Troubleshooting
Samsung Electronics
171
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
Possibility
1) Loose screw connection between IGBT module and heat sink
2) No thermal grease on Heat sink
3) Defect of related electronic component
Treatment
1) Check status of screws on IGBT module
2) Plastering thermal grease to IGBT module or heat sink
3) Change INV PBA
Heat sink
IGBT(IPM) module
Inv. PBA
Good
No Good
4-4 Case study for trouble shoots (cont.)
