the new ESK 1 board fails to fully start the SM74 5

Discussion in 'Heidelberg Printing Presses' started by wandeyiz, Sep 1, 2022.

  1. wandeyiz

    wandeyiz Member

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    Hello FRIENDS I place the new ESK card of the SM74 5 units but the machine does not start, it stops on initialization. or there is a difference between the old and the new card, yet they have the same reference. I need experts to compare me these two cards
    the machine freezes during the initialization see the images of the cptonic below
     

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  2. Adil

    Adil Senior Member

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    Hello my friend
    Who told you that the problem is on the ESK?
     
  3. CHOCK

    CHOCK Senior Member

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    Hi sir;

    In the initialization, all programmable Chips are tested!, ALL depends of version software, that you have in EPROM or EPM . The CPU or Umicroprocessor coming in the board, will Not WORK, if the version is NOT compatible with the new one board.

    Please review this fact.
     
  4. Adil

    Adil Senior Member

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    Hi wandeyiz .who did you choose to place esk ??
    In the init test you have SP-O 00 and SP- U 00 thats mean eak 13 is not reconized by the press or there is no communication between eak13 and the press
     
  5. Adil

    Adil Senior Member

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    Give me the SAK init test, ok
     
  6. wandeyiz

    wandeyiz Member

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    hello Adil, i told that the cptronic stop on initialization, i send the picture,
    the machine run when electrical power break down now we turn on the machine, the card ESK smoke.
    now we change the card with a new one,
    now the machine try to start, and stop on initialization,
    on cptronic screen , we see EAK initial test, none of the keys work on the machine.
    we change the ESK by a new one, still the same problem, the first time we belong the version of software the ESK card are different then the old ESK which smoked,
    today another new card ESK with the same version of software have be tested, the machine refuse to pass the initialization test. i need help,
     
  7. CHOCK

    CHOCK Senior Member

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    Well sir, i am strong recommend you after you replace the ESK new board, with the same board, that you Reheating all the Backplane board!!!!!!!!!!!!!

    Most of the time, they have; Colder+Dry Joint solder by the age of Use , and by that reason the enconder HIW, Can not transmit the information for Initialization.

    This a delicated work for electronic tech, or Engineer, BUT can Work Effectively !
     
  8. wandeyiz

    wandeyiz Member

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    Thank chock for prompt answer, you can tell me which card i try to reheating
     
  9. CHOCK

    CHOCK Senior Member

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    is the backplane board, please see the schematic electrical, LAST PAGES.

    However attached is there the backplane.

     
  10. wandeyiz

    wandeyiz Member

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    Dear CHOCK thank for your help, you know i control all the curent voltage, on the REE board, all voltage on REE Board is OK,
    I'm beginning to believe that there is another card that does not respond, the SAK card or the REK 1 and faulty, no key functions on the machine following the breakdown. you can't scroll through the errors on the cptronic screen.
     
  11. CHOCK

    CHOCK Senior Member

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    Please do that i did indicate REHEATING the backplane!!!!!, you will have Doubt about this, but that is the reason, this board, allow Pass signal, voltage, IF NOT GOOD, that machine, always, will show you Error, NOT initialization,etc.

    Blessing
     
  12. wandeyiz

    wandeyiz Member

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    Hello chock, i remove and reheating RER2 and EHR2 card, the same thing, machine stop on initialization.
     

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  13. Adil

    Adil Senior Member

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    Try to give me this
     
  14. CHOCK

    CHOCK Senior Member

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    Ok, Adjust the HIw, encoder very carefully, to the point zero.



    Blessings
     
  15. wandeyiz

    wandeyiz Member

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    Dear Adil, i can't access to the SAK init test because no touch on the cptronic work, we can see only the first 5 eak init test, no touch work
     
  16. CHOCK

    CHOCK Senior Member

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    Will be, another Great Idea, measure The Regulated power supply, the fact will not work, is Not good power supply in tolerance!!.

    Test, the ribbon cables, or flat cables too in Touch screen.

    Blessings
     
  17. Adil

    Adil Senior Member

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    Do the initialisation of sak
     
  18. wandeyiz

    wandeyiz Member

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    Hello friend i do the initialilization of sak, i control power supply is ok. But when i remove the SAK of the machine, i see Some capacitor 5.5v 3.3F is bad on the SAK, we changed the capacitor with e new one, i put back the SAK board, the samething, the machine stop on initialisation, the cptronic touch no work, the delivery and feeder screen stop on heidelberg.
     
  19. Adil

    Adil Senior Member

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    You miust be sure that there is the same software version in rek1 rek2 and dsk
     

  20. CHOCK

    CHOCK Senior Member

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    Adjust the HIw, encoder very carefully, to the point zero.
    measure The Regulated power supply, the fact will not work, is Not good power supply in tolerance!

    Did you do it?

    Send me Pics of the power supply, test the encoder HIW!

    Otherwise, you must wasting time, and money.

     
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