Haier AU052FPERA - [71-0,71-1] DC motor blocked

56
Rotate fan motor by
hand to check if there
is obviously ction
Forced the fan in low speed,
measure if it has alternating
voltage between FG and GND
Check the motor and
PCB connection is well
Replace fan motor
Re-connect
Replace the motor
Replace the outdoor PCB
No
No
No
Yes
Yes
Yes
[71-0,71-1 ] DC motor blocked