Error Due To Over Voltage / Low Voltage Of Inverter Pba 1. (E-466) - Samsung AM053FXMDCH Service Manual

3-33. Error due to over voltage / low voltage of inverter PBA 1. (E-466)

Outdoor unit Display
Judgement Method
Cause of problem
Power Off
380V is the voltage between
terminal blocks R , S, T wire?
Did the EMI PCB Fuse is short?
Replace Fuse, if the rectier diode of the
inverter PCB is normal.
72
Yes
Yes
E-466
No
Remove foreign objects.
*Cold heat sink assembly defect occurs.
No
Replace Inverter PCB and then restart it.
* Check the 3 -phase sensing circuit part.
Samsung Electronics