Seivice diagnosis
Domestic air conditioner
11.4.4 Outdoor DC fan motor fault
DC fan motor is detected by checking the fan running condition and so on
when the data of EEPROM is error or the EEPROM is damaged
Ŷ
DC fan motor protection dues to the DC fan motor faulty
Ŷ
DC fan motor protection dues to faulty PCB
* Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage
ma
y be occurred.
LED1 flash 9 timesOutdoor diplay
Method of
malfunction detection
Malfunction detection
conditions
Troubleshooting
Supposed causes
49
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