ABB ACS280 Firmware Manual page 337

Code
Warning / Aux. code
(hex)
A8C0 ULC invalid speed
table
A8C1 ULC overload
warning
A8C4 ULC underload
warning
A8C5 ULC invalid
underload table
A8C6 ULC invalid overload
table
A8C8 ULC invalid
frequency table
A981 External warning 1
(Editable message
text)
Programmable
warning:
31.01 External event 1
source
31.02 External event 1
type
A982 External warning 2
(Editable message
text)
Programmable
warning:
31.03 External event
2 source
31.04 External event
2 type
A983 External warning 3
(Editable message
text)
Programmable
warning:
31.05 External event
3 source
31.06 External event
3 type
Cause
User load curve: X-axis
points (speed) are not valid.
User load curve: Signal has
been too long over the
overload curve.
User load curve: Signal has
been too long under the
underload curve.
User load curve: Underload
curve points are not valid.
User load curve: Overload
curve points are not valid.
User load curve: X-axis
points (frequency) are not
valid.
Fault in external device 1.
Fault in external device 2.
Fault in external device 3.
Fault tracing 337
What to do
Check that points fulfill conditions.
37.11 ULC speed table
See parameter
point 1
.
37.03 ULC overload
See parameter
actions
.
37.04 ULC underload
See parameter
actions
.
Check that points fulfill conditions.
37.21 ULC underload
See parameter
point 1
.
Check that points fulfill conditions.
37.31 ULC overload
See parameter
point 1
.
Check that points fulfill conditions. -
37.16 37.17
500.0 Hz < <
37.19 37.20
< < 500.0 Hz. See
37.16 ULC frequency table
parameter
point 1
.
Check the external device.
Check setting of parameter
External event 1 source
Check the external device.
Check setting of parameter
External event 2 source
Check the external device.
Check setting of parameter
External event 3 source
37.18
< <
31.01
.
31.03
.
31.05
.