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Service manual
37
After energizing , the air conditioner can not be operated .
Check if AC 220V power supply outputs to indoor PCB .
Check if AC 220V exists at the primary coil of transformer.
Yes
YES
No
Check if AC 14.5V exists at the secondary coil of transformer .
Indoor PCB is defective.
Take off the secondary plug of transformer , and then check if AC
14.5V exists at the secondary coil of transformer.
No
Yes
Yes
Indoor PCB is defective.
Indoor PCB is defective.
No
Содержание MSV1-09HRDN1
Страница 1: ...Cover MSV1 09HRDN1 MSV1 12HRDN1...
Страница 4: ......
Страница 11: ...Service manual 5 Refrigerant cycle diagram 7...
Страница 13: ...Service manual 7 Schematic diagram and Wiring diagram 7 1 Schematic diagram 7 1 1 Display board 9...
Страница 14: ...Service manual 7 1 2 Indoor main PCB 10...
Страница 15: ...Service manual 7 1 3 Outdoor main PCB 11...
Страница 16: ...Service manual 7 1 4 Outdoor power PCB 12...
Страница 17: ...Service manual 7 2 Wiring diagram 7 2 1 MSV1 09HRDN1 MSV1 12HRDN1 13...