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    Part Cooling fan Wont turn off - Fan0

    Tuning and tweaking
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    • Adamfilip
      Adamfilip last edited by

      Fan0 on my Duet Wifi wont turn off even if the value is set to 0
      is a 2 wire blower fan

      M950 F0 C"fan0" Q500 ;create fan 0 on pin fan0 and set its frequency
      M106 P0 S0 H-1 ; set fan 0 value. Thermostatic control is turned off

      cosmowave T3P3Tony 2 Replies Last reply Reply Quote 0
      • cosmowave
        cosmowave @Adamfilip last edited by

        @adamfilip which FW are you using?
        Is the wiring correct?
        Can you control the speed or is the fan always on full speed?

        Mankati FSXT+, DeltaTowerV2, CBot3D

        Adamfilip 1 Reply Last reply Reply Quote 0
        • T3P3Tony
          T3P3Tony administrators @Adamfilip last edited by

          @adamfilip sounds like a fan MOSFET may have blown. What happens if you swap to fan 1 or fan 2 if fan 1 is in use

          www.duet3d.com

          Adamfilip 1 Reply Last reply Reply Quote 0
          • Adamfilip
            Adamfilip @T3P3Tony last edited by

            @t3p3tony if I use Fan2,, its the same.
            and speed can be controlled just not to none

            1 Reply Last reply Reply Quote 0
            • Adamfilip
              Adamfilip @cosmowave last edited by

              @cosmowave
              I can control speed but not turn it off

              Board: Duet 2 WiFi (2WiFi)
              Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 3.2 (2021-01-05)
              Duet WiFi Server Version: 1.25

              T3P3Tony cosmowave 2 Replies Last reply Reply Quote 0
              • T3P3Tony
                T3P3Tony administrators @Adamfilip last edited by

                @adamfilip ahh ok not the same issue. please post the model number of the fan and a clear pic of how it is wired. Also is this a new fan or did it used to work before?

                www.duet3d.com

                1 Reply Last reply Reply Quote 0
                • cosmowave
                  cosmowave @Adamfilip last edited by

                  @adamfilip can it be that something is wrong in the wiring of the fan?Perhaps a defect fan-cable which has a little conductivity to GND?

                  Mankati FSXT+, DeltaTowerV2, CBot3D

                  1 Reply Last reply Reply Quote 0
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