Tde DSC20N/30 Servo Drive

The TDE DSC20N/30 is a 3‑phase AC servo drive rated for 180–240 VAC and up to 20 A, commonly used in CNC or industrial motion control systems. Common failure points include the high‑current power MOSFET array, phase‑sense inductors, and the built‑in thermal protection circuitry; overheating or a shorted MOSFET often triggers an over‑temperature fault or loss of motor drive. Initial diagnostics should verify that the supply is within spec (180–240 VAC, correct polarity), check for visible signs of component damage such as burnt traces or swollen electrolytics, and review any diagnostic LEDs or error codes on the unit’s status panel before proceeding to a full current‑probe test of the MOSFETs.[oss-gpt-20b]

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