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What can cause a COF fault on an ATV340?

Issue:
Customer is experiencing a COF fault on an ATV340 series drive.

Product Line:
ATV340

Environment:
CANopen communication network is being used.

Cause:
Communication interruption on the CANopen® fieldbus

Resolution:

 Verify the communication fieldbus.

 Verify the timeout.

 Refer to the CANopen® user manual.