In an Eaton 5110 UPS, I saw C4 was bulging, and all of the electrolytics (of unknown brands) were all replaced with quality 105C units and this unit now works perfectly.
Notably, a number of these electrolytics were close to high wattage (1W+) resistors which would have shortened the life of the electrolytics, and it can get quite warm inside a UPS unit.
Notably, a number of these electrolytics were close to high wattage (1W+) resistors which would have shortened the life of the electrolytics, and it can get quite warm inside a UPS unit.
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