The replace battery light is still on after replacing the old battery with a new one. What could be the problem if the replace batter indicator is still lit? The new battery was tested and is working.
SOURCE: apc ups flashes red light to replace battery, but battery is new
i think by replacing the battery has not been the solution to the problem
u need to check the battery charging voltage when turned ON with main electricity, if no voltage present from charger, there is no question of battery getting charged and also once the battery is down with charge it may not re charge hence the indicator and alarm.
recomended to nearest service centre
SOURCE: APC Smart UPS 1500 will not start.
It could be that the cable to the front-panel got damaged during the battery replacement. After all these years you would think APC would improve that aspect of their design. All I can suggest is inspecting the cable and where it connects to the front panel.
SOURCE: hace a APC XS 900 that said battery needs
disconnect one terminal of the battery then measure charging voltage betwen +ve and -ve it should be 13.8vdc for one 12v battery if charging voltage is not present then battery is ok then connect ammeter to measure the current in Ampere .take care it should be in series if current if no current then battery must ok opern the ups there is a charger transformer measure i/p voltage to transformer if not present then check i/p path if present then check diodes at o/p of charger if faulty replace it also check capacitor and regulator ic if faulty replace it your problem must be solved
Testimonial: "There is no way to check the water in the batteries as thry are sealed. I found out that after a load is applied it goes on battery for a few seconds "
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