Fault tracing 13
AFF8 Motor heating active Pre-heating is being performed Informative warning.
Motor pre-heating is active. Current
specified by parameter 21.16 Pre-
heating current is being passed through
the motor.
B5A0 STO event
Programmable event:
31.22 STO indication
run/stop
Safe torque off function is
active, ie. safety circuit
signal(s) connected to
connector STO is lost.
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 244).
D501 No more available
PFC motors
No more PFC motors can be
started because they can be
interlocked or in the Hand
mode.
Check that there are no interlocked PFC
motors, see parameters: 76.81…76.84.
If all motors are in use, the PFC system
is not adequately dimensioned to handle
the demand.
D502 All motors interlocked All the motors in the PFC
system are interlocked.
Check that there are no interlocked PFC
motors, see parameters 76.81…76.84.
D503 VSD controlled PFC
motor interlocked
The motor connected to the
drive is interlocked
(unavailable).
Motor connected to the drive is
interlocked and thus cannot be started.
Remove the corresponding interlock to
start the drive controlled PFC motor. See
parameters 76.81…76.84.
Code
(hex)
Warning / Aux. code Cause What to do
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