Apc Ups Power System Error 02000 Guide

(if you have a multimeter) Typical APC fan: 12V DC, 2-pin or 3-pin connector.

The inverter uses MOSFETs (transistors) to switch DC battery power into clean AC sine wave or stepped sine wave power. If one or more MOSFETs short-circuit or burn out, the output becomes distorted or zero. This is often caused by: Apc Ups Power System Error 02000