DI-850 front door open intermittent

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  • sunsetoutpost
    Technician

    Site Contributor
    50+ Posts
    • Nov 2009
    • 54
    #1

    DI-850 front door open intermittent

    PS17, 24 & 25 I/O checks out in Mode 47, but I see no change in MS1, MS2 (25-04)when error occurs (stays high). Re-seated connectors on switches and DCPS2, switches test OK & 24V at FT1, FT2 of DCPS2. Chasing a ghost.

    If it happens again, I'll change out DCPS2.
    Tags: 24v, change, dcps2, switches, test
    • copyman
      Owner / Technician

      Site Contributor
      2,500+ Posts
      • Sep 2005
      • 4544
      #2
      Re: DI-850 front door open intermittent

      I'm sure you realize with the "DI" series being 20+ yrs old that strange issues could be many things. Been a long time since I worked on a DI model but if the front door interlock is a Cherry type switch just replace it. Although you might be on to something with the PS since those old models used interlocks to cut power, fuser, etc.

        Comment

        • sunsetoutpost
          Technician

          Site Contributor
          50+ Posts
          • Nov 2009
          • 54
          #3
          Re: DI-850 front door open intermittent

          Caught it in the act Friday evening, 24V PS shut down. Replaced PS2 and all is right with the world.

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            • Synthohol
              Certified Konica Expert

              Site Contributor
              5,000+ Posts
              • Mar 2016
              • 5740
              #4
              Re: DI-850 front door open intermittent

              cant believe you found a PSU for that one!
              We know a thing or two because we've seen a thing or two.
              The medication helps though...

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 22946
                  #5
                  Re: DI-850 front door open intermittent

                  Originally posted by sunsetoutpost
                  Caught it in the act Friday evening, 24V PS shut down. Replaced PS2 and all is right with the world.
                  Congratulations on catching it in the act. The old microswitch doorswitches typically switched 24vdc, often to the HVT, so you don't electrocute yourself. =^..^=
                  If you'd like a serious answer to your request:
                  1) demonstrate that you've read the manual
                  2) demonstrate that you made some attempt to fix it.
                  3) if you're going to ask about jams include the jam code.
                  4) if you're going to ask about an error code include the error code.
                  5) You are the person onsite. Only you can make observations.

                  blackcat: Master Of The Obvious =^..^=

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