MPC6501 dead with only power on light

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  • mrwho
    Major Asshole!

    Site Contributor
    2,500+ Posts
    • Apr 2009
    • 4299
    #1

    [Dead] MPC6501 dead with only power on light

    Good evening, punters!

    We've got this cancer MPC6501 which appears to be dead. When turning on the main switch, the only symptoms are the power led on the panel and a fan somewhere turning on.

    I'm still to see it personaly, since it was just checked by a colleague before the customer closed for the holidays, but he so far managed to check the fuses (all appear to be ok).

    Anyone ever got this? What could I be looking at here?

    Thank you.
    ' "But the salesman said . . ." The salesman's an asshole!'
    Mascan42

    'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
    Ibid

    I'm just an ex-tech lurking around and spreading disinformation!
    Tags: None
    • semi
      Trusted Tech

      100+ Posts
      • Sep 2008
      • 195
      #2
      Re: MPC6501 dead with only power on light

      I've had to replace the PSU

        Comment

        • gkalman2004
          Trusted Tech

          100+ Posts
          • Jul 2016
          • 157
          #3
          Re: MPC6501 dead with only power on light

          On the older mpc2500/2800/3300 when you have only green led and nothing else on the display, usualy in the lasser module the polygon mirror motor is burned plus 1 smd fuse (1mm long) beside the harness on the pcb

          Maybe you have the same issue.

            Comment

            • skynetto
              Trusted Tech

              250+ Posts
              • Sep 2012
              • 257
              #4
              Re: MPC6501 dead with only power on light

              You got a dead MPC6501? Hooray. It can't be repaired
              If you really want to repair it check the control panel. On the MPC2050, which have the same symptom, after replacing everything it was the op panel
              Last edited by skynetto; 08-24-2016, 10:53 PM.

                Comment

                • logrady2331
                  Trusted Tech

                  250+ Posts
                  • Feb 2011
                  • 301
                  #5
                  Re: MPC6501 dead with only power on light

                  My money says controller is bad. I've seen this a hundred times on these things.

                    Comment

                    • Iowatech
                      Not a service manager

                      2,500+ Posts
                      • Dec 2009
                      • 3930
                      #6
                      Re: MPC6501 dead with only power on light

                      Does the machine has a HDD? If so, if time permits, check that. If it is OK, everybody else other than me is probably right.
                      Just as a bit of a historical perspective due to the fact that I don't work on anything that new at the moment, it might not hurt to check the wiring harnesses and connections between the IOB and the user interface too. Sometime the wiring harnesses are routed weirdly, and hopefully as you already know there is a surprisingly small difference between a fully seated connector and one that is not.

                        Comment

                        • mrwho
                          Major Asshole!

                          Site Contributor
                          2,500+ Posts
                          • Apr 2009
                          • 4299
                          #7
                          Re: MPC6501 dead with only power on light

                          Thank you all for your replies.

                          Went to the machine yesterday and tried disconnecting HDD, disconnecting all peripherals, opening up all trays, duplex and fusing unit - none of it made any difference.

                          When powering up it powers up the controller (the fan and leds light up), the power led on the op panel and nothing more.

                          Will order the PSU, the OP Panel and the Controller and see how it goes from here.

                          Thanks again!
                          ' "But the salesman said . . ." The salesman's an asshole!'
                          Mascan42

                          'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
                          Ibid

                          I'm just an ex-tech lurking around and spreading disinformation!

                            Comment

                            • MitchD
                              Trusted Tech

                              100+ Posts
                              • Oct 2012
                              • 164
                              #8
                              Re: MPC6501 dead with only power on light

                              A dead MPC6501 you say? I would consider it a blessing and sell them a new machine. Your vacuum and PM tech will thank you
                              "Heavy music to the normal ear is nothing but a loud annoyance. Most people think of it as obnoxious, talentless music but to someone who really listens and is really in love with music knows how beautiful and amazing it can be" Tommy Rogers of Between The Buried and Me"

                                Comment

                                • mrwho
                                  Major Asshole!

                                  Site Contributor
                                  2,500+ Posts
                                  • Apr 2009
                                  • 4299
                                  #9
                                  Re: MPC6501 dead with only power on light

                                  Originally posted by MitchD
                                  A dead MPC6501 you say? I would consider it a blessing and sell them a new machine. Your vacuum and PM tech will thank you
                                  Tell that to my boss...
                                  ' "But the salesman said . . ." The salesman's an asshole!'
                                  Mascan42

                                  'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
                                  Ibid

                                  I'm just an ex-tech lurking around and spreading disinformation!

                                    Comment

                                    • mrwho
                                      Major Asshole!

                                      Site Contributor
                                      2,500+ Posts
                                      • Apr 2009
                                      • 4299
                                      #10
                                      Re: MPC6501 dead with only power on light

                                      Ended up being a busted PSU. Thank you all for your insights.
                                      ' "But the salesman said . . ." The salesman's an asshole!'
                                      Mascan42

                                      'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
                                      Ibid

                                      I'm just an ex-tech lurking around and spreading disinformation!

                                        Comment

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