Question about APC Back Ups CS 350 (252545) UPS System

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Backup-ups cs 350 APC overload light on and beeping everytime i switch on the computer

Model 350Ei serial # 880441026423 made in Bengal,India

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Posted on Jan 02, 2017

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SOURCE: beeping error

on the heatsink thats in front the fans theres six fet irfb23n20d mine had the outer two towards the fan short circuited.replaced them and all is well now.

Posted on Mar 14, 2009

  • 1 Answer

SOURCE: APC ES350 strange noise

My solution was to unplug everything, hit the reset button, and then power the unit back up. The problem I found to be that I had my laser printer connected to the "surge + battery" side, and for some reason no laser printer can be connected to it.

Posted on May 28, 2009

  • 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

jvpacoin
  • 91 Answers

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

  • 773 Answers

SOURCE: APC Back UPS RS-1000 Overload LED with beeping sound after on.

this indicates you have too many things plugged into it.

Posted on Nov 20, 2009

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2 Answers

A continous beep sound is hear in my ups..........wat shall i do now


Continuous beeping can be an indication that the battery needs replacing, especially if you have had this UPS for awhile

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This sounds like a battery issue, test the battery by itself....

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Beeping


These UPS systems do a self check everytime you press the power button. If the voltage in the battery is too low, you'll get a long drawn out beep. A new battery should solve that problem and it is even economical with a unit this size. Here's a link: http://batteryinternational.com/apc-backups-es-be350es-ups-battery-ups-batteries-f1.html

Simply remove the single phillips screw on the bottom of the unit and remove the battery cover. Replace battery and that's it. Very simple to do.

Apr 14, 2010 | APC Back-UPS ES 350 - UPS ( external ) -...

1 Answer

Unit keeps beeping even when unpluged. over load


UPSs will beep when unplugged to tell you that the mains is off! Overload should reset if you disconnect both the load and the power.

Jun 30, 2009 | APC Back-UPS CS 500 UPS System

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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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APC UPS CS 500 (BK500EI)


If you can repair pcb then check overload protection section.There is some shortinng in components or ic could be demage.
Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FIXYA.

Mar 07, 2008 | APC (BK500TW) UPS System

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