ABB ACS880-104

Fault tracing 585
AF85 Line side unit warning The supply unit (or other
converter) has generated a
warning.
The auxiliary code specifies the original
warning code in the supply unit control
program. Refer to the firmware manual of
the supply unit.
AF8C Process PID sleep
mode
The drive is entering sleep
mode.
Informative warning. See section Sleep
function for process PID control (page
104), and parameters 40.41…40.48.
AF90 Speed controller
autotuning
The speed controller autotune
routine did not complete
successfully.
Check the auxiliary code (format XXXX
YYYY). “YYYY” indicates the problem
(see actions for each code below).
0000 The drive was stopped before
the autotune routine finished.
Repeat autotune until successful.
0001 The drive was started but was
not ready to follow the
autotune command.
Make sure the prerequisites of the
autotune run are fulfilled. See section
Before activating the autotune routine
(page 81).
0002 Required torque reference
could not be reached before
the drive reached maximum
speed.
Decrease torque step (parameter 25.38)
or increase speed step (25.39).
0003 Motor could not
accelerate/decelerate to
maximum/minimum speed.
Increase torque step (parameter 25.38)
or decrease speed step (25.39).
0005 Motor could not decelerate
with full autotune torque.
Decrease torque step (parameter 25.38)
or speed step (25.39).
AFAA Autoreset A fault is about to be autoreset. Informative warning. See the settings in
parameter group 31 Fault functions.
AFE1 Emergency stop (off2) Drive has received an
emergency stop (mode
selection off2) command.
Check that it is safe to continue
operation. Reset the source of the
emergency stop signal (such as an
emergency stop push button). Restart
drive.
If the emergency stop was unintentional,
check the source of the stop signal (for
example, 21.05 Emergency stop source,
or control word received from an external
control system).
(Follower drive in a
master/follower configuration)
Drive has received a stop
command from the master.
Informative warning. After stopping on a
ramp stop (Off1 or Off3) command, the
master sends a short, 10-millisecond
coast stop (Off2) command to the
follower(s). The Off2 stop is stored in the
event log of the follower.
AFE2 Emergency stop (off1
or off3)
Drive has received an
emergency stop (mode
selection Off1 or Off3)
command.
Check that it is safe to continue
operation. Reset the source of the
emergency stop signal (such as an
emergency stop push button). Restart
drive.
If the emergency stop was unintentional,
check the source of the stop signal (for
example, 21.05 Emergency stop source,
or control word received from an external
control system).
Code
(hex)
Warning Cause What to do