MXM950 Error code E7-20

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  • travi
    Trusted Tech

    Site Contributor
    100+ Posts
    • Jan 2008
    • 129
    #1

    MXM950 Error code E7-20

    I have replaced LSU, PCU PWB, DC Power supply, and W-ICU PWB. I have also updated the firmware. Any ideas on what I am missing.
    Thanks
    Travis
    Tags: None
    • igi
      Service Manager

      1,000+ Posts
      • Apr 2009
      • 1507
      #2
      Re: MXM950 Error code E7-20

      could be the harness.
      had few issues with that.

        Comment

        • travi
          Trusted Tech

          Site Contributor
          100+ Posts
          • Jan 2008
          • 129
          #3
          Re: MXM950 Error code E7-20

          Originally posted by igi
          could be the harness.
          had few issues with that.
          Which harness LSU to PCU PWB or LSU to W-ICU PWB? Any common breaks in the harness? Did you install a new harness or repair the old one?
          Thanks
          Travis

            Comment

            • igi
              Service Manager

              1,000+ Posts
              • Apr 2009
              • 1507
              #4
              Re: MXM950 Error code E7-20

              Originally posted by travi
              Which harness LSU to PCU PWB or LSU to W-ICU PWB? Any common breaks in the harness? Did you install a new harness or repair the old one?
              Thanks
              Travis
              lsu to pcu replaced , good luck.

                Comment

                • CopierTechofOmens
                  Agitating Artificer

                  250+ Posts
                  • Jan 2009
                  • 268
                  #5
                  Re: MXM950 Error code E7-20

                  The optical plane in the LSU was off. A mirror was out of place.
                  sigpic

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