Systro CPM drive is a high‑current industrial motor control module used in spindle and conveyor applications. Common failure points for this class of drives include power supply over‑voltage or ripple, phase winding shorting, overheating of the IGBT array, and firmware corruption due to improper updates. Begin troubleshooting by verifying the input voltage against the drive’s rated range, checking all power supply capacitors and filtering components for leakage or bulging, and inspecting the IGBT board for burn marks or displaced heat sinks. Next, review any diagnostic LEDs or error codes displayed on the panel, then perform a continuity test across the phase outputs to rule out shorted windings before proceeding with firmware re‑flash if needed.[oss-gpt-20b]