Midea DLCMB - Page 72

Check the fan three-phase
output for obvious open
circuit
Power off,then restart the unit
2 minutes later.Is it still
displaying the error code?
The unit operates
normally
Check the fan motor wiring
Are all the connections good?
Correct the connections
Check whether the three-
phase resistance of the fan is
symmetrical
Replace the fan motor
Yes
Yes
Yes
No
No
No
Replace the main PCB
No
Problem solved
Yes
DLCM(R/H)B: Service Manual