ABB ACS580 Firmware Manual page 392

388 Fault tracing
Code
Warning / Aux. code
(hex)
AFED Enable to rotate
AFF6 Identification run
B5A0 STO event
Programmable event:
31.22 STO indication
run/stop
Cause
Signal to rotate has not been
received within a fixed time
delay of 120 s.
Motor ID run will occur at next
start.
Safe torque off function is
active, ie. safety circuit
signal(s) connected to
connector STO is lost.
What to do
Switch enable to rotate signal on (eg. in
digital inputs).
Check the setting of (and source
selected by) parameter
rotate.
Informative warning.
Check safety circuit connections. For
more information, see chapter The Safe
torque off function in the Hardware
manual of the drive and description of
parameter 31.22 STO indication run/stop
(page 245).
20.22 Enable to