bizhub c450 error code c5370

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  • wwandrei
    Technician
    • Jan 2009
    • 40
    #1

    bizhub c450 error code c5370

    Hello. I am having a problem with a C450 copier, as it gives C5370 error code. As I saw in SM it is a fan code located in the back of the copier, on the steel cover of the mainboard. When I turn on the copier it doesn`t warms up at all no fans running or anything ... and you cand barely see on the display of the copier the error code ... also the display switchon has no effect ... i`ve checked the fan i was talking about and it is working on a 5V power supply, i`ve checked all the fuses that i know and none of them are burned. My questions are: Can there be another fan for this error code?; Or is there anything commanding the fan that might have problems ... like a fuse that i coudn`t find or something else?

    Thank you!
    Tags: control panel, dim, ect, failure, mcb, power supply
    • JtheCopyGuy
      Technician
      • Aug 2009
      • 26
      #2
      Have you tried just a trouble reset?

        Comment

        • wwandrei
          Technician
          • Jan 2009
          • 40
          #3
          Originally posted by JtheCopyGuy
          Have you tried just a trouble reset?
          I only know POWER ON + Utility trouble reset and didn`t worked ... is there other way?

            Comment

            • Stirton.M
              All things Konica Minolta

              1,000+ Posts
              • Oct 2009
              • 1804
              #4
              If you have a dim control panel, it might be your control panel at fault or the c-board (board that is under main scanner, beneath and just behind the CCD). Check the VIF cable as well, oxidized pins...disconnect and reconnect... More than likely the MCB...swap it with a known good board and see. Then go to the control panel and then the C-board.
              "Many years ago I chased a woman for almost two years, only to discover that her tastes were exactly like mine: we both were crazy about girls."
              ---Groucho Marx


              Please do not PM me for questions related to Konica Minolta hardware.
              I will not answer requests or questions there.
              Please ask in the KM forum for the benefit of others to see the question and give their input.

                Comment

                • wwandrei
                  Technician
                  • Jan 2009
                  • 40
                  #5
                  Problem solved : "Check the VIF cable" - unplug and plug and done :| . Thank you Stirton M. (we should not think that complicate sometimes )

                    Comment

                    • DJjuanSA
                      #6
                      This is what the service manual says

                      C5370: MFP Control Board Cooling Fan Motor’s failure to turn

                      C5370 MFP Control Board Cooling Fan
                      Motor’s failure to turn
                      • The Fan Lock signal remains HIGH for a predetermined
                      continuous period of time while the Motor
                      remains stationary.

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