7
vacon • 40
Maintenance
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
30
Safety configuration
507
The hardware does not support
the OPTBJ board.
• Restart the drive.
• Should the fault re-occur, con-
tact the distributor near to you.
30
Safety diagnostics
520
There is a diagnostic failure in
the STO safety function. This
fault occurs when the STO
inputs are in a different state for
more than 500 ms.
• Restart the drive.
• If the restart does not help,
check the wiring: Both STO
input channels of OPTBJ need
to be on the same state, i.e.
safety device controlling the
inputs needs to feed or cut
power from both STO1 and STO2
channels simultaneously.
• If the inputs are on the same
state and the fault re-occurs,
replace the OPTBJ board.
• Should the fault re-occur, con-
tact the distributor near to you.
Deliver the fault report to the
distributor, see fault details for
more information.
30
Safety diagnostics
521
Atex-thermistor diagnostic
fault.
• Restart the drive.
• If the restart does not help,
change the OPTBJ board.
• Should the fault re-occur, con-
tact the distributor near to you
30
Safety diagnostics
522
Atex-thermistor short-circuit.
• Check the connection of the
Atex-thermistor
• Check the thermistor
• Restart the drive.
• If the restart does not help,
change the OPTBJ board.
• Should the fault re-occur, con-
tact the distributor near to you
30
Safety diagnostics
523
Problem occured in internal
safety circuit
• Reset the drive and restart. If
the fault reoccurs contact your
nearest distributor.
30
Safety diagnostics
524
Overvoltage detected in safety
option board
• Reset the drive and restart. If
the fault reoccurs contact your
nearest distributor.
30
Safety diagnostics
525
Undervoltage detected in safety
option board
• Reset the drive and restart. If
the fault reoccurs contact your
nearest distributor.
30
Safety diagnostics
526
Internal failure detected in
safety option board CPU or
memory handling
• Reset the drive and restart. If
the fault reoccurs contact your
nearest distributor.
30
Safety diagnostics
527
Internal failure detected in
safety function
• Reset the drive and restart. If
the fault reoccurs contact your
nearest distributor.
Fault code
Fault
ID
Explanation
Correcting measures
Содержание optbj
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