ABB ACS880 Firmware Manual page 669

Code Event name /
(hex) Aux. code
0004
0005
73B0 Emergency
ramp failed
73B1 Stop failed
73F0 Overfrequency
7510 FBA A
communication
7520 FBA B
communication
7580 INU-LSU
comm loss
Cause
Encoder not configured.
Encoder stopped working.
Emergency stop did not finish within
expected time.
Ramp stop did not finish within
expected time.
Maximum allowed output frequency
exceeded.
Cyclical communication between drive
and fieldbus adapter module A or
between PLC and fieldbus adapter
module A is lost.
Cyclical communication between drive
and fieldbus adapter module B or
between PLC and fieldbus adapter
module B is lost.
DDCS (fiber optic) communication
between converters (for example, the
inverter unit and the supply unit) is
lost.
Fault tracing 669
What to do
Check encoder settings
1 configuration or
configuration).
Use parameter 91.10 Encoder
parameter refresh) to validate any
changes in the settings.
Check encoder status.
Check the settings of parameters
Emergency ramp supervision
Emergency ramp supervision
Check the predefined ramp times
(23.11...23.19 for mode Off1,
mode Off3).
Check the settings of parameters
Ramp stop supervision
Ramp stop supervision
Check the predefined ramp times in
parameter group 23 Speed reference
ramp.
Without a dual-use license, the fault
limit is 598 Hz. Contact your local ABB
representative for dual-use licensing
information.
Check status of fieldbus
communication.
See user documentation of fieldbus
interface.
Check settings of parameter groups
50 Fieldbus adapter (FBA),
settings, 52 FBA A data in
A data out.
Check cable connections.
Check if communication master is able
to communicate.
Check status of fieldbus
communication.
See user documentation of fieldbus
interface.
Check settings of parameter group
Fieldbus adapter (FBA).
Check cable connections.
Check if communication master is able
to communicate.
Check status of other converter
(parameter group 6 Control and status
words).
Check settings of parameter group
DDCS communication. Check the
corresponding settings in the control
program of the other converter.
Check cable connections. If necessary,
replace cables.
(92 Encoder
93 Encoder 2
31.32
and 31.33
delay.
23.23 for
31.37
and 31.38
delay.
51 FBA A
and 53 FBA
50
60