ABB ACS880 Firmware Manual page 690

690 Fault tracing
Code Event name /
(hex) Aux. code
0002
0003
0005
AFAA Autoreset
AFE1 Emergency
stop (off2)
AFE2 Emergency
stop (off1 or
off3)
AFE7 Follower
AFEA Enable start
signal missing
AFEB Run enable
missing
Cause
Required torque reference could not
be reached before the drive reached
maximum speed.
Motor could not
accelerate/decelerate to
maximum/minimum speed.
Motor could not decelerate with full
autotune torque.
A fault is about to be autoreset.
• Drive has received an emergency
stop (mode selection off2)
command.
• (Follower drive in a
master/follower configuration)
Drive has received a stop
command from the master.
Drive has received an emergency stop
(mode selection Off1 or Off3)
command.
A follower drive has tripped.
No enable start signal received.
No run enable signal is received.
What to do
Decrease torque step (parameter
25.38) or increase speed step
(25.39).
Increase torque step (parameter
25.38) or decrease speed step
(25.39).
Decrease torque step (parameter
25.38) or speed step (25.39).
Informative warning. See the settings
in parameter group 31 Fault
• 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,
21.5 Emergency stop
control word received from an
external control system).
• 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.
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,
Emergency stop source, or control
word received from an external control
system).
Check the auxiliary code. Add 2 to the
code to find out the node address of
the faulted drive.
Correct the fault in the follower drive.
Check the setting of (and the source
selected by) parameter
start command.
Check setting of parameter
enable 1 source. Switch signal on (e.g.
in the fieldbus Control Word) or check
wiring of selected source.
functions.
source, or
21.5
20.19 Enable
20.12 Run