L4-11 error code and noise

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  • hammer
    Trusted Tech

    100+ Posts
    • May 2008
    • 111
    #1

    L4-11 error code and noise

    Hi All, I've come across a nasty one and am wondering if you can help out. I have an error code L4-11 on an MX-M182D. It occurs when I switch on the copier, and the shift motor moves to the rear. It appears to not want to stop, makes a grinding noise, then throws up the code. We had something similar before and it turned out to be the MCU PWB, so naturally I went for that. It wasn't the answer. I have changed the shift motor assembly which also contains the home position sensor and no joy.
    Any ideas?
    Tags: None
    • mojorolla
      The Wolf

      2,500+ Posts
      • Jan 2010
      • 2583
      #2
      Re: L4-11 error code and noise

      Most Sharps will give that code if the finisher is unplugged at power up.


      Failing to plan is planning to fail!!!

        Comment

        • hammer
          Trusted Tech

          100+ Posts
          • May 2008
          • 111
          #3
          Re: L4-11 error code and noise

          There's no finisher involved.

            Comment

            • ruben
              The New Guy

              1,000+ Posts
              • Oct 2012
              • 1203
              #4
              Re: L4-11 error code and noise

              L4-11: Content Shifter motor trouble.

              The shifter home position detection signal is not detected when initializing the shifter.
              Shifter motor abnormality, improper connection or disconnection of the harness, shifter home position sensor abnormality.

              Check and remedy:

              Use SIM 03-11 to check the shifter motor operations.
              Check connection of the harness/connector of the shifter motor.
              Replace the shifter motor.
              Replace the MCU PWB.

                Comment

                • hammer
                  Trusted Tech

                  100+ Posts
                  • May 2008
                  • 111
                  #5
                  Re: L4-11 error code and noise

                  Thank you for that, but I've seen the service manual. We had something similar a while ago and it turned out to be the eprom. This was on a brand new device that was faulty out of the box. The device that we have now gas done a couple of hundred prints before showing the fault.
                  Any other ideas?

                    Comment

                    • bilyahn
                      Service Manager

                      1,000+ Posts
                      • Dec 2006
                      • 1470
                      #6
                      Re: L4-11 error code and noise

                      Have you cleaned the shift assembly shaft? They tend to bind have also had the small metal flange that holds the assembly follower rollers together on the front side come loose causing similar problems.

                      Good luck.

                      Bil

                        Comment

                        • JustManuals
                          Field Supervisor

                          5,000+ Posts
                          • Jan 2006
                          • 9838
                          #7
                          Re: L4-11 error code and noise

                          This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


                          Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


                          Paul@justmanuals.com

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