ABB DCS 600 MultiDrive - Page 71

Chapter 4 - Signals and Troubleshooting
DCS 600 Operating Instructions IV F 4 - 7
Code
seven
segm.
display
Text on
LCD of control panel
CDP 312
(or DRIVES WINDOW)
Definition /
Action
Status
signal
(FAULT_WORD_
1/2/3)
Remark
F 30 30 MAIN OVLT
Mains supply overvoltage (AC)
Mains voltage > 130% of nominal value
(parameter
[P 42.06]) for longer than 10s.
Fault tracing see Fault Code
F 29.
9.01 bit 12
(1)
F 31 31 NO SYNC Synchronization fault (of mains)
Check: - Mains supply, fuses etc.;
- Mains voltage and stability.
9.01 bit 13
(3)
F 32
32 FEX1 OCUR
FIELD EXCITER 1 (field supply 1) overcurrent
Check: - FIELD1_OVERCUR_LEV
(parameter [P 20.16]);
- Connections of field exciter as
well as insulation level of cable
and of field winding.
9.01 bit 14 (1)
F 33
33 FEX1 COMM
FIELD EXCITER 1 communication error
Check: - Flat cable connections X14: or
cable X16: between SDCS-
CON-2 board and field exciter;
- Auxil. voltage for ext. field exciter.
9.01 bit 15 (1)
F 34
34 CURR RIPP
Armature current ripple
One or several thyristors carry no current.
Check: - Current feedback with oscilloscope
(6 pulses within one cycle visible?);
- Branch fuses, thyristor gate con-
nection and gate-cathode resis-
tance;
- See also parameters
[P 43.10],
[P 43.11], and [P 43.12]
9.02 bit 0
(3)
F 35 35 FEX2 OCUR
FIELD EXCITER 2 (field supply 2) overcurrent
Check: - FIELD2_OVERCUR_LEV
(parameter [P 20.17]);
- Connections of field exciter as
well as insulation level of cable
and of field winding.
9.02 bit 1
(1)
F 36 36 FEX2 COMM
FIELD EXCITER 2 communication error
{See Fault Code F 33}
9.02 bit 2
(1)