Question about APC Back-UPS® XS 900 (BX900R) UPS System

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Overload light on with new batteries

Installed batteries with no problem, but overload light is on even though there is nothing attached to the ups unit.

Posted by Anonymous on

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Posted on Jan 02, 2017

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  • 5 Answers

SOURCE: apc xs 1500 overloads even with nothing plugged

Hi,

Plz check MOSFET which working in inverter section.

Posted on May 12, 2009

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  • 25 Answers

SOURCE: APC BR800 Overload light with beeps

Your main control board is defective, you need a new unit.

Posted on Jul 11, 2009

epettingill
  • 175 Answers

SOURCE: APC Back-UPS XS900 shut down

Replace the batteries. Your UPS needs a little battery power to start back up. once the batteries are replaced all should be well

Posted on Aug 29, 2011

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I just installed a new CR243 battery in my Soehnle bathroom scale, A red light came on inside, but nothing happens on the screen. Can you help?


Sometimes a CR2340 battery is still in it's package, but it may be very weak, even though it tests OK. Try another good battery.

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would you tell me what is the model number of the UPS

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Take the battery out and see if it does the same thing when you turn it on.

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Overload indicator comes on without any appliance attached


The battery may be new- but how much charge does it have? The inverter has a high and low battery warning.

If the inverter has no load upon it, it may see the battery potential as high. so if you put a load on it such as an incandescant lamp, in parallel to the inverter, and as an inverter load it should circumvent the warning. Then it is a matter of fine tuning the setup.

Dec 29, 2011 | Electronics - Others

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Why does battery beep and tells me its on battery power when it's stil plugged to wall. and i have a good power source


Usually that indicates a low battery charge or bad battery. Make sure you do not have the battery backup side overloaded with too many devices. Do not plug inductive loads with motors or heating elements into the backup. Turn the device off and unplug anything that is plugged into the bachup. Plug the battery backup into the wall with nothing attached and turn on. Wait 10-15 minutes. this will charge the battery. If beeping continues after this with nothing attached, you likely need a new battery or the control/monitoring system is bad. If beeps stop, reinstall and do not attach more wattage than the unit can suppluy

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3 Answers

Overload Red button is on even after pressing reset button @ back


Try unplugging some equipment from the UPS. The total load should be less than 865 W. Printers and scanners often are culprits.Some gaming desktop computers can have a power supply that will be too much for this UPS. (I've found that even having the printer on the surge only part of the UPS can be a problem. I have the printer on a separate surge protector.)

Since the overload is new, did you add any equipment to the UPS recently or upgrade components?

If you reduce the load, and the problem continues, the UPS may have a fault in the circuitry. If it is under warranty, contact APC.

I hope this helps.

Cindy Wells
(I have replaced APC units after 3+ years when they can't properly recharge the battery - with a new battery. The symptoms are 1) getting a overload when a small load is on the UPS. Small load - desk lamp, 13" TV or 2) not keeping the item on when the power goes off.)

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My Dynex Wireless Optical Mouse just stopped working


If the mouse light is not turning ON even though you have new batteries and the mouse is turned on, then you need to contact the manufacturer for RMA.

Thank you!

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APC BR800 Overload light with beeps


Your main control board is defective, you need a new unit.

Dec 19, 2008 | APC (br800) UPS System

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I have a Samsung digimax cyber530 that turned on with the lens coming out but will not do anything else (blank screem etc) I've put new batteries in and although when I press the power button the green...


I was borrowing the camera so the simple solution was quality long life batteries than the cheap versions (even though they were new) I had installed.

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