6
CFW-11M RB |6-5
Troubleshooting and Maintenance
Fault/Alarm
Description
Possible Causes
A345:
High Load at IGBT U B1
Overload alarm at book 1 U phase IGBT.
;
High current at the converter output (see Table
8.1).
F346:
Overload at IGBT U B1
Overload fault at book 1 U phase IGBT.
A348:
High Load at IGBT V B1
Overload alarm at book 1 V phase IGBT.
F349:
Overload at IGBT V B1
Overload fault at book 1 V phase IGBT.
A351:
High Load at IGBT W B1
Overload alarm at book 1 W phase IGBT.
F352:
Overload at IGBT W B1
Overload fault at book 1 W phase IGBT.
A354:
High Load at IGBT U B2
Overload alarm at book 2 U phase IGBT.
F355:
Overload at IGBT U B2
Overload fault at book 2 U phase IGBT.
A357:
High Load at IGBT V B2
Overload alarm at book 2 V phase IGBT.
F358:
Overload at IGBT V B2
Overload fault at book 2 V phase IGBT.
A360:
High Load at IGBT W B2
Overload alarm at book 2 W phase IGBT.
F361:
Overload at IGBT W B2
Overload fault at book 2 W phase IGBT.
A363:
High Load at IGBT U B3
Overload alarm at book 3 U phase IGBT.
F364:
Overload at IGBT U B3
Overload fault at book 3 U phase IGBT.
A366:
High Load at IGBT V B3
Overload alarm at book 3 V phase IGBT.
F367:
Overload at IGBT V B3
Overload fault at book 3 V phase IGBT.
A369:
High Load at IGBT W B3
Overload alarm at book 3 W phase IGBT.
F370:
Overload at IGBT W B3
Overload fault at book 3 W phase IGBT.
;
High current at the converter output (see Figure
8.1).
A372:
High Load at IGBT U B4
Overload alarm at book 4 U phase IGBT.
F373:
Overload at IGBT U B4
Overload fault at book 4 U phase IGBT.
A375:
High Load at IGBT V B4
Overload alarm at book 4 V phase IGBT.
F376:
Overload at IGBT V B4
Overload fault at book 4 V phase IGBT.
A378:
High Load at IGBT W B4
Overload alarm at book 4 W phase IGBT.
F379:
Overload at IGBT W B4
Overload fault at book 4 W phase IGBT.
A381:
High Load at IGBT U B5
Overload alarm at book 5 U phase IGBT.
F382:
Overload at IGBT U B5
Overload fault at book 5 U phase IGBT.
A384:
High Load at IGBT V B5
Overload alarm at book 5 V phase IGBT.
F385:
Overload at IGBT V B5
Overload fault at book 5 V phase IGBT.
A387:
High Load at IGBT W B5
Overload alarm at book 5 W phase IGBT.
F388:
Overload at IGBT W B5
Overload fault at book 5 W phase IGBT.
