Haier 1U12BS3ERA Service Manual page 43

11.4.4 Outdoor DC fan motor fault
Outdoor diplay
Method of
malfunction detection
Malfunction detection
conditions
Supposed causes
Troubleshooting
LED1 flash 9 times
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
DC fan motor protection dues to the DC fan motor faulty
DC fan motor protection dues to faulty PCB
* Caution
Be sure to turn off power switch before connect or disconnect connector,
may be occurred.
41
Installations
or parts damage
Domestic air conditioner