The Power‑One PMP 25.48 SIC OVS is a compact resonant‑switch mode DC‑DC power supply rated at 25.48 V output with integrated thermal protection and typically used in industrial control panels or servo drive back‑planes. Common failure modes for this model include degraded electrolytic capacitors on the input/output rails, failed rectifier diodes or MOSFETs due to over‑temperature cycling, and loss of thermal shutdown function leading to runaway heat. First‑check diagnostics should verify that the unit receives correct input voltage and current limits, measure output voltage under load for ripple and sag, inspect for visible signs of overheating or component discoloration, and review any error codes from the host controller that may indicate power supply faults.[oss-gpt-20b]