UPS Powerware 9120 3000i Battery Disconected Error

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  • Hrvoje-CRO
    New Member
    • May 2017
    • 4
    • Croatia
    #1

    UPS Powerware 9120 3000i Battery Disconected Error

    Hello everyone!

    After the air blowing(cleaning), UPS reports an error "battery disconected" error. Cold start is not possible, ups tries to start but it fails. I measured the battery voltage and the voltage is about 110v. When plugged in mains, during powering up the display show's the message "battery disconected". What could be the cause of the problem?

    Thank you in advance!
    Tags: None
    • petehall347
      Badcaps Legend
      • Jan 2015
      • 4422
      • United Kingdom
      #2
      Re: UPS Powerware 9120 3000i Battery Disconected Error

      battery is likely disconnected then . check continuity and check the fuse .

        Comment

        • stj
          Great Sage 齊天大聖
          • Dec 2009
          • 30917
          • Albion
          #3
          Re: UPS Powerware 9120 3000i Battery Disconected Error

          check the fuse with a meter - not your eyes.
          i had a 50A fuse fail with a hairline break in a ups.

            Comment

            • Hrvoje-CRO
              New Member
              • May 2017
              • 4
              • Croatia
              #4
              Re: UPS Powerware 9120 3000i Battery Disconected Error

              Originally posted by petehall347
              battery is likely disconnected then . check continuity and check the fuse .
              Checked and there is no problem with fuses or battery packs. Also i measured voltage on the rear side of ups, the voltage is 111V.

                Comment

                • budm
                  Badcaps Legend
                  • Feb 2010
                  • 40746
                  • USA
                  #5
                  Re: UPS Powerware 9120 3000i Battery Disconected Error

                  How many batteries are used in your UPS? Did you test each battery with dummy load connected to each battery when testing the battery's Voltage?
                  BTW, DO you have any good clear pictures of what we are dealing with?
                  Last edited by budm; 05-22-2017, 09:31 AM.
                  Never stop learning
                  Basic LCD TV and Monitor troubleshooting guides.
                  http://www.badcaps.net/forum/showthr...956#post305956

                  Voltage Regulator (LDO) testing:
                  http://www.badcaps.net/forum/showthr...999#post300999

                  Inverter testing using old CFL:
                  http://www.badcaps.net/forum/showthr...er+testing+cfl

                  Tear down pictures : Hit the ">" Show Albums and stories" on the left side
                  http://s807.photobucket.com/user/budm/library/

                  TV Factory reset codes listing:
                  http://www.badcaps.net/forum/showthread.php?t=24809

                    Comment

                    • Hrvoje-CRO
                      New Member
                      • May 2017
                      • 4
                      • Croatia
                      #6
                      Re: UPS Powerware 9120 3000i Battery Disconected Error

                      Originally posted by budm
                      How many batteries are used in your UPS? Did you test each battery with dummy load connected to each battery when testing the battery's Voltage?
                      BTW, DO you have any good clear pictures of what we are dealing with?
                      https://postimg.org/image/4zcyyu1th/
                      https://s3.postimg.org/fr02njdlf/20170523_135316.jpg
                      https://postimg.org/image/87s3iljah/
                      https://postimg.org/image/e7ude6h5p/



                      I tested each battery and there is no problem with the batteries. Ups has 2 battery banks with 4x of them in each pack.
                      Last edited by Hrvoje-CRO; 05-23-2017, 06:18 AM.

                        Comment

                        • AleXis6
                          Senior Member
                          • Feb 2021
                          • 69
                          • Belarus
                          #7
                          Re: UPS Powerware 9120 3000i Battery Disconected Error

                          what it was the fault reason?

                            Comment

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