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    Duet V0.8.5 LED on power up

    Duet Hardware and wiring
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    • Robny
      Robny last edited by

      Hi all

      I have a question regarding the LED lights while powered up.

      While being powered up via vin the 3.3, 5 and vin leds light as they should but I also get a red fan led come on also, is that nornal…I ave nothing else.plugged in the board except psu and ethernet.

      Many Thanks
      Rob

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      • StephenRC
        StephenRC last edited by

        Fan0 should be off, and if you haven't changed fan1 settings, it should be off until the hotend temp reaches 45c.

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        • dc42
          dc42 administrators last edited by

          I think the fan 1 LED will come on if you have no thermistors connected. It defaults to thermostatic mode, and if any of the heaters it monitors is showing an error (e.g. because no thermistor is connected), the firmware plays safe and turns the fan on. If you send M106 P1 H-1 then it should turn off.

          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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          • Robny
            Robny last edited by

            Thanks both, thats what it was, I only had the bed thermistor plugged in but hadn't yet configured it correctly.

            Thanks for the reassurance.
            Rob

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