I've had my APC Back-UPS BR500CI-AS (with voltage regulator) for more than a month, karonng buntag ra gyud ni ga-manya.
problem is di na siya mu-ON, mubeep siya inig press sa power pero dile musiga ang green LED, if i-long press pd nako siya, mu-battery mode pd dayon, i tried different power cords, and lowered voltage sensitivity to no avail,
anyone experienced this? or RMA nalang ni?