Samsung AM056FN2DEH Series - Fan Starting Error

Troubleshooting
Samsung Electronics 487
4-4-67 Fan starting error
Outdoor unit display
(FAN PCB(FAN1))
(FAN PCB(FAN2))
Judgment Method
 Startup, and then if the speed increase is not normally.
 Detected by H/W or S/W
Cause of problem
 Compressor connection error
 Defective Compressor
 Defective PCB
Power Off and then Restart
Replace Fan PCB
Yes
Is the resistance
value between different phases of
an Motor (U↔V,V↔W,W↔U)
less than 10?
Replace Fan Motor
No
Yes
Is the resistance between the body of
Fan Motor and chassis M?
Replace Fan Motor
No
Yes
Does the Compressor connection
wire properly connect?
Check the connection wire
No
1.
Cause of problem