Fan Motor Starting Error - Samsung AM080FX A Series Service Manual

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)

4-3-41 Fan motor 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 problem ∙ Defective FAN motor.
∙ Defective PBA.
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
Samsung Electronics
(FAN PBA(FAN1))
(FAN PBA(FAN2))
Is the resistance
less than 10Ω?
Yes
Is the resistance
and chassis MΩ?
Yes
connect?
Yes
Replace Fan PBA
No
Replace Fan Motor
No
Replace Fan Motor
No
Check the connection wire
200