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[ IX Troubleshooting ]
- 186 -
HWE09120 GB
1. Error Code
IPM error (Detail code 101)
2. Error definition and error detection method
In the case of 4250
Overcurrent is detected by the overcurrent detection resistor (RSH) on the INV board.
In the case of 4255
IPM error signal is detected.
3. Cause, check method and remedy
In the case of 4250
In the case of 4255
Refer to section -6- "Inverter (YJMU-A)" under part [4] Troubleshooting Principal Parts for error codes related to the
inverter.(page 261)
4250
4255
(YJMU-A)
Cause Check method and remedy
(1) Inverter output related Refer to IX [4] -6- (2) [1] - [4].(page 263)
Check the IGBT module resistance value of the INV board, if no
problems are found.
(Refer to the Trouble shooting for IGBT module)
Cause Check method and remedy
(1) Fan motor abnormality Refer to IX [4] -6- (2) [5].(page 264)
(2) Fan board failure Refer to IX [4] -6- (2) [6].(page 264)
(3) Electromagnetic contactor (52F)
actuation failure (P120, P144 on-
ly)
Check the wiring between the FAN board, 52F, and fan motor.
(page 243)