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    Duet Ethernet with 24v fan

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    Duet Hardware and wiring
    fan0 cooling duet3d ethernet
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    • Bewarenundefined
      Bewaren @dc42
      last edited by

      @dc42 I am unsure, what pins should I have the jumper on?, its currently on the two right hand pins if looking at it from: https://d17kynu4zpq5hy.cloudfront.net/igi/duet3d/YN2oahyGpcPNN1Pw.huge | assuming that the jumper in question is the 3 pin one central to the 5 fan pins.

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

        @bewaren said in Duet Ethernet with 24v fan:

        @dc42 I am unsure, what pins should I have the jumper on?, its currently on the two right hand pins if looking at it from: https://d17kynu4zpq5hy.cloudfront.net/igi/duet3d/YN2oahyGpcPNN1Pw.huge | assuming that the jumper in question is the 3 pin one central to the 5 fan pins.

        That's correct, it's the right hand position if you are looking at the Duet with the stepper motor outputs at the top.

        To state the obvious: are you sure that the Duet is receiving 24V? If you send M122 to the Duet, the diagnostic report will include the VIN voltage.

        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

        Bewarenundefined 1 Reply Last reply Reply Quote 0
        • Bewarenundefined
          Bewaren @dc42
          last edited by

          @dc42 M122
          === Diagnostics ===
          RepRapFirmware for Duet 2 WiFi/Ethernet version 2.03 running on Duet Ethernet 1.02 or later
          Board ID: 08DGM-917DA-G4MSD-6JKDA-3SN6Q-TST39
          Used output buffers: 3 of 24 (6 max)
          === RTOS ===
          Static ram: 25680
          Dynamic ram: 93280 of which 380 recycled
          Exception stack ram used: 260
          Never used ram: 11472
          Tasks: NETWORK(ready,652) HEAT(blocked,1236) MAIN(running,3780) IDLE(ready,160)
          Owned mutexes:
          === Platform ===
          Last reset 00:00:19 ago, cause: power up
          Last software reset at 2019-07-29 14:33, reason: User, spinning module GCodes, available RAM 11472 bytes (slot 3)
          Software reset code 0x0003 HFSR 0x00000000 CFSR 0x00000000 ICSR 0x0441f000 BFAR 0xe000ed38 SP 0xffffffff Task 0x4e49414d
          Error status: 0
          Free file entries: 10
          SD card 0 detected, interface speed: 20.0MBytes/sec
          SD card longest block write time: 0.0ms, max retries 0
          MCU temperature: min -64.2, current -57.9, max -57.9
          Supply voltage: min 16.7, current 16.9, max 17.0, under voltage events: 0, over voltage events: 0, power good: yes
          Driver 0: standstill, SG min/max not available
          Driver 1: standstill, SG min/max not available
          Driver 2: standstill, SG min/max not available
          Driver 3: standstill, SG min/max not available
          Driver 4: standstill, SG min/max not available
          Date/time: 2019-07-29 17:01:52
          Cache data hit count 44910390
          Slowest loop: 1.10ms; fastest: 0.07ms
          I2C nak errors 0, send timeouts 0, receive timeouts 0, finishTimeouts 0, resets 0
          === Move ===
          Hiccups: 0, FreeDm: 169, MinFreeDm: 169, MaxWait: 0ms
          Bed compensation in use: none, comp offset 0.000
          === DDARing ===
          Scheduled moves: 0, completed moves: 0, StepErrors: 0, LaErrors: 0, Underruns: 0, 0
          === Heat ===
          Bed heaters = 0 -1 -1 -1, chamberHeaters = -1 -1
          === GCodes ===
          Segments left: 0
          Stack records: 2 allocated, 0 in use
          Movement lock held by null
          http is idle in state(s) 0
          telnet is idle in state(s) 0
          file is idle in state(s) 0
          serial is idle in state(s) 0
          aux is assembling a command in state(s) 0
          daemon is idle in state(s) 0
          queue is idle in state(s) 0
          autopause is idle in state(s) 0
          Code queue is empty.
          === Network ===
          Slowest loop: 4.33ms; fastest: 0.02ms
          Responder states: HTTP(0) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0) Telnet(0)
          HTTP sessions: 1 of 8
          Interface state 5, link 100Mbps full duplex

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          • Bewarenundefined
            Bewaren
            last edited by

            From what I can tell its getting 17v?, I may be incorrect though

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

              @bewaren said in Duet Ethernet with 24v fan:

              From what I can tell its getting 17v?, I may be incorrect though

              Is your mains voltage 120V? If so, check whether your PSU has an input voltage selector switch that is set to 230V.

              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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              • Bewarenundefined
                Bewaren
                last edited by

                The PSU is set to 220v atm. Could it be that the PSU is faulty or have I maybe bought a PSU that wont work with this board?, this is what I am using.

                https://www.amazon.co.uk/gp/product/B071W121H7/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1

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

                  @bewaren said in Duet Ethernet with 24v fan:

                  The PSU is set to 220v atm. Could it be that the PSU is faulty or have I maybe bought a PSU that wont work with this board?, this is what I am using.

                  https://www.amazon.co.uk/gp/product/B071W121H7/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1

                  That PSU looks OK unless you are using a high powered bed heater.

                  What is your local mains voltage? Your profile doesn't give your location.

                  If you have a multimeter, use it to measure the voltage across the VIN terminals.

                  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

                  Bewarenundefined 1 Reply Last reply Reply Quote 0
                  • Bewarenundefined
                    Bewaren @dc42
                    last edited by

                    @dc42 UK, so 230v, bed heater isn't high powered, just turned the printer back on and it seems the PSU has bust, pop and on inspection one of the caps inside has gone, ordering a new one today so will test the VIN terminals tomorrow, but potentially the PSU has been the cause of the issue all along?

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                    • Phaedruxundefined
                      Phaedrux Moderator
                      last edited by

                      That would explain the over volt on the 12v fans and not working 24v fans

                      Z-Bot CoreXY Build | Thingiverse Profile

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                      • Bewarenundefined
                        Bewaren
                        last edited by

                        New PSU and still no luck with getting the 24v cooling fan to work, its wired too PWM fan0, I am really unsure as to what the issue could be at this point, any ideas would be great @dc42 @Phaedrux

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                        • Bewarenundefined
                          Bewaren
                          last edited by

                          I am 100% sure I am receiving 24v on the board from my PSU as I have checked, I am also outputting 24v on the fan ports, very confused why its not powering the fan.

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                          • Phaedruxundefined
                            Phaedrux Moderator
                            last edited by

                            Does the fan work if you connect it directly to 24v power?

                            What is you m106 command to control the fan?

                            Which port are you using?

                            Is the fan fuse intact?

                            Z-Bot CoreXY Build | Thingiverse Profile

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                            • Bewarenundefined
                              Bewaren
                              last edited by

                              Solution!, I had checked literally everything and replaced everything, turns out it was the wire, I set my multimeter to continuity mode and found that there was an internal break in my + wire connecting to the fan, looked intact and was the only other part I hadn't replaced, now that thats gone and a new wire is in place I am up and running with it, so it seems anyway!

                              Thanks for the support guys!

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