{}

Our Brands

Impact-Company-Logo-English Black-01-177x54

Welcome to the Schneider Electric Website

Welcome to our website.
Search FAQs
You are currently viewing the content available in Vietnam. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
What can cause an OC3 fault on the ATV21 and ATV212 drives?
Issue:
Why does OC3 trips on the ATV21/ATV212 drives?

Product Line:
Altivar ATV21 ATV212 S-Flex

Environment:
All models

Cause:
The drive is running and intermittently trips on the OC3 fault.

Resolution:
OC3 means overcurrent during constant speed operation.

Possible causes:
Abrupt fluctuations in the load or abnormal load conditions.

Remedies:
Reduce the load fluctuations
Check your load
Set parameter F316 to 1 or 3

OC3 can be cleared by Auto Restart as long as the condition that causes the fault is resolved.
To turn on Auto Restart set F303 to any value between 1 and 10. This value is the number attempts to clear the fault.

Schneider Electric Vietnam

Explore more
Range:
Articles that might be helpful Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Explore more
Range: