SM74 error #15, Dyn test 1 error SRK : 7FDF

Discussion in 'Heidelberg Printing Presses' started by siddiqui, May 12, 2015.

  1. siddiqui

    siddiqui Member

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    We are getting error #15 in heidelberg sm74
    please advice...
     
  2. aqazi81

    aqazi81 Senior Member

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    Check all the safety devices and red safety buttons.
     
  3. siddiqui

    siddiqui Member

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    Cheked all, every botton is working fine
     
  4. aqazi81

    aqazi81 Senior Member

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    Did you checked your SRK board, check the interface between SRK and REK1.
     
  5. siddiqui

    siddiqui Member

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    Yes check SRK board its fine
     
  6. siddiqui

    siddiqui Member

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    There is no cable connected between SRK & REKREK1
     
  7. siddiqui

    siddiqui Member

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    in dyn test 1 the code in front of SRK is 7FDF and it is blinking
     
  8. siddiqui

    siddiqui Member

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    Where in RER2
     
  9. siddiqui

    siddiqui Member

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    Actually this problem occurred when the machine was in running cindition, suddenly there was power fluctuation for few seconds and then machine got stopped. After that when we switched on the mains error #15 occurred.
     
  10. exheidmech

    exheidmech Senior Member

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    Does the machine run right now with the error or are you down? If it is running, are there any issues with the machine?
     
  11. siddiqui

    siddiqui Member

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    No, its not running
     
  12. wunmi-50

    wunmi-50 Senior Member

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    Hi,
    This error points to a wrong braking behaviour of your machine. Make sure you test your SRK board on a similar press to confirm that it is okay though fault can also be caused by any other board on top(1st) cabinet layer. The RER2 is the motherboard on which the REKs/ SRK plug into. Hope you have basically rebooted the machine and check that fuses are not blown too.
    Good luck.
     
  13. siddiqui

    siddiqui Member

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    Yes I have cheked all the fuses and also checked the SRK board.
     
  14. aqazi81

    aqazi81 Senior Member

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    How did you checked the board, on another press?
     
  15. siddiqui

    siddiqui Member

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  16. siddiqui

    siddiqui Member

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    in INT TEST 1 SLT_CON : 3FFF is blinking.
    Pl advice
     
  17. aqazi81

    aqazi81 Senior Member

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    It can be any of the issues listed below.
    Converter power part cannot work (connections, voltages).
    Thyristor test cannot be carried out (e.g. no supply voltage).
    Wrong motor detected (code resistance).
    Mains voltage too high (> AC 480V + 15%)
     
  18. siddiqui

    siddiqui Member

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    Input voltage is AC 380 and DC 120 (Feild)
     
  19. Mathew

    Mathew Senior Member

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    What age your machine is?
    Can you take a picture of main motor actual values?
     

  20. siddiqui

    siddiqui Member

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    The problem has been solved.
    there was a problem in SVT Card
    Thank you
     
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