Issue:
Drive faults on INFB - Internal Th Sensor fault.  The recommendation is to replace the thermal sensor

Product line:
ATV61HD22N4 - Frame 6

Environment:
This model only

Cause:
Internal thermal sensor is not operating correctly.

Resolution:
The thermal sensor for this frame size is built into the DC bus board which is not available for field replacement.  Have the drive repaired by Schneider Electric Industrial Repair Services or replace the drive.

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