Fan Motor Overcurrent Error - Samsung AM006JNFDCH/AA Service Manual

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.
Samsung Electronics
(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)
Troubleshooting
Outdoor Fan Motor
Outdoor Fan Motor
4-113