The TM5‑015i‑1P is a 3‑phase AC induction drive module from Advance Drive Technology, typically used as the inverter in treadmill or other industrial motor applications. Common failure modes for this class of VFDs include overheating of the power MOSFETs or IGBTs, failure of the internal gate driver ICs, and degradation of the input/output protection circuitry (e.g., TVS diodes, snubber networks). Initial troubleshooting should verify that the 48 V DC bus is within spec, inspect for visible signs of component damage or burn marks on the PCB, and check all I/O terminals for correct voltage levels and proper grounding. Finally, review any fault codes displayed on the drive’s diagnostic panel to pinpoint whether the issue lies with power conversion, motor control, or communication interfaces.[oss-gpt-20b]