Browse FAQs

What causes FST on the display of the Altivar drives?

Published date: 15 May 2020

FST on the display of the Altivar drives.
Product Line:
Altivar 61, Altivar 71, Altivar 312, Altivar 12, Altivar 31, Altivar 58, Altivar 66
All serial number
What causes the drive status to show FST?
FST is fast stop. This is a status, not a fault.  This status happens if a logic input is assigned to FST and the logic input is active. The second option is when the VFD is in a decelerating state and the type of stop is assigned to fast stop (FST).

Was this helpful?

What can we do to improve the information ?

Can't find what you are looking for?

Reach out to our customer care team to receive information on technical support, assistance for complaints and more.