Fan Motor Overcurrent Error - Samsung AG042KSVANH Service Manual

4-3-38. Fan Motor Overcurrent error

Outdoor unit display
∙ Occurs when overcurrent flows in the IPM.
Judgment Method
∙ Detected by H/W or S/W
∙ Defective FAN PCB
Cause of problem ∙ Connector error
∙ Defective Motor
1. Inspection Method
Is the resistance value
between different phases of Fan Motor
(U V, V W, W U) less than 10Ω?
Is the resistance between the body of
Fan Motor and chassis MΩ?
Is the Fan Motor wire properly
connected to FAN PCB?
Replace Fan PCB
(FAN PCB(FAN1))
(FAN PCB(FAN2))
Power Off
Yes
Yes
Yes
Yes
FAN Motor Connector
No
No
No
Reconnect wires (Housing – Connector)
Fan PCB wire connection
Hall-sensor Connector
82
Replace Outdoor Fan Motor
Replace Outdoor Fan Motor
[FAN PCB]
Hall-sensor Connector