Acct Overcurrent (H/W Detection) (Detail Code 102); Dcct Overcurrent (H/W Detection) (Detail Code 103); Instantaneous Overcurrent (Detail Code 106); Overcurrent (Detail Code 107) - Mitsubishi Electric PURY-(E)P200 Service Handbook

[ IX Troubleshooting ]
1. Error Code
4250

ACCT overcurrent (H/W detection) (Detail code 102)

DCCT overcurrent (H/W detection) (Detail code 103)

Instantaneous overcurrent (Detail code 106)

Overcurrent (Detail code 107)

2. Error definition and error detection method
Overcurrent 94Apeak or 22Arm and above is detected (P200 and P250 models) OR 94Apeak or 22Arm and above is detected
(P300-P400 model and above) by the current sensor.
3. Cause, check method and remedy
(1) Inverter output related
Refer to section - 7 - "Inverter" under part [4] "Trouble shooting principal parts" for error codes related to the
inverter.(page 271)
1. Error Code
4250
4255
Short-circuited IPM/Ground fault (Detail code 104)
2. Error definition and error detection method
When IPM/IGBT short damage or grounding on the load side is detected just before starting the inverter.
3. Cause, check method and remedy
In the case of 4250
(1) Grounding fault compressor
(2) Inverter output related
In the case of 4255
(1) Grounding fault of fan motor
(2) Fan board failure
Refer to section - 7 - "Inverter" under part [4] "Trouble shooting principal parts" for error codes related to the
inverter.(page 271)
HWE07130
Cause
Cause
Cause
Check method and remedy
Refer to 9 [4] - 7 - (2) [1] - [4].
Check the IGBT module resistance value of the in-
verter board, if no problems are found.
(Refer to the Trouble shooting for IGBT module)
Check method and remedy
Refer to 9 [4] - 7 - (2) [2].(page 273)
Refer to 9 [4] - 7 - (2) [1]- [4].(page 273)
Check method and remedy
Refer to 9 [4] - 7 - (2) [5].(page 274)
Refer to 9 [4] - 7 - (2) [6].(page 274)
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