What causes a STF fault on a ATS22 soft start?
Issue:
What causes a STF fault on a ATS22 soft start?
Product Line:
ATS22
Resolution:
This is starting time detected faults. Make sure the tLS parameter (Set menu) is longer than the ACC (Set menu) parameter.
Would also make sure the In parameter matches the motor FLA and may need to increase the ILT parameter, if possible.
“If this article does not answer your question, check out our FAQ database that has answers to more commonly asked questions:
Frequently Asked Questions - Schneider Electric (se.com)
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.
Released for: Schneider Electric USA
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