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    Very strange behavior (Mr. David pse help)

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    • gate546undefined
      gate546
      last edited by

      There are any permanent logs (still present after power off) for to try to understand what's happened to the machine?
      This morning I found a nasty surprise.
      The machine was printing a long job, about 14 hours of printing.
      It was almost at the end of the job, but something must have happened.
      I found the nozzle stuck in the piece, and the duet wifi that was booting continuously.
      All the leds went on and off continuosly, I have turned off and on the power but the problem was still present, only after the third try all goes normal again.
      It's not a power problem supply because it is a professional type and has 30 Amp. and isn't a power line outage because the power line is managed by a UPS.
      The print was long but no more than other prints made only a few hours before.
      What could have be happened?
      The job was launched directky from the SDCard because I have noticed that, after that I am using this firmware version, there are some strange problems with the web interface and so, try to avoiding problems, I prefer to start the print jobs from the touch panel.
      Now I tried to launch a small test print and everything seems to work properly, nothing strange.
      All suggestions and comments are really appreciated.

      Firmware Version: 1.19beta6 (2017-06-10)
      WiFi Server Version: 1.19-beta1
      Web Interface Version: 1.16

      Dommy

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      • dc42undefined
        dc42 administrators
        last edited by

        If all the LEDs went off including the blue one, then the power to the Duet kept failing. Possibly causes include:

        • Bad power in connection. Check that the VIN terminal block screws are tight.
        • Something drawing more that 30A shortly after power up. But I would expect you to see signs of charring if anything on the Duet was doing this.
        • A fault in the PSU causing its overload protection to trigger falsely.

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

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        • gate546undefined
          gate546
          last edited by

          @dc42:

          If all the LEDs went off including the blue one, then the power to the Duet kept failing. Possibly causes include:

          • Bad power in connection. Check that the VIN terminal block screws are tight.
          • Something drawing more that 30A shortly after power up. But I would expect you to see signs of charring if anything on the Duet was doing this.
          • A fault in the PSU causing its overload protection to trigger falsely.

          Hello Mr. David,
          Your suggestions are all right, in fact these are the first things I thought and controlled, unfortunately I find nothing unusual and then, as I wrote before, I launched a test print and everything worked well.
          So I guess there's no log, right? If I enable debugging in the firmware what happens?
          Do you completely exclude a possible bug under certain conditions?
          Are you aware of the slight anomalies with the web interface?

          Thank you anyway for support
          Dommy

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