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Z-Probing mid air


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Posted (edited) · Z-Probing mid air

Hi Guys,

 

My ultimaker S5 has started just probing mid air when doing nozzle offset probing between the two cores.  Tried manuel bed leveling, core switch etc... still no luck

 

Any suggestions?

Edited by haydenkrause
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    Posted · Z-Probing mid air

    1) Open the front door on the print head and look carefully inside.  In the base of the head that is now swung down there is a flat plate (a simple PCB).  There are 2 wires going to that.  tug gently on both wires to make sure they are still connected.  This was the problem for me.  I just resoldered the loose wire and no problems since.

     

    2) In the maintenance menu on the S5 there is a way to test the levelling sensor.  Run that.

     

    3) Keep RF noise sources away from the printer during active leveling.  As a test maybe put everything that can generate radio noise at least one meter away from the printer.  That includes: any kind of computer like a cell phone, computer, monitor, thermostate, smoke detector, almost anything electronic, even computer mice, keyboards, pretty much anything that has electrical power these days has a computer in it.  Even toasters.

     

    Hopefully one of those three things will help.  If not it's time to start replacing components and there are a lot of components to replace!  So if 1-3 above don't do anything then contact your reseller.

     

    Alternatively you can just turn it off and do a good accurate manual leveling.  I don't recommend this as the glass tends not to be perfectly flat: https://community.ultimaker.com/topic/39188-ultituner-a-tool-to-tweak-your-printer

     

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