518 Fault tracing
AFEC External power signal
missing
95.04 Control board supply is
set to External 24V but no
voltage is connected to the
XPOW connector of the control
unit.
Check the external 24 V DC power
supply to the control unit, or change the
setting of parameter 95.04.
AFF6 Identification run Motor ID run will occur at next
start, or is in progress.
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, i.e. safety circuit
signal(s) connected to
connector XSTO is lost.
Check safety circuit connections. For
more information, see appropriate drive
hardware manual and description of
parameter 31.22 STO indication run/stop
(page 275).
B5A2 Power up
Programmable event:
96.39 Power up event
logging
The drive has been powered
up.
Informative event.
B5A4 SW internal
diagnostics
Control unit rebooted
unexpectedly.
Informative event.
B5F6 ID run done ID run completed. Informative event.
The auxiliary code specifies the type of
ID run.
0: None
1: Normal
2: Reduced
3: Standstill
4: Autophasing
5: Current measurement calibration
6: Advanced
7: Advanced standstill
B680 SW internal
diagnostics
SW internal malfunction. Contact your local ABB representative,
quoting the auxiliary code. If the Drive
composer tool is available, also create
and send a ‘support package’ (see Drive
composer manual for instructions).
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
506).
Code
(hex)
Warning Cause What to do
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