Troubleshooting
Samsung Electronics
53
4-2-7 Current trip errors (E462, E463, E464, E465)
Primary current trip error(E462), Over current trip / PFC over current error(E463), IPM over current error (E464),
Compressor voltage limit error (E465)
1. Check items
1) Is the voltage of power suitable?
2) Is refrigerant charged?
3) Does the OUTDOOR UNIT fan operate normally?
4) Is there any obstacle around OUTDOOR UNIT?
2. Check procedure
Is the OUTDOOR UNT installed
as the installation manual guides?
Reset the power
Yes
No
Re-install as manual guides
Is the resistance between each phase(*)
of compressor smaller than 2Ω?
Yes
No
Replace the compressor.
Does the resistance lie in range
of several megaohms(MΩ) between compressor
and the OUTDOOR UNIT body?
Yes
No
Yes
No
Check the compressor wire.
(*) U
↔
V, V
↔
W, W
↔
U
Replace the compressor.
Is the wire of compressor
connected correctly?
Yes
No
Replace the compressor
Is there any abnormal operation?
(ex. abnormal noise,
over-vibration and etc)
Power off and replace the INVERTER PCB