ABB ACS880 - Page 576

What to doCause
Event name /
Aux. code
Code
(hex)
Check I/O bus wiring, powering of the
nodes and node number settings on the
CIO-01 module.
Communication break noticed on I/O bus.I/O bus
communication
AE90
Parameters of parameter group 208 I/O
bus diagnostics can be used to identify
the nodes that are timing out.
See the auxiliary code for indication of
module IDs that contain fans that have
Warning limit for fan lifetime (parameter
206.08) has been exceeded.
Fan lifetime
exceeded
AE91
exceeded their lifespan. Auxiliary code
is a bit word where bit 0 indicates CIO-01
module assigned to node ID 1.
Replace the failing fan and reset the fan
data via parameter group 207 I/O bus
service.
Check fan feedback. See parameters
206.30…206.33 for individual failing fans.
Fan speed is under limit (parameter
206.06).
Fan speedAE92
See the auxiliary code for node(s) giving
faulty feedback indication for fan(s).
Error in fan speed feedback.Fan speed
feedback error
AE93
Auxiliary code is a bit word where bit 0
indicates CIO-01 module assigned to
node ID 1.
Check fan feedback. Verify the
identification run results against the
tachometer pulse count of the fan
feedback.
Check miniature circuit breaker and
digital input DI5.
Warning related to miniature circuit
breaker. Some of the bits of the MCB
status word are 0.
CIO MCB
monitoring
AE94
Check fuses and digital input DI6.Warning related to fuses.
Some of the bits of the fuse status word
are 0.
CIO fuse
monitoring
AE95
Check digital input DI8.Warning related to digital input DI8.CIO DI8
monitoring
AE97
Check status of other converter
(parameters 6.36 and 6.39 Internal state
machine LSU CW).
DDCS (fiber optic) communication
between converters (for example, the
inverter unit and the supply unit) is lost.
Note that the inverter unit will continue
operating based on the status information
INU-LSU
comm loss
AF80
Check settings of parameter group 60
DDCS communication. Check the
that was last received from the other
converter.
corresponding settings in the control
program of the other converter.
Check cable connections. If necessary,
replace cables.
The auxiliary code specifies the original
warning code in the supply unit control
The supply unit (or other converter) has
generated a warning.
Line side unit
warning
AF85
program. See section Auxiliary codes for
line-side converter warnings (page 582).
Informative warning. See section Process
PID control, and parameters
40.41…40.48.
The drive is entering sleep mode.Process PID
sleep mode
AF8C
576 Fault tracing