Error Code 4250 - Mitsubishi Electric PQHY-P72TYHMU-A Service Handbook

[ IX Troubleshooting ]
1. Error Code
4250 (THMU-A)
IPM error (Detail code 101)
2. Error definition and error detection method
IPM error signal is detected.
3. Cause, check method and remedy
Cause
(1) Inverter output related
Refer to section -6- "Inverter (THMU-A)" under part [4] Troubleshooting Principal Parts for error codes related to the
inverter.(page 328)
1. Error Code
4250 (YHMU-A)
IPM error (Detail code 101)
2. Error definition and error detection method
IPM error signal is detected.
3. Cause, check method and remedy
Cause
(1) Inverter output related
Refer to section -6- "Inverter (YHMU-A)" under part [4] Troubleshooting Principal Parts for error codes related to the
inverter.(page 333)
HWE09080
Check method and remedy
Refer to IX [4] -6- (2) [1]-[4].(page 330)
Check method and remedy
Refer to IX [4] -6- (2) [1]-[4].(page 335)
Check the IGBT module resistance value of the INV board, if no
problems are found.
(Refer to the Trouble shooting for IGBT module)
- 255 - GB