Fault Codes - Danfoss Vacon OPTEA Operating Manual

VACON® NXP Advanced Safety Options
Operating Guide
Some faults may have additional information that is not saved in the fault system of the AC drive. The complete information can
be seen in the option board activity log, see

12.2 Fault Codes

12.2.1 Fault Code 20 - Safety System, S1 - uC diag., Fault Number Any
Cause
• Internal fault in the option board.
• Broken hardware.
Troubleshooting
• Reboot the AC drive.
• If the fault reoccurs, contact the nearest distributor.
12.2.2 Fault Code 20 - Safety System, S2 - Cross comm., Fault Number Any
Cause
• Internal fault in the option board.
• Broken hardware.
• Incompatible software and/or hardware versions or a failed update.
Troubleshooting
• Reboot the AC drive.
• If the fault reoccurs, contact the nearest distributor.
12.2.3 Fault Code 20 - Safety System, S3 - Input stuck, Fault Number Any
Cause
• Internal fault in the option board.
• Broken hardware.
Troubleshooting
• Reboot the AC drive.
• If the fault reoccurs, contact the nearest distributor.
12.2.4 Fault Code 20 - Safety System, S4 - Output Stuck, Fault Number 1
Cause
• An output is short-circuited to voltage source (for example, +24 V).
Troubleshooting
• Check the cabling.
12.2.5 Fault Code 20 - Safety System, S4 - Output Stuck, Fault Number 2
Cause
• There is a fault in an output of the Advanced safety option board.
• The STO output of the Advanced safety option board is not connected.
Troubleshooting
• Check the cabling.
Danfoss A/S © 2021.06
N O T I C E
5.6.2 Activity Log.
Fault Tracing
AQ319736045637en-000101 / DPD01798 | 151