Ipm Overheating Error (E500) - Samsung AE090JXYDEH Service Manual

4-2-9 IPM overheating error (E500)

1. Check items
1) Can the Heatsink at the control-box be cool ?
2) Are the PCB and the Heatsink combined well?
2. Check procedure
Check the bottom of the control box.
Is anything blocking heatsink?
Are the PCB and Heatsink
combined well ?
Replace the INVERTER PCB.
Samsung Electronics
No
Yes
Remove the obstacles.
Yes
Check the air flow when the fan starts
No
Tighten screw up at inverter PCB.
Troubleshooting
to operate.
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