ABB ACS560 Quick Installation And Start-Up Manual page 149

Code Warning/Aux
(hex) code (aux code
visible only on
assistant con-
trol panel and
drive composer)
0002
0003
0004
A8BF ULC underload
warning
0001
0002
0003
0004
Cause
Overload occurred
between speed point 37.12
ULC speed table point 2
and 37.13 ULC speed table
point 3.
Overload occurred
between speed point 37.13
ULC speed table point 3
and 37.14 ULC speed table
point 4.
Overload occurred
between speed point
37.14 ULC speed table
point 4 and 37.15 ULC
speed table point 5.
User load curve: Signal has
been too long under the
underload curve.
Underload occurred
between speed point 37.11
ULC speed table point 1
and 37.12 ULC speed table
point 2.
Underload occurred
between speed point 37.12
ULC speed table point 2
and 37.13 ULC speed table
point 3.
Underload occurred
between speed point 37.13
ULC speed table point 3
and 37.14 ULC speed table
point 4.
Underload occurred
between speed point
37.14 ULC speed table
point 4 and 37.15 ULC
speed table point 5.
Diagnostics 149
What to do
Check the load.
Check the load.
Check the load.
See parameter 37.04 ULC underload
actions.
Check the load.
Check the load.
Check the load.
Check the load.
EN
HI