Midea Advantage Series User Manual

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7.4.1.4 Indoor fan speed malfunction diagnosis and solution.
Malfunction conditions
When indoor fan speed is too low (300RPM) for a certain period of time,
the unit ceases operation and the LED displays a failure code.
Potential causes
● Wiring mistake
● Faulty fan assembly
● Faulty fan motor
● Faulty PCB
Trouble shooting:
Power off, then restart the
unit after 3 minutes. Does
a problem remain?
Shut off the power supply,
Rotate the fan by hand.
Does it turn easily?
The unit is operating normally
Find the cause of the
problem and resolve it
Check the wiring of fan
motor. Is it improperly
wired?
No
Yes
No
Correct the connections.
No
NoReplace the fan motor
Yes
Yes
Measure the voltage for the
fan motor from the main
PCB. Is it within normal
parameters?
Yes
Replace the main PCBNo

Midea Advantage Series Specifications

General

Brand	Midea
Model	Advantage Series
Category	Heat Pump
Language	English