Troubleshooting VFDs 101 — with no-power checksJan 19, 2017
Variable frequency drives (VFDs) are a staple component of many industrial and commercial applications in which motors run to complete tasks. VFDs can control and protect motors and in some applications, even offer energy savings. But as with any system component, VFDs can fail. Here we explain some troubleshooting techniques that engineers and plant personnel can use to check VFDs.