Problem with safey relays

Discussion in '4-Color Offset Presses +' started by nrf122562, Dec 12, 2020.

  1. nrf122562

    nrf122562 Member

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    Hi i have a sakurai 458 EPII 4color press, randomly it will stop or take a while
    to start up. Message on the console say safety relay free.
    it will stop but have the power, i push the reser buttom to restart, sometime it will start
    right away, sometime it will take 20 minutes (push the reset nothing happens)
    I already changed the safety relay with a new but still doing it (this safety relay control E-stops)
    checked all e-stop no problem.
    his problem is driving me crazy, hoping i have an answer here.

    Thank you.
     
  2. CHOCK

    CHOCK Senior Member

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    Hi sir:

    Please follow this steps:

    1) test the input block 200-240Vca ( input ) +output +24VdC , This is called input/output Power supply, can be defective, open , clean it, and look, for dry+colder joint solder, or loose wires, or defective. the output can be tolerance in 5% up or down.

    2)test the module SNSDV( sensor voltage)

    2a) test the module CRQE , for input and output,

    3) This module can be give trouble, with the safety relay
     
  3. nrf122562

    nrf122562 Member

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    Thank you very much
     
  4. CHOCK

    CHOCK Senior Member

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    Ok sir

    M .Christmas
     
  5. Sidali MOUAICI

    Sidali MOUAICI New Member

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    Dear Mr chock I need your help I have Schneider Senator E-line 78 due to the weak battery my machine lost its factory settings and all previous programmed cut programs can you help Ms to fix it please

    sidali.mouaici.16@gmail.com
     
  6. CHOCK

    CHOCK Senior Member

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  7. nrf122562

    nrf122562 Member

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    Hello Sir,

    do you recommend someone who can the 3 items,
    You described, I have calling so many electrical and technician, no one is interested, or if you have a link who to test them?
     
  8. CHOCK

    CHOCK Senior Member

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  9. nrf122562

    nrf122562 Member

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    Hi, just want to tell it was the SNSDV sensor voltage, changed it, and the press is ready fine no more problem.
    Thank you.
     

  10. CHOCK

    CHOCK Senior Member

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    Great job sir

    Blessing
     
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