2Z CIC 24M2Z CIH 24M2Z SERVICE MANUAL ...
Страница 13: ...Service manual 10 5 Refrigerant cycle diagram Cooling only Heat pump mode ...
Страница 23: ...Service manual 20 Indoor Outdoor CIC 24M2Z ...
Страница 24: ...Service manual 21 Indoor same with the indoor wiring diagram Outdoor CIH 24M2Z CIC 24M2Z ...