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UM s5 voltage of capacitive sensor? sensor problems


bacon

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Posted · UM s5 voltage of capacitive sensor? sensor problems

What is the voltage of the capacitive sensor of the UM S5? we are servicing one for a client and it looks like the heatsink fan and the capacitive sensor plugs were swapped with eachother at some point, and i am wondering if this may have damaged the sensor. i also ran the sensor diagnostic test 3 times and got results of 5.1, 5.8, and 3.4, it is odd that they vary so wildly. the machine also says it cannot print as the homing function was unable to work properly when starting a print.

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    Posted · UM s5 voltage of capacitive sensor? sensor problems

    @bacon are you a UltiMaker reseller?

    These sorts of questions you very much should be reaching directly to UltiMaker Support.
    UltiMaker does not offer official support via the community, most answers here are from other users and some resellers. 

    https://support.makerbot.com/s/contactsupport

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    Posted · UM s5 voltage of capacitive sensor? sensor problems

    I believe values under 8 are a "pass".  Your results look like normal variation.

     

    Watch the active leveling.  There are 3 phases and several things to check.

     

    First it should do I believe the right nozzle?  The bed goes slowly up and stops within a second after hitting the bed.

    Then if that works it does the other nozzle.

    Then it does a whole bunch of points more rapidly - up to around 24 depending how big your print is.

     

    So:

    Does it never touch the nozzle to the glass?  Failure mode 1.

    Does it touch the glass but keeps going for a few more seconds?  Failure mode 2.

    Does it do the two slow touches with the same core?  Failure mode 3.

    Does it switch cores but do failure mode 1 or 2?

    Does it switch cores but gets an error about different heights?  failure mode 4

    Does it then do a lot of fast touches but fails after that?  Failure mode 5.

     

    There are completely different solutions depending which mode you got.

     

    Mode 1 is the most annoying and caused usually by noise and usually includes readings > 8 and you can try to fix by unplugging the middle fan or replacing with another but you don't have readings > 8.  Failure mode 1 also can be because one of the wires fell off connecting to the capacitive sensor (that lower pcb in the hinged door).

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