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Troubleshooting
4-4 Case study for trouble shoots (cont.)
4-4-14 Case study – Related error with IPM
Error code
E500 (INV 1) / E400 (INV 2)
Contents
IGBT module over heated error
Error result
1) Loose screw connection between IGBT module and heat sink
Possibility
2) No thermal grease on Heat sink
3) Defect of related electronic component
1) Check status of screws on IGBT module
Treatment
2) Plastering thermal grease to IGBT module or heat sink
3) Change INV PBA
Heat sink
Samsung Electronics
IGBT(IPM) module
Good
Inv. PBA
No Good
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