M122 - how o disable it?



  • After running an M122 I notice that it will automatically execute on its own later. Sometimes this happens 10 or more times during a print. Firmware 1.21 (2018-03-21) but I've seen this on earlier releases too.

    Is this an "issue" and is there a way to disable it without rebooting the Duet?


  • administrators

    Hi Micheal, I have never seen this, I often call M122 to check things but its never run involuntarily for me. Are you calling it from the Gcode console or the PanelDue?



  • Sounds like this could almost be related to the multiple messages being echoes back when connecting to the DWC from multiple devices. Are you perhaps accessing the DWC from a phone and a PC?


  • administrators

    @phaedrux said in M122 - how o disable it?:

    Sounds like this could almost be related to the multiple messages being echoes back when connecting to the DWC from multiple devices. Are you perhaps accessing the DWC from a phone and a PC?

    I agree Z that's the most likely explanation. The issue with serving multiple devices and one of them going offline without disconnecting is mostly fixed in the 2.0RC firmware builds.


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