Ipm(Igbt Module) Over Current Error (E464) - Samsung AE050JXYDEH Service Manual

Troubleshooting

4-5-7 IPM(IGBT module) over current error (E464)

1. Check items
1) Is refrigerant charged?
2) Does the compressor work normally?
3) Is the connection of compressor correctly?
4) Is there any obstacle around indoor and outdoor unit?
2. Check procedure
Is the outdoor unit installed well
according to installation manual?
Is the indoor unit installed well
according to installation manual?
Are the service valves fully opened?
Is the wire of compressor
connected correctly?
Is the value of resistance
between each phase(*) for compressor
smaller than 2
Samsung Electronics
Yes
Yes
Yes
Yes
Ω?
(*) U↔V, V↔W, W↔U
Yes
cont.
No
Reinstall after remove the obstacle
No
Reinstall after remove the obstacle
No
Open the service valves
No
Check the wire of compressor
No
Exchange the compressor
Troubleshooting
43