Fan Motor Overcurrent Error - Samsung AM007FN1DCH/AA Service Manual

Troubleshooting

4-4-79 Fan Motor Overcurrent error

Outdoor unit display
∙ Occurs when overcurrent flows in the IPM.
Judgment Method
∙ Detected by H/W or S/W
∙ Installation error
Cause of problem ∙ Defective Comp
∙ Defective PCB
1. Cause of problem
Is the outdoor unit installed properly?
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?
Does the Fan Motor connection wire
properly connect to the compressor?
FAN Replace PCB.
4-112
(FAN PCB(FAN1))
(FAN PCB(FAN2))
Power Off
Yes
Yes
Yes
Yes
Yes
∙ Connector error
∙ Defective Motor
No
Reinstall after removing obstacle
No
No
Check the connection wire
No
(Check the status of the connection UVW)
Outdoor Fan Motor
Outdoor Fan Motor
Samsung Electronics