What can cause a CANopen CoF fault on the ATV320 drive?

Issue:
ATV320 CANopen CoF fault

Product Line:
Altivar ATV320

Environment:
All

Cause:
Communication interruption on the CANopen® bus.

Resolution:
• Check the CANopen cables on the communication bus, check to see if there are 120 ohm line terminator resistors installed, check and verify baud rate setting parameter BDCO.
• Refer to the CANopen® User's manual: https://www.se.com/ww/en/download/document/NVE41309/

Module LED color & status description
-OFF No detected error reported Red single flash Detected error reported by the CANopen controller of the Altivar 320 (example: too many detected error frames)
-Red double flash Detected error due to the occurrence of a Node Guarding or a Heartbeat event
-Red ON The CANopen controller is in Bus OFF state

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