Issue:
AnF or load slipping error on the ATV630 and ATV930 Process Drives

Product Line:
ATV630 and ATV930 Process Drives

Resolution:

Causes:

Not following the ramp. The speed feedback doesn't match the speed reference.
The sign of the speed feedback is different from the sign of the reference.
The speed is greater than 10% of the nominal speed (FRS).

Remedies:

• Check the brake feedback and the control circuit.
• Check the mechanical state of the brake.
• Check parameter BCI → brake contact input
• Check parameter BLC → brake assignment.
• Check parameter BRT → brake release time.
• Check parameter BET → brake engage time.

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.

If you are not located in North America, please contact your local Customer Care Center for assistance:

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Released for: Schneider Electric USA