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    Fan Sensor & PWM max extr. or bed

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    • Ludisundefined
      Ludis
      last edited by

      Hi,

      • The fan speed (sensor) displayed is always @0. it's known ? or a config has to do?

      • Where is the setting for the PWM max for extruder and Bed ?

      Thanks

      Ludis

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      • StephenRCundefined
        StephenRC
        last edited by

        For the fan see https://www.duet3d.com/forum/thread.php?pid=6412#p6412

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        • dc42undefined
          dc42 administrators
          last edited by

          The max heater PWM setting is in the M307 command.

          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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          • Ludisundefined
            Ludis
            last edited by

            Many thanks for answers 😉 , good job.

            Ludis

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            • Ludisundefined
              Ludis
              last edited by

              Hello,

              What are modification setting when i switch my power supply 12V to 24V.
              All my material is 12V (Heater, Bed, Fans..).

              • What Gcode for Max PWM fan ?
              • When modify M307 to "M307 H1 S0.5" , my heater has not good behaviour (high overshoot)

              Can you solve my problem ?

              Thanks.

              Ludis

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              • dc42undefined
                dc42 administrators
                last edited by

                To switch to 24V you should get a new bed heater, new hot end heater cartridge, and new fans. I don't advise running a 12V heater on 24V at low PWM because of the fire risk if anything goes wrong. It's possible to add a 24V to 12V converter so that you can go on using 12V cartridge heaters and fans, but cartridge heaters and fans are so cheap that I don't think it's worth the hassle.

                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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