Etasis EFRP-250A Power Supply

Etasis EFRP‑250A is a 100–240 VAC input, 12 VDC output switching power supply rated at 230 W, commonly used to feed industrial drives and UPS systems. Typical failure modes for this class include degraded MOSFETs or IGBTs causing voltage sag, failed capacitors on the DC bus leading to ripple spikes, and overheating of the internal heat sink due to inadequate airflow. First‑check steps: verify input AC voltage and waveform with a multimeter; measure output 12 VDC under load for proper regulation; visually inspect for burnt components, swollen electrolytics, or thermal damage, and check for any error LEDs or diagnostic codes on the host system.[oss-gpt-20b] Post Comment

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