MO speed preset not working

Discussion in 'Heidelberg Printing Presses' started by 6colorchuck, Jan 8, 2018.

  1. 6colorchuck

    6colorchuck Member

    Joined:
    Feb 2009
    Messages:
    39
    Location:
    schaumburg, Il
    Anyone know why the preset had just stopped operating? You can speed the press up manually and it’ll stay there, but won’t come up to speed after pressing the production activation button.
     
  2. junker1984

    junker1984 Senior Member

    Joined:
    Jan 2010
    Messages:
    563
    Location:
    US, Midwest
    Assuming it’s pre-CPTRONIC, it’ll likely be an issue in the commutator servo drive. Possibly a loose solenoid in the latching mechanism, or even a bad solenoid. It’s all under the rectangular cover on the main drive.
     
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