random movement of cutting head

This topic contains 3 replies, has 3 voices, and was last updated by  Sandy 6 months, 2 weeks ago.

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    I have a knk max air

    All of a sudden the cutting blade is making random movements when I use the buttons on top of the machine

    The cutter cuts fine when its all set up, but when trying to move the blade manually it goes in random directions, Also when turning the machine on the blade moves towards the start point and then tries to keep moving for a few seconds before stopping (teeth pulling against the rubber belt in the process)

    I assume its a cable issue but not sure which one, Ive fiddled with the cables and sometimes it solves the issue but it soon returns.




    Chad Youngblut

    Hi Carl,

    It sounds like you might have a bad optical sensor. Please give Ron a call at 800-268-3672 Extension 702. He’ll get you squared away!



    hi there

    is that a UK number?






    Since you are in the UK, the best thing is to start a Support Ticket using this link:

    Support ticket request

    Ron will be in touch via email so watch for an automated response first with a ticket number and then you should hear from Ron within a day or two after that.

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