BKF 12, error 12 & 30. R705

Discussion in 'Man Roland Printing Presses' started by drukman, Jul 24, 2019.

  1. drukman

    drukman Member

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    I'm looking for a circuit for bkf12. The problem is error 12 and 30. Appears 5-7 seconds after turning on the power.
    Any ideas.
     
  2. CHOCK

    CHOCK Senior Member

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    Hi sir:
    Where is the errors appearing:
    1) Feeder operation panel 2) printing unit 3) operation panel delivery 4) or others like ink zone keyboard?
    Blessing
    superchock@yandex.com
    Mobile+WhatsApp:+505 8861 1441
     
  3. drukman

    drukman Member

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    CHOCK, error 12 end 30 can appears only on BKF.
    ....I'm not a printer.
     
  4. CHOCK

    CHOCK Senior Member

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    Hi sir:
    I did saw the problem in the main drive BKF 12 in Roland 705:
    1) # 12: armature Voltage value at UA= 0V is false( Measuring during boost) ; Application: RESET!
    2) #30 Offset error armature measurement(determined during boost), armature measurement disturbed or defect: No controller posible= RESET!
    Blessing
    superchock@yandex.com
    Mobile+WhatsApp:+505 8861 1441
     
  5. drukman

    drukman Member

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    There is no armature tension. K50 is not active. Parameter 61 changes values from 0 to 95%. The problem is in the main board, the rest I've checked. it is good, but I do not have a circuit diagram.
    This is the problem.
     

  6. CHOCK

    CHOCK Senior Member

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    ok, Great .
    Proceed with K50, parameters.
    and repair or replace MOBO.
    I do no have schematic d, maybe you have some friend or colleague_
    Blessing
    superchock@yandex.com
    Mobile+WhatsApp:+505 8861 1441
     
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