18
Fault tracing
6481
Task overload
Internal fault.
Reboot the control unit (using parameter
96.08
Control board boot
) or by cycling
power. If the problem persists, contact
your local ABB representative
6487
Stack overflow
Internal fault.
Reboot the control unit (using parameter
96.08
Control board boot
) or by cycling
power. If the problem persists, contact
your local ABB representative
64A1
Internal file load
File read error.
Reboot the control unit (using parameter
96.08
Control board boot
) or by cycling
power. If the problem persists, contact
your local ABB representative
64A4
Rating ID fault
Rating ID load error.
Contact your local ABB representative.
64B1
Internal SSW fault
Internal fault.
Reboot the control unit (using parameter
96.08
Control board boot
) or by cycling
power. If the problem persists, contact
your local ABB representative.
64B2
User set fault
Loading of user parameter set
failed because
• requested set does not exist
• set is not compatible with
control program
• drive was switched off
during loading.
Ensure that a valid user parameter set
exists. Reload if uncertain.
64B3
Macro
parameterization error
Macro parameterization failed,
eg. because parameter default
value that cannot be changed
has been attempted to write.
64E1
Kernel overload
Operating system error.
Reboot the control unit (using parameter
96.08
Control board boot
) or by cycling
power. If the problem persists, contact
your local ABB representative.
64B1
Fault reset
A fault has been reset. The
cause of the fault no longer
exists and the fault reset has
been requested and
completed.
Informative fault.
6581
Parameter system
Parameter load or save failed.
Try forcing a save using parameter
96.07
Parameter save manually
. Retry.
6591
Backup/Restore
timeout
During backup creating or
restoring operation a panel or
PC-tool has failed to
communicate with the drive as
part this operation.
Check panel or PC-tool communication
and if it is still in backup or restore state.
65A1
FBA A parameter
conflict
The drive does not have a
functionality requested by
PLC, or requested functionality
has not been activated.
Check PLC programming.
Check settings of parameter groups
50
Fieldbus adapter (FBA)
and
51 FBA A
settings
.
6681
EFB comm loss
Programmable fault:
58.14
Communication loss
action
Communication break in
embedded fieldbus (EFB)
communication.
Check the status of the fieldbus master
(online/offline/error etc.).
Check cable connections to the
EIA-485/X5 terminals 29, 30 and 31 on
the control unit.
Code
(hex)
Fault / Aux. code
Cause
What to do
