Prepares individuals to troubleshoot and remedy faults in electric motor control circuits and AC variable frequency drives. Skills include: adhering to troubleshooting safety rules, systems troubleshooting, component testing, and using digital multimeters, clamp-on ammeters, and PLC status indicators. Components include: AC VFD drives with volts per hertz capability, 3-phase AC motors, reversing magnetic motor starters with overloads, drum switches, control relays, timer relays, manual switches, limit switches, pressure switches, and float switches.