Questions & Answers for: apc battery backup turns back

...apc es 350 is making a loud squeeling noise. What is wrong with this backup device? My solution was to unplug everything, hit the reset button, and then power the unit back up. The problem I found to ...

...the back up battery named APC to fix the problem? try plugging the pc directly into the wall...if it works the UPS is defective. You can order new batteries for the UPS online. Battery ...

APC external Backup battery is not working plz My APC Back UPS ES-350 was working fine last night when I turned it off. This morning, I tried to turn it on, and all I got was a flashing light and ...

APC back-ups XS 800 battery backup : warning "Battery not connected to unit" Turn it off and unplug it from the wall. Open it up and make sure that the red and black wires are connected. If they are ...

apc 1500 red overload stays on pleeps after about 8 hrs after leaving on more than 8 hrs- turns off and shuts down. I replaced battery with same results. Tryed new battery on another unit and it works

...the battery or the whole unit? It certainly indictes a problem with the APC unit a replacement bettry may or may not solve the problem. Do you really need one as you have an anti surge

...APC Back-UPS Office 500VA (BF 500U) will not stop making noise even after I unplugged it from outlet. How do I make it stop? Disconnect the battery(s) from inside. The backup batteries are still ...

...If you have had the unit for a year or longer it may be telling you your back up battery isnt any good. I suggest replacing the battery, go here ...

I repair this problem? Good Day! Try changing the battery. please visit apc's service center for battery replacement. it will only take 3-5 working days. once done, your ups will be as good as new

APC UPS is totely deat. No respone on back battery or main Please tell me detail thank You have to take apart the UPS. Inside you will find a battery. On the battery you will find the make and model ...