Start here for access to our Knowledge Base to get answers to over one hundred thousand questions online in seconds.Find Answers
...See what we've been doing in some of our major markets.Find your Location
Access tailored services, 24/7 self-service and expert help. Anywhere, anytime, any project.Discover now
Everything you need to know about our IoT technology backbone.Learn more
Explore our global offerings or select your country from one of our five regions.Global
Découvrez nos offres globales ou sélectionnez votre pays dans l’une de nos cinq régions.
What does an OBF fault mean on the ATV58 drives?
OBF is over braking fault
Check the DEC time setting on the drive. If it is very low, try increasing to allow the drive a longer ramp down time.
Check the Line voltage on L1 L2 L3 to verify that it is within specifications. High line voltage will translate to high DC bus voltage.
If OBF appears on power up, verify that the display is not set to show the last fault on power up.
A dynamic brake resistor may be required if the load is overhauling.
Sign up for all the latest solutions, offers and best practices straight to your inbox.