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[ IX Troubleshooting ]
- 185 -
HWE09120 GB
1. Error Code
IPM error (Detail code 101)
2. Error definition and error detection method
In the case of 4250
P72 model
Overcurrent is detected by the overcurrent detection resistor (RSH) on the INVboard.
P96, P120, P144 models
IPM error signal is detected.
In the case of 4255
IPM error signal is detected.
3. Cause, check method and remedy
In the case of 4250
P72 model
P96, P120, P144 models
In the case of 4255
Refer to section -6- "Inverter (TJMU-A)" under part [4] Troubleshooting Principal Parts for error codes related to the
inverter.(page 251)
4250
4255
(TJMU-A)
Cause Check method and remedy
(1) Inverter output related Refer to IX [4] -6- (2) [1] - [4].(page 253)
Cause Check method and remedy
(1) Inverter output related Refer to IX [4] -6- (2) [1] - [4].(page 253)
(2) Same as 4230 error Same as 4230 error
Cause Check method and remedy
(1) Fan motor abnormality Refer to IX [4] -6- (2) [5].(page 255)
(2) Fan board failure Refer to IX [4] -6- (2) [6].(page 255)
(3) Electromagnetic contactor (52F)
actuation failure (P120, P144 on-
ly)
Check the wiring between the FAN board, 52F, and fan motor.
(page 243)