Fan Starting Error - Samsung AM080xXV Series Service Manual

Troubleshooting

4-3-41 Fan starting error

Outdoor unit
display
∙ Startup, and then if the speed increase is not normally.
Judgment
Method
∙ Detected by H/W or S/W
∙ FAN motor connection error.
Cause of
∙ Defective FAN motor.
problem
∙ Defective PCB.
1. Cause of problem
Power Off and then Restart
value between different phases of
an Motor (U ↔ V,V ↔ W,W ↔ U)
between the body of FAN Motor
Does the FAN Motor
connection wire properly
4-66
(FAN PCB(FAN1))
(FAN PCB(FAN2))
Is the resistance
less than 10Ω?
Yes
Is the resistance
and chassis MΩ?
Yes
connect?
Yes
Replace Fan PCB
No
Replace Fan Motor
No
Replace Fan Motor
No
Check the connection wire
Samsung Electronics