ABB ACS560 Firmware Manual page 432
General purpose drives
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432 Fault tracing
Fault / Aux. code
Code
code visible only on
(hex)
assistant control panel
and drive composer)
7310
Overspeed
73B0
Emergency ramp
failed
73F0
Overfrequency
7510
FBA A communication
Programmable fault:
FBA A comm loss func
8000
Unicos system error
8001
ULC underload fault
(aux
Cause
Motor is turning faster than
highest allowed speed due to
incorrectly set
minimum/maximum speed,
insufficient braking torque or
changes in load when using
torque reference.
Emergency stop did not finish
within expected time.
Maximum allowed output
frequency exceeded.
00FA Motor is turning faster than the
highest allowed frequency due
to incorrectly set
minimum/maximum frequency
or the motor rushes because of
too high supply voltage or
incorrect supply voltage
selection in parameter
Supply
voltage.
Other -
Cyclical communication
between drive and fieldbus
50.02
adapter module A or between
PLC and fieldbus adapter
module A is lost.
System fault.
User load curve: Signal has
been too long under the
underload curve.
001 Underload occurred between
speed point
37.11 ULC speed
table point 1
and
speed table point
002 Underload occurred between
speed point
37.12 ULC speed
table point 2
and
speed table point
003 Underload occurred between
speed point
37.13 ULC speed
table point 3
and
speed table point
What to do
Check minimum/maximum speed
settings, parameters
speed
and
Check adequacy of motor braking torque.
Check applicability of torque control.
Check need for brake chopper and
resistor(s).
Check the predefined ramp times
(23.11...23.15,
Off1,
23.23
Check the auxiliary code.
Check minimum/maximum frequency
settings, parameters
frequency
frequency.
Check used supply voltage and voltage
selection parameter
voltage.
95.01
Contact your local ABB representative,
quoting the auxiliary code.
Check status of fieldbus communication.
See user documentation of fieldbus
interface.
Check settings of parameter groups
Fieldbus adapter
settings,
data
out.
Check cable connections.
Check if communication master is able to
communicate.
Power cycle.
See parameter
actions.
Check the load.
37.12 ULC
2.
Check the load.
37.13 ULC
3.
Check the load.
37.14 ULC
4.
30.11 Minimum
30.12 Maximum
speed.
23.12...23.13
for mode
for mode Off3).
30.13 Minimum
and
30.14 Maximum
95.01 Supply
(FBA),
51 FBA A
52 FBA A data in
and
53 FBA A
37.04 ULC underload
50
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