Heidelberg qm 46 2 double sheet sensor problem

Discussion in 'Heidelberg Printing Presses' started by Aleksandaraci, Mar 27, 2019.

  1. Aleksandaraci

    Aleksandaraci New Member

    Joined:
    Nov 2014
    Messages:
    2
    Location:
    Bitola
    Hello, i have heidelberg qm 46 2 and when i try adjust the double sheet the red light is off, it doesn't come on. Can anybody help me with this? Thank you
     
  2. CHOCK

    CHOCK Senior Member

    Joined:
    Dec 2016
    Messages:
    1,449
    Location:
    Managua,Nicaragua
    Hi sir:
    Look very well the surface of the double sheet.
    1) Clean the surface of the double sheet
    2) Look for dirty, or oil, or gread in the connector of sensor.
    3) Look if the connector, is broken or loose wires, or broken, clean with special contacts cleaner electronic.
    4) Meausre +24Vdc pin 1 vs pin2. if there the Double sheet can be faulty and replace, or repair. See your schematic diagrams
    Blessing
    superchock@yandex.com
    Mobile+WhatsApp:+505 8861 1441
     
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