Rowan Elettronica 280 power supply

Rowan Elettronica 280 is an industrial AC‑DC switching power supply used to feed high‑torque drive systems (e.g., 10 HP 380 V units). Common failures include degraded electrolytic capacitors on the rectifier side, overheating of the internal transformer windings, and output voltage drift due to MOSFET or regulator degradation. First‑check diagnostics: verify input mains and output DC rails with a multimeter; inspect for bulging or leaking capacitors and scorch marks on the PCB; review any error codes from the connected drive controller for power‑supply related faults.[oss-gpt-20b]

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