BH-363, service code C3421. Which ICP might be blown?

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  • Hansoon
    Field Supervisor

    Site Contributor
    2,500+ Posts
    • Sep 2007
    • 3373
    #1

    BH-363, service code C3421. Which ICP might be blown?

    BH-363 has a service code C3421 after a short between 24VDC and ground ( don't ask me how I know..., please........., ). I think an ICP on the power unit has been blown. Anyone has a list of the ICP's of the BH363/423 or know at least where to find the responsible ICP, please?

    Hans
    “Sent from my Intel 80286 using MS-DOS 2.0”

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    • Synthohol
      Certified Konica Expert

      Site Contributor
      5,000+ Posts
      • Mar 2016
      • 5797
      #2
      prcb 9 pin connector cn16 bh.jpg
      check those voltages because the manual i have does not show any ICP for fuser related codes that i could find but just to ask have you done a trouble reset because its a fuser middle lamp code. it wont clear by rebooting or even a new fuser.

      oh, and i have seen fuser codes that share the same ICP as one of the DV units and we had a bad DV we found after replacing the fuser 3 times and the prcb 2.
      We know a thing or two because we've seen a thing or two.
      The medication helps though...

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        • Hansoon
          Field Supervisor

          Site Contributor
          2,500+ Posts
          • Sep 2007
          • 3373
          #3
          Originally posted by Synthohol
          prcb 9 pin connector cn16 bh.jpg
          check those voltages because the manual i have does not show any ICP for fuser related codes that i could find but just to ask have you done a trouble reset because its a fuser middle lamp code. it wont clear by rebooting or even a new fuser.

          oh, and i have seen fuser codes that share the same ICP as one of the DV units and we had a bad DV we found after replacing the fuser 3 times and the prcb 2.
          Machine was working fine until Hans came and f$cked it up by rerouting the vendor unit wiring while MFP was under power. ? ?
          Immediately after that, the service code C3421 popped up and 24VDC was lost. Trouble reset didn't help of course.

          Hans
          “Sent from my Intel 80286 using MS-DOS 2.0”

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            • Synthohol
              Certified Konica Expert

              Site Contributor
              5,000+ Posts
              • Mar 2016
              • 5797
              #4
              oh my.

              fwiw the ICP should be somewhere close to the cn16 connector. just ohm out a bunch and see if you find an open on otherwise its PRCB time.

              have you checked all the fuses on the power supply?
              We know a thing or two because we've seen a thing or two.
              The medication helps though...

                Comment

                • Hansoon
                  Field Supervisor

                  Site Contributor
                  2,500+ Posts
                  • Sep 2007
                  • 3373
                  #5
                  have you checked all the fuses on the power supply?
                  Not yet, will do tomorrow. Now I am too damned tired because I have a serious health issue to fight with too.
                  Thanks for your help, Pal.

                  Hans
                  “Sent from my Intel 80286 using MS-DOS 2.0”

                    ☕ 1

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                    • Tech09
                      Trusted Tech

                      Site Contributor
                      100+ Posts
                      • Apr 2020
                      • 144
                      #6
                      Originally posted by Hansoon

                      Machine was working fine until Hans came and f$cked it up by rerouting the vendor unit wiring while MFP was under power. ? ?
                      Immediately after that, the service code C3421 popped up and 24VDC was lost. Trouble reset didn't help of course.

                      Hans
                      lol I think anyone who's been doing this job for a while has done similar things. I may have had a few experiences like this, forget to plug in a ribbon cable see a bright flash, little bit of smoke and really nice scorch marks lol

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