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Video: What can cause an EPF1 external fault on the ATV61 and ATV71 drives?
Issue:
Troubleshooting EPF1 Fault on Altivar™ ATV61 & ATV71 Drives

Product Line:
Altivar ATV61 and ATV71 drive

Cause:
Assigned input for external fault is open or not closed triggering an external fault.

Resolution:
EPF1 [External flt-LI/Bit] • Fault triggered by an external device, depending on user.  Check the external fault assignment to see if that logic input is active or not.




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If this FAQ did not solve your issue, you can call us at 1-888-778-2733 Option 2 and then 4 or e-mail us at drive.products.support@se.com to create a case with our Technical Support Team.

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