Troubleshooting 10-43 – Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE User Manual
Page 285

TROUBLESHOOTING
10-43
1557-UM050F-EN-P – June 2013
Drive Faults
Fault
Code #
WARNING
MESSAGE
Description
F441
M3C shorted
Thyristor 3C in Machine Converter is shorted.
F442
M3B shorted
Thyristor 3B in Machine Converter is shorted.
F443
M3D shorted
Thyristor 3D in Machine Converter is shorted.
F444
M3E shorted
Thyristor 3E in Machine Converter is shorted.
F445
M3F shorted
Thyristor 3F in Machine Converter is shorted.
F446
M3G shorted
Thyristor 3G in Machine Converter is shorted.
F447
M3H shorted
Thyristor 3H in Machine Converter is shorted.
Drive Faults
Fault
Code #
WARNING
MESSAGE
Description
F448
M4A open
Thyristor 4A in Machine Converter is open.
F449
M4C open
Thyristor 4C in Machine Converter is open.
F450
M4B open
Thyristor 4B in Machine Converter is open.
F451
M4D open
Thyristor 4D in Machine Converter is open.
F452
M4E open
Thyristor 4E in Machine Converter is open.
F453
M4F open
Thyristor 4F in Machine Converter is open.
F454
M4G open
Thyristor 4G in Machine Converter is open.
F455
M4H open
Thyristor 4H in Machine Converter is open.
F456
M4A shorted
Thyristor 4A in Machine Converter is shorted.
F457
M4C shorted
Thyristor 4C in Machine Converter is shorted.
F458
M4B shorted
Thyristor 4B in Machine Converter is shorted.
F459
M4D shorted
Thyristor 4D in Machine Converter is shorted.
F460
M4E shorted
Thyristor 4E in Machine Converter is shorted.
F461
M4F shorted
Thyristor 4F in Machine Converter is shorted.
F462
M4G shorted
Thyristor 4G in Machine Converter is shorted.
F463
M4H shorted
Thyristor 4H in Machine Converter is shorted.
F464
M5A open
Thyristor 5A in Machine Converter is open.
F465
M5C open
Thyristor 5C in Machine Converter is open.
F466
M5B open
Thyristor 5B in Machine Converter is open.
F467
M5D open
Thyristor 5D in Machine Converter is open.
F468
M5E open
Thyristor 5E in Machine Converter is open.
F469
M5F open
Thyristor 5F in Machine Converter is open.
F470
M5G open
Thyristor 5G in Machine Converter is open.
F471
M5H open
Thyristor 5H in Machine Converter is open.
F472
M5A shorted
Thyristor 5A in Machine Converter is shorted.
F473
M5C shorted
Thyristor 5C in Machine Converter is shorted.
F474
M5B shorted
Thyristor 5B in Machine Converter is shorted.
F475
M5D shorted
Thyristor 5D in Machine Converter is shorted.
F476
M5E shorted
Thyristor 5E in Machine Converter is shorted.
F477
M5F shorted
Thyristor 5F in Machine Converter is shorted.
F478
M5G shorted
Thyristor 5G in Machine Converter is shorted.
F479
M5H shorted
Thyristor 5H in Machine Converter is shorted.
F480
M6A open
Thyristor 6A in Machine Converter is open.
F481
M6C open
Thyristor 6C in Machine Converter is open.
F482
M6B open
Thyristor 6B in Machine Converter is open.
F483
M6D open
Thyristor 6D in Machine Converter is open.
F484
M6E open
Thyristor 6E in Machine Converter is open.