What to do
Cause
Event name /
Aux. code
Code
(hex)
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
.
Check cable connections. If necessary,
replace cables.
See
.
Master/follower communication is
lost.
M/F comm
loss
7582
The auxiliary code specifies the
original fault code in the supply unit
The supply unit (or other converter)
connected to the inverter unit has
generated a fault.
Line side unit
faulted
7583
control program. See section
codes for line-side converter
faults (page 700)
.
Check that communication to the
supply unit has been activated by
.
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
.
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
.
Selected signal has fallen below the
user underload curve.
ULC
underload
8001
See
Selected signal has exceeded the user
overload curve.
ULC overload
8002
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 Supervision
80A0
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
Check the source of the fault
(parameter
Fault generated by the signal
supervision 1 function.
Signal
supervision
80B0
Check the source of the fault
(parameter
Fault generated by the signal
supervision 2 function.
Signal
supervision 2
80B1
Check the source of the fault
(parameter
Fault generated by the signal
supervision 3 function.
Signal
supervision 3
80B2
Check the external device.
Fault in external device 1.
External fault
1
9081
Check setting of parameter
670 Fault tracing
Содержание ACS880 Series
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