Fault tracing 351
Fault messages
Code
(hex)
Fault / Aux. code Cause What to do
1080 Backup/Restore
timeout
Panel or PC tool has failed to
communicate with the drive
when backup was being made
or restored.
Request backup or restore again.
1081 Rating ID fault Drive software has not been
able to read the rating ID of the
drive.
Reset the fault to make the drive try to
reread the rating ID.
If the fault reappears, cycle the power
to the drive. You may have to be
repeat this. If the fault persists,
contact your local ABB
representative.
2310 Overcurrent Output current has exceeded
internal fault limit.
In addition to an actual
overcurrent situation, this fault
may also be caused by an
earth fault or supply phase
loss.
Check motor load.
Check acceleration times in
parameter group 23 Speed reference
ramp (speed control) or 28 Frequency
reference chain (frequency control).
Also check parameters 46.01 Speed
scaling, 46.02 Frequency scaling and
46.03 Torque scaling.
Check motor and motor cable
(including phasing and delta/star
connection).
Check there are no contactors
opening and closing in motor cable.
Check that the start-up data in
parameter group 99 corresponds to
the motor rating plate.
Check that there are no power factor
correction capacitors or surge
absorbers in motor cable.
Check for an earth fault in motor or
motor cables by measuring the
insulation resistances of motor and
motor cable. See chapter Electrical
installation, section Checking the
insulation of the assembly in the
Hardware manual of the drive.
2330 Earth leakage
Programmable fault: 31.20
Earth fault
Drive has detected load
unbalance typically due to
earth fault in motor or motor
cable.
Check there are no power factor
correction capacitors or surge
absorbers in motor cable.
Check for an earth fault in motor or
motor cables by measuring the
insulation resistances of motor and
motor cable.
Try running the motor in scalar control
mode if allowed. (See parameter
99.04 Motor control mode.)
If no earth fault can be detected,
contact your local ABB
representative.
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