Samsung AM053FXMDCH - Error Due to over Voltage; Low Voltage of Inverter PBA 1. (E-466)

72 Samsung Electronics
3-33. Error due to over voltage / low voltage of inverter PBA 1. (E-466)
Outdoor unit Display E-466
Judgement Method
t/QIBTFXJSJOHFSSPSBOE&.*'VTFTIPSU
t%$-JOL0WFSWPMUBHF-PXWPMUBHFPDDVST
Cause of problem
t$IFDLUIFJOQVUXJSJOH
t&.*'VTFTIPSU
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.
Remove foreign objects.
*Cold heat sink assembly defect occurs.
Replace Inverter PCB and then restart it.
* Check the 3 -phase sensing circuit part.
Yes
No
Yes
No