Question about APC Smart-UPS RT 8000VA (0731304239635) UPS System
-No input voltage
-batteries are fairly new and are charged.
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Posted on Jan 02, 2017
how long the lifespam is the battery you had are using it? if you check the voltage that is 13.5dcv but it could be the Ah is already running low.. try to change with a new batts and power up the ups ifi it not workin that mean it the hardware issue..
Posted on Mar 24, 2009
SOURCE: Overload light in APC RS 800 UPS
it seems that the inverter circuit of your UPS is dying. the solution here is you have to open up the UPS and check the inverter circuit. to make easier, check the power mosfet if its leaking.
Posted on Aug 14, 2009
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 the battery needs to be replaced. They are only good for 2-3 years. If you are not comfortable with my instructions, call APC for free support. (800) 555-2725
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Posted on Aug 18, 2009
Mines, two or three years old and doing the exact same thing, you ever figure out what happen or how to fix it? I took the battery out and it reads 16 volts. I put a 2 amp load (fan) on it and it pulls fine, so I'm reluctant to buy a new battery pack for it now.
Posted on Aug 22, 2011
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