What is the fault code LCF on the ATV630 and ATV930 drives?
Product Line:
ATV630 ATV930
Environment:
All serial numbers
Cause:
Customer said the drive had a fault code LCF.
Resolution:
The fault takes place as soon as the line contactor is not closed after a defined time (LCT).
This function allows the line contactor to close and open depending on the start/stop command.
Check the line contactor and its' wiring.
Check parameter LCT (Mains Voltage.time out) under Complete setting -> Generic functions -> Mains contactor comm -> Mains V. time out.
If there is a timing issue, try to increase this value.
The Mains Voltage time out is factory set to 5s.
Released for: Schneider Electric Saudi Arabia




Need help?
Start here!
Find answers now. Search for a solution on your own, or connect with one of our experts.
Contact Support
Reach out to our customer care team to receive more information, technical support, assistance with complaints and more.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Search FAQs
Search topic-related frequently asked questions to find answers you need.
Contact Sales
Start your sales enquiry online and an expert will connect with you.