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 should I check for if I have no display on an Altivar drive?
All serial numbers for Altivar Drives
Perform this basic steps
Check line voltage by measuring L1, L2, L3 on the drive itself
Check DC Bus by measuring PA to PC and PO to PC (most drives)
Reseat terminal card (ATV61/71 only)
Remove cable from Modbus port if present
Check +24 to COM and +10 to COM (DC voltage only)