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Service diagnosis
36
Domestic air conditioner
10.3.4 Outdoor DC fan motor fault
Outdoor display LED1 flash
9 times
Method of
DC fan motor is detected by checking the fan running condition and so on
Malfunction
Detection
Malfunction
when the detected rotation feedback signal don’t received in 2 minutes
Decision
Conditions
Supposed
DC fan motor protection dues to the DC fan motor faulty
Causes
DC fan motor protection dues to faulty PCB
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage
may be occurred.