Error 15 Heidelberg MO Pv

Discussion in 'Heidelberg Printing Presses' started by andrea De Bortoli, Sep 27, 2022.

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  1. ashok kumar

    ashok kumar Senior Member

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    Hi sir
    Can you send me thenpix of input test sek

    Press #then #1 then input out
    Press + then you will see sek input
     
  2. Beguin

    Beguin Senior Member

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    Please show it to me on screen!
     
  3. andrea De Bortoli

    andrea De Bortoli Member

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    This is the error on the screen
     

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  4. andrea De Bortoli

    andrea De Bortoli Member

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    This is the input test of SEK
     

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  5. Michael Lee

    Michael Lee Member

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    my friend send me error 15 fix for SM74;
    the error "15" is displayed after the power is turned on. The CP window shows a "⊙" symbol under the main control cabinet It flashes, indicating that the emergency stop button of the central control cabinet or the surrounding equipment has been activated. After all the surrounding equipment has been checked, the fault has not disappeared. Check the power supply part and found that some components of the power board GRM120 have been burned. GRM120 is composed of rectifier circuit and overvoltage protection circuit. , detection circuit composition. The rectification circuit makes the three-phase 90V output 130V directly rectified through a three-phase bridge; the protection circuit is composed of a 16Ω, 125W high-power resistor, two fast diodes and an IRFP254 (N-CH MOSFET,250V/23A), etc. When the voltage exceeds When the voltage is 140V, it is shunted and stepped down through a high-power resistor. The damaged part is the power protection part and the detection part of the IC LM339 on the detection board inserted on the GRM120, but the rectifier circuit is not damaged. After the repair, the fault disappears and the machine runs normally.
     
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  6. Michael Lee

    Michael Lee Member

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    do you have GRM120 in the electrical cabinet?
     
  7. andrea De Bortoli

    andrea De Bortoli Member

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    i check the power supply voltage and the GRM5 that i think have to output 5V output 32V DC do you think that this might be the problem of the machine?
     
  8. andrea De Bortoli

    andrea De Bortoli Member

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    Yes i have GRM120 in the electrical cabinet
     
  9. Michael Lee

    Michael Lee Member

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    turn off power, check it to see above components with multimeter. if you know about electronics. check three fuses at first.
     
  10. andrea De Bortoli

    andrea De Bortoli Member

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    all the fuse are ok
     
  11. Michael Lee

    Michael Lee Member

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    how many DC volts on the GRM120 output?
     
  12. Beguin

    Beguin Senior Member

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    Bonsoir cher monsieur, il s'agit d'une erreur générale dans la machine. Allumez la machine et prenez des photos en appuyant sur les touches des photos que j'ai envoyées.

    Désolé si je ne vous réponds pas rapidement, il m'est parfois difficile d'accéder au forum ou au site.
     

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  13. Beguin

    Beguin Senior Member

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    Good evening dear sir, this is a general error in the machine. Turn on the machine and take pictures by pressing the keys in the pictures I sent.

    Sorry if I don't answer you quickly, it is sometimes difficult for me to access the forum or site.
     

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  14. ashok kumar

    ashok kumar Senior Member

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    As per this pix sek input is not ok.
    Delievry estop button have fault (if it is not activated)
    Input 11 shoild be 1
     
  15. andrea De Bortoli

    andrea De Bortoli Member

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    All the voltages are ok
     
  16. andrea De Bortoli

    andrea De Bortoli Member

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    I controlled every estop but they are all ok, do you think that might be sek card the problem? (Because two output of the SEK card 10/11 rapidly change from 0 to 1)
     
  17. Michael Lee

    Michael Lee Member

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    please post input/output test for SEK card after you unlock all E-STOP buttons and close all safety covers on the press.
     
  18. andrea De Bortoli

    andrea De Bortoli Member

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    This is with all e-stop botton are unlock and safety cover closed
     

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  19. Michael Lee

    Michael Lee Member

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    from input/output of SEK card post above, your press delivery and control console with TVK E-STOP buttons were still locked.
     

  20. andrea De Bortoli

    andrea De Bortoli Member

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    They are all unlock
     
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