Heidelberg SM52 2 color 2009 not booting

Discussion in 'Heidelberg Printing Presses' started by AR MAC, May 14, 2021.

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  1. AR MAC

    AR MAC Member

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    Location:
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    HEIDELBERG SM52 2-COLOR YEAR:2009
    YESTERDAY MACHINE SHUT DOWN NORMALLY THEN NOW SWITCH ON THE MAIN SWITCH Q1
    - No booting in touch display (delivery side)
    - No response in any button's
    - No feeder/Delivery Phile UP/DOWN
    - HEIDELBERG logo only appear continually in KID(Feeder panel) display.
    - Delivery Lamp only On.
    - In Electrical control Cabinet there contactors are not Actuate, but All modules Led's are Blinking

    -Now i did Check Main Power Supply Q1 400v
    - I did check T1 transformers output Supply 230Vac , 400Vac, 90Vac... everythin output ok
    - I check All fuses are OK in power Supply Unit"+91-A20".
    - I check all fuses are OK in Rectifier Power Supply "+91-A27" module...

    There is from Sheetfed Control Unit(SCU), to all module Yellow LED lights blinking.

    I don't know what is the problem... Exactly.

    there's is no power in SSR module "91-A124, +92-A132, +91-A136, +91-K129,

    please help me...
     

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  2. Waqas_zahid

    Waqas_zahid Senior Member

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    Hello,
    Can you perhaps make a small video of the SCU? I want to know the status of U0--U3 LEDs or can you describe what these LEDs look like
     
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  3. Waqas_zahid

    Waqas_zahid Senior Member

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    You can whatsapp me the video at +923333257603
     
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  4. AR MAC

    AR MAC Member

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    thankyou for your reply sir,
    now here Eid Holidays going on...
    tomorrow will open the press.
    tomorrow i will send to you sure.

    sir, what are the posibility status will be there in U0...U3?
     
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  5. Waqas_zahid

    Waqas_zahid Senior Member

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    No problem brother, U0--U3 show the status of the SCU, normally when the SCU has booted and everything is running U3 is flashing at about 20Hz, a running light from U0 to U3 (or u3 to u0, I dont remember correctly) indicates a system crash. Red PF and RES LEDs at the power plug come on briefly only at power up and then should be OFF, a red continuous light is a problem indication. CAN LEDs show CAN Rx & TX activity but can at times indicate a potential problem with a CAN node or in other words any module on the CAN bus.
     
  6. ashok kumar

    ashok kumar Senior Member

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    Location:
    india
    Hi
    it seems scu is not booting .
    remove all can cable /fast i/o plug from scu .
    let only power (+24 volt) and rj45 connector pluged in .
    if your scu is ok then toouch will boot .
    if still nothing is coming on touch and no led is flashing in the scu means scu is faulty .
    in scu normally power section has problem which can be rectifie easily
     

  7. ashok kumar

    ashok kumar Senior Member

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