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 data of EEPROM is error or the EEPROM is damaged
Decision
Conditions
Supposed Ƶ DC fan motor protection dues to the DC fan motor faulty
Causes
Ƶ 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.
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