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VACON® NXP Advanced Safety Options
Operating Guide
12.2.71 Fault Code 20 - Safety System, S80 - HiLevel Comm, Fault Number Any
Cause
•
Fault in the communication.
•
Incompatible version of the PC tool.
•
Interference.
Troubleshooting
•
Check the used cables and equipment.
•
Reboot the AC drive.
•
If the fault reoccurs, contact the distributor near you.
12.2.72 Fault Code 20 - Safety System, S81 - Comm Timeout, Fault Number 3
Cause
•
Valid F-Parameters from safety PLC have not been received.
Troubleshooting
•
Check the parameter settings of the safety PLC and of the used fieldbus board.
•
Make sure that normal fieldbus communication is established.
12.2.73 Fault Code 20 - Safety System, S81 - Comm Timeout, Fault Number Other
Cause
•
Fault in the communication.
•
Incompatible version of the PC tool.
•
Interference.
Troubleshooting
•
Check the used cables and equipment.
•
Reboot the AC drive.
•
If the fault reoccurs, contact the distributor near you.
12.2.74 Fault Code 20 - Safety System, S82 - Plaus. Check, Fault Number 3
Cause
•
There is no valid parameter file in the option board.
Troubleshooting
•
Save new parameter file from PC or back-up.
12.2.75 Fault Code 20 - Safety System, S82 - Plaus. Check, Fault Number Other
Cause
•
Fault in the safety configuration.
•
There are invalid parameters.
Troubleshooting
•
Check the used parameter file.
162 | Danfoss A/S © 2021.06
Fault Tracing
AQ319736045637en-000101 / DPD01798
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