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Thread: MP301 - SC672!

  1. #1
    Field Supervisor 500+ Posts Polarbear's Avatar
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    MP301 - SC672!

    I have 2 of these animals in my workshop, and am running out of ideas.

    I have had both the controller and BICU of BOTH tested by our electronics workshop, and 3 of the 4 boards came back as tested fine (1x controller is unrepairable).

    What gets me is that the SC672 does still come up on strart-up, before the engine starts. I have looked over the point-to-point diagram to check that all the connectors are in the right places, but cannot fault anything there either.

    This does not make sense!

    Only other culprit I can think of is the PSU that is not supplying a line of power to the controller?? Any more ideas anyone?

    Press the GREEN button!!

  2. #2
    Riso dude 250+ Posts jermyth's Avatar
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    Re: MP301 - SC672!

    Pinched wire(s) between controller and op panel? Just a thought.


  3. #3
    Field Supervisor 500+ Posts Polarbear's Avatar
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    Re: MP301 - SC672!

    Just opened up the power supply and found that someone left me a nicely damaged unit! Machine still power up but once I had repalsed the psu, the error was gone! GRRR!


    Thanks for the suggestions!

    Press the GREEN button!!

  4. #4
    Field Supervisor 500+ Posts Polarbear's Avatar
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    Re: MP301 - SC672!

    Checked the power supply and found inine fuse (FU6) was blown.Replaced and all is well. Add this one to your notebooks!

    Press the GREEN button!!

  5. #5
    Field Supervisor 500+ Posts Polarbear's Avatar
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    Re: MP301 - SC672!

    Checked the power supply and found inline fuse (FU6) was blown.

    Replaced and all is well. Add this one to your notebooks!

    Press the GREEN button!!

  6. #6
    Senior Tech 100+ Posts mbcruzin's Avatar
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    Re: MP301 - SC672!

    Brand new out of box. SC672 error code. I am ordering or seeing if Ricoh will warranty a new board. I'll let you know what happens.


  7. #7
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    Re: MP301 - SC672!

    Are you sure ?....


  8. #8
    Senior Tech 100+ Posts mbcruzin's Avatar
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    Re: MP301 - SC672!

    Quote Originally Posted by Francoi View Post
    Are you sure ?....
    No. Installed new PSU no change in code. Checked Voltages from PSU, and I'm getting my 5VDC and 24VDC to the BCU. I'm thinking replace the BCU or Controller next. Any thoughts?


  9. #9
    Senior Tech 100+ Posts
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    Re: MP301 - SC672!

    About 2 months ago I had one that was the dims on the control board.


  10. #10
    Field Supervisor 500+ Posts bob marley's Avatar
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    Re: MP301 - SC672!

    Quote Originally Posted by mbcruzin View Post
    No. Installed new PSU no change in code. Checked Voltages from PSU, and I'm getting my 5VDC and 24VDC to the BCU. I'm thinking replace the BCU or Controller next. Any thoughts?
    yesterday had the same problem , solved by replacing controller


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