Astec AA23650 Power Supply

Astec AA23650 is a 400‑Watt AC/DC power supply module commonly used in SunFire V240 servers and other industrial automation systems. Common failure points for this class of units include capacitor degradation (especially electrolytic), fan motor burnout, and output voltage regulation drift due to faulty rectifier or switching ICs. First‑check diagnostics: verify 100–240 V AC input voltage and polarity; measure the regulated DC outputs (3.3 V, 5 V, 12 V) for correct levels and ripple; inspect the internal fan and heat sink for dust buildup or mechanical failure, then review any error logs from the host server that reference power supply status.[oss-gpt-20b]

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