Troubleshooting and Maintenance
6-8 | CFW-11M G2
6
Fault/Alarm
Description
Possible Causes
A345:
High Load IGBT U B1
Alarm of overload on the IGBT of phase U of
book 1.
High current in the inverter output (refer to
F346:
Overload on IGBT U B1
Fault of overload on the IGBT of phase U of book
1.
A348:
High Load IGBT V B1
Alarm of overload on the IGBT of phase V of
book 1.
F349:
Overload on IGBT V B1
Fault of overload on the IGBT of phase V of book
1.
A351:
High Load IGBT W B1
Alarm of overload on the IGBT of phase W of
book 1.
F352:
Overload on IGBT W B1
Fault of overload on the IGBT of phase W of
book 1.
A354:
High Load IGBT U B2
Overload alarm on IGBT of phase U of
book 2.
F355:
Overload on IGBT U B2
Fault of overload on the IGBT of phase U of book
2.
A357:
High Load IGBT V B2
Alarm of overload on the IGBT of phase V of book
2.
F358:
Overload on IGBT V B2
Fault of overload on the IGBT of phase V of
book 2.
A360:
High Load IGBT W B2
Alarm of overload on the IGBT of phase W of book
2.
F361:
Overload on IGBT W B2
Fault of overload on the IGBT of phase W of book
2.
A363:
High Load IGBT U B3
Alarm of overload on the IGBT of phase U of book
3.
F364:
Overload on IGBT U B3
Fault of overload on the IGBT of phase U of book
3.
A366:
High Load IGBT V B3
Alarm of overload on the IGBT of phase V of book
3.
F367:
Overload on IGBT V B3
Fault of overload on the IGBT of phase V of book
3.
A369:
High Load IGBT W B3
Alarm of overload on the IGBT of phase W of book
3.
F370:
Overload on IGBT W B3
Fault of overload on the IGBT of phase W of book
3.
A372:
High Load IGBT U B4
Alarm of overload on the IGBT of phase U of book
4.
F373:
Overload on IGBT U B4
Fault of overload on the IGBT of phase U of book
4.
High current in the inverter output (refer to
A375:
High Load IGBT V B4
Alarm of overload on the IGBT of phase V of book
4.
F376:
Overload on IGBT V B4
Fault of overload on the IGBT of phase V of book
4.
A378:
High Load IGBT W B4
Alarm of overload on the IGBT of phase W of book
4.
F379:
Overload on IGBT W B4
Fault of overload on the IGBT of phase W of book
4.
A381:
High Load IGBT U B5
Alarm of overload on the IGBT of phase U of book
5.
F382:
Overload on IGBT U B5
Fault of overload on the IGBT of phase U of book
5.
A384:
High Load IGBT V B5
Alarm of overload on the IGBT of phase V of book
5.
F385:
Overload on IGBT V B5
Fault of overload on the IGBT of phase V of book
5.
A387:
High Load IGBT W B5
Alarm of overload on the IGBT of phase W of book
5.
F388:
Overload on IGBT W B5
Fault of overload on the IGBT of phase W of book
5.
