Heidelberg cpc 104

Discussion in 'Heidelberg Printing Presses' started by M.K PASHA, Jul 5, 2021.

  1. M.K PASHA

    M.K PASHA Member

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    Dear Seniors,
    I am having problem in CPC 104 display screen. It is initializing continuously. Working display not coming. Can anyone tell me what can be the problem?

    The screen is saying CPC 1, but I can operate the ink zone motor. Machine can inch & run. I have swapped all the board from underneath of cpc & cptronic. And cables I tested so far so good.
    And the cptronic, it recognize the software cpc 104.
     

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  2. CHOCK

    CHOCK Senior Member

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    Hi sir;

    Test the Ribbon cables or Flat cables for the Screen LCD.

    Since you explain all is working

    That is very indicative from some loose Ribbon cables, flat cables, +dirty or corroded, clean with special electronic contacts cleaner.
     
  3. ashok kumar

    ashok kumar Senior Member

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    Hi
    1) in cptronic check sw version. Is there cpc104 version visible or not.
    If cpc104 version is there means your cpc booted then probelem in display/dnk4/ dnk ribbon cable
    If cpc104 version is not visible the problem will be in Bak cArd ( under the inkk eys section having battery) or power supply to bak is less/missing
    Need more information, please confirm
     
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  4. M.K PASHA

    M.K PASHA Member

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    Dear Ashok sir,
    I swapped display from cptronic to cpc, as well as all the DNK cables.
    My electrician was saying there is less voltages in battery for BEK card & one of the board in control cabinet.
    Can it be the problem with Battery power?
     

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  5. M.K PASHA

    M.K PASHA Member

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    Some more..
     

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  6. ashok kumar

    ashok kumar Senior Member

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    As per pix send by you for sw vesrion
    Cpc104 is visible there means your cpc is also booting ok but display biscuits not coming.
    Can you check dgp card with cpt dgp card
     
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  7. M.K PASHA

    M.K PASHA Member

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    Cpc & cpt DGP cards are different. I can't swapp provably.
    And how can I check this DGP card for cpc?
     

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  8. M.K PASHA

    M.K PASHA Member

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    If DGP card creates image for cpc,
    I removed DGP card and switch on cpc but display coming totally blank, not even coming Heidelberg cpc 1 written display.
    So can I assume that dgp is okay?
     
  9. Waqas_zahid

    Waqas_zahid Senior Member

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    Keep the cpc EPM at the CPC and swap the board on which the EPM sits
     
  10. M.K PASHA

    M.K PASHA Member

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    Dear Mr zahid,
    I m not getting properly. Can you draw me scatch from below picture., so that i can do what you want me to do.
     

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  11. CHOCK

    CHOCK Senior Member

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    Normally the voltage Battery is 3.6Vdc

    If the battery is low that 3.6 Replace it, however you must have only 10 minutes, for to change it, otherwise you must loose the Data, since they are coming in circuit RAM.

    The battery you must replace with the same models.

     
  12. CHOCK

    CHOCK Senior Member

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    Remember do this Steps ;

    Test the Ribbon cables or Flat cables for the Screen LCD.

    Since you explain all is working

    That is very indicative from some loose Ribbon cables, flat cables, +dirty or corroded, clean with special electronic contacts cleaners
     
  13. M.K PASHA

    M.K PASHA Member

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    I have sprayed with contact cleaner and blowed air.
    And I have swapped lcd cpc to cpt.
     
  14. M.K PASHA

    M.K PASHA Member

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    Thanks sir.
    I will do it with my electrician. But difficult to find same batteries..[/QUOTE]
     
  15. CHOCK

    CHOCK Senior Member

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    Ok test Ribbon cables or Flat cables, AND Replace it.!

    Blessing

     
  16. ashok kumar

    ashok kumar Senior Member

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    Hi
    Once your technician come pls drop
    A msg I will guide him
    Keep time line in mind (here it is +5:30 )
     
  17. CHOCK

    CHOCK Senior Member

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    Ok test Ribbon cables or Flat cables, AND Replace it.!

    Blessing

     
  18. CHOCK

    CHOCK Senior Member

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    What did happen??

    You must test the Ribbon cable, or interchange it and finally replace it!!!

    The power supply i believe is o.k, since the machine, is working,1) the High voltage(inverter) for Display ca be faulty, 2)or Display faulty, 3( +Ribbon cables faulty.

     
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  19. Mathew

    Mathew Senior Member

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    Hello everyone,
    I believe BEK is running fine and the problem is only with screen. Ashok pointed correctly, you need to swap DGP (base module) from CPC with DGP(base module( on CPTronic. Remember EPM modules from CPC and CPTronic are not identical. BEK low battery doesn't make any problem. You may loose some operating adjustments such as ink and dmpening curves if the battery is dead . I had seen problems with flat or ribbon cables, but this is not the case.
    Check this and come back to us.

    Good luck
     
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  20. M.K PASHA

    M.K PASHA Member

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    Good day sir,
    We have interchange the Display, DNK ribon cables and the flat cables also cpc to cpt. Its same.
    Electrician is not giving me much time. I m waiting for another electrician to check Again ribon cables and voltages.
    I will check inverter voltage. I will come to you.
    Thanks
     
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