Service manual
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11.4 Resetting phenomenon often occurs during operation.
(That is automatically entering to the status when power is on.)
The reason is that the instantaneous voltage of main chip is less than 4.5V. Check according to the following procedure:
Resetting phenomenon often occurs during operation.
After changing indoor PCB, check if the failure realease.
Yes
After changing indoor fan motor, check if the failure realease.
Yes
YES
Yes
Power supply circuit has problems.
Indoor PCB is defective.
11.5 Indoor fan speed out of control .
Just for 9K and 12K type when indoor fan speed has been out of control for over 1 minute
Is connector connection good?
Is voltage being applied to the fan motor?
Fan motor is defective
Yes
No
Repair the connector.
No
Indoor PCB is defective.
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 ...