The Advanced Drive Technology TM5‑015i‑1N is a high‑performance treadmill drive controller that converts 100–115 V single‑phase input into a three‑phase output (6 A/9 A, 0–150 Hz) for the lower motor. Common failure points in this class of drives include degraded capacitors on the power conversion stage, burnt MOSFETs or IGBTs, and damaged gate driver ICs; overheating can also cause insulation breakdown between phases. First‑check steps: verify that the input voltage is within spec and that the supply is stable; inspect the board for visual signs of burn, cracked solder joints, or swollen electrolytics; then use an oscilloscope to confirm proper phase waveforms and check for any error codes displayed on the controller’s indicator LEDs.[oss-gpt-20b]