Troubleshooting
4-62 Samsung Electronics
4-3-41 Fan starting error
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 FAN Motor
connection wire properly
connect?
Check the connection wire
No
1.
Cause of problem
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
FAN motor connection error.
Defective FAN motor.
Defective PCB .
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