Questions & Answers for: APC charging red light discharge green

light stays on all the time and is amber. After a short while it powers down the server. I have tried to connect it to my computer to see if it works as I do not want to risk the server, and the exact

...green / yellow flashing at same time? Nope! The internal battery is not plugged-in correctly. Unplug the APC unit and open the access door to the battery (it is not dangerous to do). Re-seat the two ...

...red and the charging light of the laptop, turns off. Can you assist? Is the SIMA inverter too weak? Is 15 volts aircraft's dc ouput too high? Thanks, you inverter was not fully charged because it ...

...light goes off & the green on line stays on (normal) Any ideas? I have the unit disassembled & am very knolegable in electronics> Thanks tvman disconnect one terminal of the battery then ...

red light at the back is visible and that i believe shows that my UPS is powered up. What could be the problem? I'm guessing that during the power outage, the ups battery completely discharged. Now it

...charging system has failed is with a voltmeter to give the current voltage and a variable DC power supply (whatever is appropriate for the battery) to attempt to charge the battery. I can watch the ...

light on after some time and the overload (red) + replace battery (red) +on battery (yellow) ALLWAYS FLASSHING. So: Green-on Yellow-flashing on and of the same time with: Red- flashing Red- flashing ?

APC Back-UPS rs900 Not working New battery backup, probably been in the store for a while, however it does not power on, i connected the battery and left to charge for 24 hrs but nothing still. It ...

...red X indicates an internal fault. If the unit is under warranty, contact APC for repair. Otherwise, replace the UPS. See page 15 (page 16 of the PDF) of the manual, available oon the product page: ...

Blinking red and green lights Check battery and charging voltages. APC says 90% of faults are a dead battery. My experience also