Fan Speed Has Been Out Of Control Diagnosis And Solution (E3/F5) - Midea DLCERAA12AAJ Service Manual

DIAGNOSIS AND SOLUTION (CONT)

Fan speed has been out of control diagnosis and solution (E3/F5)

Error Code
Malfunction decision conditions
Supposed causes
Troubleshooting
Power off, then restart the
unit 2 minutes later
Shut off the power supply,
Rotate the fan by hand.
Check the fan motor wiring
Measure the voltage for the
fan motor from the main
Replace the fan motor
30
When indoor fan speed remains too low (300RPM) for certain time, the unit stops and the LED displays
the failure.
S
Wiring mistake
S
Fan assembly faulty
S
Fan motor faulty
S
PCB faulty
Yes
Yes
Yes
PCB
Yes
Specifications subject to change without notice.
E3/F5
No The unit operates normally.
No
Find the cause and resolve it.
Correct the connections.
No
No Replace the main PCB
No
32808001101