![background image](http://html.mh-extra.com/html/abb/dcs-600-multidrive-series/dcs-600-multidrive-series_operating-instructions-manual_4557071.webp)
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)