OLD HP Vectra VL400 - not start, beeps PSU in protected mode

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  • ktmmotocross
    Boardkiller
    • Feb 2014
    • 3588
    • slovakia
    #1

    OLD HP Vectra VL400 - not start, beeps PSU in protected mode

    Hello.
    Have this OLD HP Vectra VL400 with board mark D9820-60011 that not start. 2 beeps pointing to "PSU in protection mode" which leads me to nothing, because psu is ok and i dont find any short on board and when shorting green wire on ATX connector PSU start. it was replaced by normal psu but it dont have fan to CPU, so CPU was overheating. So where to find fault. board, CPU ? dont have schema or bv so i need help
    Last edited by ktmmotocross; 11-23-2022, 04:52 AM.
    Tags: None
    • SMDFlea
      Super Moderator
      • Jan 2018
      • 20795
      • UK
      #2
      Re: OLD HP Vectra VL400 - not start, beeps PSU in protected mode

      fan fix

      https://community.hpe.com/t5/operati...3709353/page/3
      .
      Last edited by SMDFlea; 11-23-2022, 10:47 PM.
      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

        Comment

        • ktmmotocross
          Boardkiller
          • Feb 2014
          • 3588
          • slovakia
          #3
          Re: OLD HP Vectra VL400 - not start, beeps PSU in protected mode

          i was told that new atx psu worked but dont have fan

            Comment

            • SMDFlea
              Super Moderator
              • Jan 2018
              • 20795
              • UK
              #4
              Re: OLD HP Vectra VL400 - not start, beeps PSU in protected mode

              Originally posted by ktmmotocross
              i was told that new atx psu worked but dont have fan
              The HP PSU has a feedback pin, if the fan stops working a signal is sent to the PSU to shut down.Soldering the resistor mentioned fools the motherboard into thinking there is a load there and everything is ok
              All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                Comment

                • ktmmotocross
                  Boardkiller
                  • Feb 2014
                  • 3588
                  • slovakia
                  #5
                  Re: OLD HP Vectra VL400 - not start, beeps PSU in protected mode

                  Originally posted by SMDFlea
                  The HP PSU has a feedback pin, if the fan stops working a signal is sent to the PSU to shut down.Soldering the resistor mentioned fools the motherboard into thinking there is a load there and everything is ok
                  psu was replaced by not hp but normal atx, thats why it dont have right holes for cpu coling
                  Last edited by ktmmotocross; 11-24-2022, 10:58 PM.

                    Comment

                    • SMDFlea
                      Super Moderator
                      • Jan 2018
                      • 20795
                      • UK
                      #6
                      Re: OLD HP Vectra VL400 - not start, beeps PSU in protected mode

                      https://h30434.www3.hp.com/t5/Deskto...0/td-p/7664722
                      "The old PSU has a line connected to the fan connector on the motherboard, and it was working, until the PSU died. So we do need a fan signal line (the "tachometric signal") from the PSU. Please see the link below:

                      https://www.moddiy.com/pages/Fix-HP-515-Error.html*

                      However, Moddiy does not have an adapter for our model."

                      Solder a resistor and its good.
                      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                        Comment

                        • ktmmotocross
                          Boardkiller
                          • Feb 2014
                          • 3588
                          • slovakia
                          #7
                          Re: OLD HP Vectra VL400 - not start, beeps PSU in protected mode

                          Hmmm. i will check on it

                            Comment

                            • ktmmotocross
                              Boardkiller
                              • Feb 2014
                              • 3588
                              • slovakia
                              #8
                              Re: OLD HP Vectra VL400 - not start, beeps PSU in protected mode

                              tried but still the same. board have slot and original psu have connector, but custommer said that it worked ok for few months with casual ATX psu

                                Comment

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