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    Heater fault when changing temp mid print

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    • abeckerundefined
      abecker
      last edited by

      When I try and change my temp mid print I end up getting a heater fault that the temp rose too fast. I am only trying to go from 210 to 215, or 215 to 220. It isn't overshooting the target temp. Is there anything I can do which would fix this? I am running FW version 1.19 on the SeeMeCNC Artemis.

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      • dc42undefined
        dc42 administrators
        last edited by

        What is the exact message? There is a "temperature rising more slowly than expected" message that RRF produces, but not a message for temperature rising too quickly - unless SeeMeCNC added it in their fork.

        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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        • abeckerundefined
          abecker
          last edited by

          I would have to reproduce it to get the exact wording, but it was something along the lines of the temperature rose faster than 0.7c/sec

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          • abeckerundefined
            abecker
            last edited by

            Just wanted to follow up and see if the message around the temperature rising faster than 0.7C/sec is a message from the Duet firmware?

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            • T3P3Tonyundefined
              T3P3Tony administrators
              last edited by

              Duet reports temperature rising slower not faster than a certain amount. Can you reproduce the message?

              www.duet3d.com

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              • abeckerundefined
                abecker
                last edited by

                Now I am second guessing that I was reading the error wrong in haste. I'm going through the SeeMeCNC branch for their fork of RepRapFirmware and don't see anything about the temp rising too fast. I'm not too versed on C++, where does the value for %.1f come from on this line from Pid.cpp...

                platform.MessageF(GENERIC_MESSAGE,
                "Error: heating fault on heater %d, temperature rising much more slowly than the expected %.1f" DEGREE_SYMBOL "C/sec\n",
                heater, expectedRate);

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                • dc42undefined
                  dc42 administrators
                  last edited by

                  It comes from variable expectedRate.

                  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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