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    Issue with Duet 3 MB6HC – STATE and ACT LEDs Not Lighting Up

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    • R006undefined
      R006
      last edited by

      hey,

      I am using a Duet 3 MB6HC (version 1.02) with a custom build of RRF 3.4.0beta3. Upon powering up the board, I have observed that the STATE and ACT LEDs on the mainboard do not illuminate, while the LEDs on the 1XD expansion board are functioning correctly.

      Due to project constraints, I am unable to update the firmware. I would appreciate any insights or recommendations on troubleshooting this issue.

      @dc42 @Phaedrux

      dc42undefined 1 Reply Last reply Reply Quote 0
      • dc42undefined
        dc42 administrators @R006
        last edited by

        @R006 the LEDs were moved to different pins between revision 1.01 and 1.02 of the 6HC. Later versions of RRF detect the board version and drive the correct pins. RRF 3.4 does not include that code.

        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

        R006undefined 1 Reply Last reply Reply Quote 0
        • R006undefined
          R006 @dc42
          last edited by

          @dc42
          Thank you for your response.

          If I want to change the pin number to light up LEDs, where should I modify the firmware code?

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