ABB ACS280 Firmware Manual page 339

Code
Warning / Aux. code
(hex)
AFF7 Autophasing
B5A0 STO event
Programmable
31.22 STO
event:
indication run/stop
B686 Checksum mismatch
Programmable
event:
96.54 Checksum
action
Cause
Autophasing will occur at
next start.
Safe torque off function is
active, ie. safety circuit
signal(s) connected to
connector STO is lost.
The calculated parameter
checksum does not match
any
enabled reference checksum.
Fault tracing 339
What to do
Informative warning.
Check safety circuit connections. For
more information, see chapter
Safe torque off function
hardware manual of the drive and
description of parameter
indication run/stop
(page
A686 Checksum mismatch
See
333
).
The
in the
31.22 STO
192
).
(page