Troubleshooting
Samsung Electronics
115
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 10Ω?
Replace Fan Motor
No
Yes
Is the resistance between the body of
Fan Motor and chassis MΩ?
Replace Fan Motor
No
Yes
Does the Compressor connection
wire properly connect?
Check the connection wire
No
1. Cause of problem
