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400 Fault tracing
AF8C Process PID sleep
mode
The drive is entering sleep
mode.
Informative warning. See section
Sleep
and boost functions for process PID
control
, and parameters
40.43
…
40.48
.
AFAA
Autoreset
A fault is about to be autoreset. Informative warning. See the settings in
parameter group
31 Fault functions
.
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 source
. 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 240s.
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.
AFF7
Autophasing
Autophasing 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
226
).
B686
Checksum mismatch
Programmable event:
96.54
Checksum action
The calculated parameter
checksum does not match any
enabled reference checksum.
See
A686
Checksum mismatch
(page
395
).
D200
Brake slip at
standstill2
Brake is slipping when the
motor is not running.
Check the mechanical brake.
Check the parameter settings in group
76.31
Motor speed match
.
D201
Forward slow down
limit
Slowdown command is active
in the forward (up) direction
based on the selection in
parameter
76.05
Forward slow
down limit
.
Run the motor in the opposite direction
and deactivate the Slowdown command,
or let the drive run with the limited speed
reference.
Code
(hex)
Warning / Aux. code
Cause
What to do
ACS380 FW.book Page 400 Friday, May 4, 2018 4:18 PM
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