ABB ACS880 - Page 557

What to doCause
Event name /
Aux. code
Code
(hex)
Check status of other converter
(parameter group 6 Control and status
words).
DDCS (fiber optic) communication
between converters (for example, the
inverter unit and the supply unit) is lost.
INU-LSU
comm loss
7580
Check settings of parameter group 60
DDCS communication. Check the
corresponding settings in the control
program of the other converter.
Check cable connections. If necessary,
replace cables.
Check status of controller. See user
documentation of controller.
DDCS (fiber optic) communication
between drive and external controller is
lost.
DDCS
controller
comm loss
7581
Check settings of parameter group 60
DDCS communication.
Check cable connections. If necessary,
replace cables.
See A7CB M/F comm loss (page 572).
Master/follower communication is lost.M/F comm loss7582
The auxiliary code specifies the original
fault code in the supply unit control
The supply unit (or other converter)
connected to the inverter unit has
generated a fault.
Line side unit
faulted
7583
program. See section Auxiliary codes for
line-side converter faults (page 584).
Check that communication to the supply
unit has been activated by 95.20 HW
options word 1.
The supply unit was not ready (ie. the
main contactor/breaker could not be
closed) within expected time.
LSU charge
failed
7584
Check setting of parameter 94.10 LSU
max charging time.
Check that the supply unit is enabled,
allowed to start, and can be controlled
by the inverter unit (eg. not in local
control mode).
See A8BF ULC underload (page 575).
Selected signal has fallen below the user
underload curve.
ULC underload8001
See A8BE ULC overload (page 575).
Selected signal has exceeded the user
overload curve.
ULC overload8002
Check the auxiliary code (format XXXX
XYZZ). “Y” specifies the location of the
An analog signal is outside the limits
specified for the analog input.
AI Supervision80A0
input (0: Control unit, 1: I/O extension
module 1, 2: I/O extension module 2, 3:
I/O extension module 3). “ZZ” specifies
the limit (01: AI1 under minimum, 02: AI1
above maximum, 03: AI2 under
minimum, 04: AI2 above maximum).
Check signal level at the analog input.
Check the wiring connected to the input.
Check the minimum and maximum limits
of the input in parameter group 12
Standard AI.
Check the source of the fault (parameter
32.7 Supervision 1 signal).
Fault generated by the signal supervision
1 function.
Signal
supervision
80B0
Check the source of the fault (parameter
32.17 Supervision 2 signal).
Fault generated by the signal supervision
2 function.
Signal
supervision 2
80B1
Fault tracing 557