Fault tracing 355
AFE1 Emergency stop (off2) Drive has received an
emergency stop (mode
selection off2) command.
Check that it is safe to continue
operation. Then return emergency stop
push button to normal position. Restart
drive.
If the emergency stop was unintentional,
check the source selected by parameter
21.05 Emergency stop source.
AFE2 Emergency stop (off1
or off3)
Drive has received an
emergency stop (mode
selection off1 or off3)
command.
AFEA Enable start signal
missing
(Editable message text)
No enable start signal
received.
Check the setting of (and the source
selected by) parameter 20.19 Enable
start signal.
AFE9 Start delay The start delay is active and
the drive will start the motor
after a predefined delay.
Informative warning. See parameter
21.22 Start delay.
AFEB Run enable missing No run enable signal is
received.
Check setting of parameter 20.12 Run
enable 1. Switch signal on (e.g. in the
fieldbus Control Word) or check wiring of
selected source.
AFEC External power signal
missing
95.04 Control board supply is
set to External 24V but no
voltage is connected to the
control unit.
Check the external 24 V DC power
supply to the control unit, or change the
setting of parameter 95.04.
AFED Enable to rotate Signal enable to rotate has not
been received within a fixed
time delay of 120 s.
Switch enable to rotate signal on (eg. in
digital inputs).
Check the setting of (and source
selected by) parameter 20.22 Enable to
rotate.
AFF6 Identification run Motor ID run will occur at next
start.
Informative warning.
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.
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 203).
Code
(hex)
Warning / Aux. code Cause What to do
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