The Vigoservo 30DI Drive is a digital servo motor controller used in industrial motion‑control applications, typically providing high‑torque, low‑speed operation with integrated safety features. Common failure modes for this class of drives include power supply degradation (over‑voltage or ripple), overheating of the main driver ICs, and loss of communication due to bad I/O connections or firmware corruption. Initial troubleshooting should verify that the input voltage is within spec and free of excessive noise, inspect all connectors and solder joints on the board for cold or cracked joints, and review any error codes displayed on the drive’s panel or logged via its diagnostic interface.[oss-gpt-20b]