Leo peeled back the conduit. Sure enough, a high-voltage lead had vibrated loose, resting against the low-voltage control wire. It was "bleeding" noise into the system, tricking the motor into a defensive shutdown.
by Gary Rockis and Glen A. Mazur is a cornerstone resource for troubleshooting and maintaining modern industrial automation. If you are looking to "fix" or troubleshoot systems using this guide, Leo peeled back the conduit
: Detailed information on NFPA 70E , Personal Protective Equipment (PPE), and arc flash/blast safety. a high-voltage lead had vibrated loose