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    Remove the "temperature not rising fast enough" errors??

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    • injoi9000
      injoi9000 last edited by

      Is there a way to complete remove the "temperature not rising fast enough errors? I just want to use bang bang mode without worrying about my heater faulting. IT IS GETTING EXTREMELY ANNOYING!!! I had bang bang mode enabled and removed my heater from the config.override but I am still getting "temperature not rising fast enough" errors and it is ruining everything....How do I just remove this heater fault completely???

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      • Phaedrux
        Phaedrux Moderator last edited by

        Just PID tune the bed.

        Z-Bot CoreXY Build | Thingiverse Profile

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        • injoi9000
          injoi9000 last edited by

          I'm not using it on a bed heater I'm using the temperature control for a heated fan for a side project. PID doesn't work or randomly fails.

          dc42 1 Reply Last reply Reply Quote 0
          • Phaedrux
            Phaedrux Moderator last edited by

            https://duet3d.dozuki.com/Wiki/Gcode?revisionid=HEAD#Section_M570_Configure_heater_fault_detection

            Try changing the time outs on heater faults.

            Just try to remember that the heater watchdog is just trying to look out for you. If a heater isn't heating it could mean the thermistor has become detached from the heater.

            What firmware version are you running? The PID tuning algorithm was updated in 3.2 and has better behaviour with slow heaters like this, so might be worth a try if you haven't. You can also manually tune the PID values.

            Z-Bot CoreXY Build | Thingiverse Profile

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            • dc42
              dc42 administrators @injoi9000 last edited by dc42

              @injoi9000, I suggest you run manual tuning as described at https://duet3d.dozuki.com/Wiki/Tuning_the_heater_temperature_control#Section_Setting_the_model_parameters_manually to construct a M307 command more appropriate to that heater than the default one. RRF uses the M307 parameters to determine the expected heating rate.

              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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              • injoi9000
                injoi9000 last edited by

                Why is it that when my heater is in bang bang mode it still sends a temperature not rising fast enough error? It is super annoying...I can't disable it with the m570 command either I am still getting errors...

                How do I delete "temperature not rising fast enough"?

                dc42 1 Reply Last reply Reply Quote 0
                • dc42
                  dc42 administrators @injoi9000 last edited by dc42

                  @injoi9000 said in Remove the "temperature not rising fast enough" errors??:

                  Why is it that when my heater is in bang bang mode it still sends a temperature not rising fast enough error? It is super annoying...I can't disable it with the m570 command either I am still getting errors...

                  Because the heater protection needs to know the characteristics of the heater to be able to detect a disconnected thermistor, regardless of the control mode. See my previous response.

                  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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