ABB ACS880 Series Firmware Manual page 487

Code
Warning
(hex)
A8BF ULC underload
warning
Programmable fault:
37.04 ULC underload
actions
A8C0 Fan service counter
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
A984 External warning 4
(Editable message text)
Programmable warning:
31.07 External event 4
source
31.08 External event 4
type
A985 External warning 5
(Editable message text)
Programmable warning:
31.09 External event 5
source
31.10 External event 5
type
AF80 INU-LSU comm loss
Programmable warning:
60.79 INU-LSU comm loss
function
Cause
Selected signal has fallen
below the user underload
curve.
A cooling fan has reached the
end of its estimated lifetime.
See parameters 05.41 and
05.42.
Fault in external device 1.
Fault in external device 2.
Fault in external device 3.
Fault in external device 4.
Fault in external device 5.
DDCS (fiber optic)
communication between
converters (for example, the
inverter unit and the supply
unit) is lost.
Fault tracing 487
What to do
Check for any operating conditions
decreasing the monitored signal (for
example, loss of load if the torque or
current is being monitored).
Check the definition of the load curve
(parameter group 37 User load
Check the auxiliary code. The code
indicates which fan is to be replaced.
0: Main cooling fan
1: Auxiliary cooling fan
2: Auxiliary cooling fan 2
3: Cabinet cooling fan
4: PCB compartment fan
Refer to the hardware manual of the
drive for fan replacement instructions.
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.
Check the external device.
Check setting of parameter
External event 4 source.
Check the external device.
Check setting of parameter
External event 5 source.
Check status of other converter
(parameters 06.36 and 06.39).
Check settings of parameter group
DDCS communication. Check the
corresponding settings in the control
program of the other converter.
Check cable connections. If necessary,
replace cables.
curve).
31.01
31.03
31.05
31.07
31.09
60