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    I think my new Magnetic Filament Monitor is dead.

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    Filament Monitor
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    • shinookundefined
      shinook
      last edited by

      They weren’t flashing since last night, but after I shut it down and back on to get those pics, the lights are flashing again. Without running the printer, just letting it be powered on, the lights flash three long green when turned on, and then green - red -greed - red. While printing, it was just flashing green.

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        Alright, so based on this, 3 green at startup means the magnet is detected correctly. That's good. Red and Green means it's communicating with the Duet, that's good. And flashing while printing is good as well.

        Can you try running the calibration on it again?

        https://duet3d.dozuki.com/Wiki/Duet3dFilamentMonitor_RotatingMagnetVersion#Section_Status_indication_LEDs

        Status indication LEDs
        In normal operation the filament monitor will flash the green LED 3 times to indicate the magnet is detected. The green LED will then flash periodically red and green indicating communication to the Duet (the green flashes are position reports, the red ones are status reports). If the magnet is rotating the green LED will flash more frequently (can look like almost solid green)

        If the filament monitor fails to initialise after power up, then instead of flashing the green LED 3 times it will flash the red LED to indicate an error. It will continue to try to initialise and flash the red LED until successful initialisation.

        The number of flashes of the red LED indicates the nature of the error, as follows:

        4 flashes: I2C communications error
        5 flashes: I2C channel is in an incorrect state
        6 flashes: Magnet not detected. Typically this means that the magnet is too far away from the sensor chip.

        Z-Bot CoreXY Build | Thingiverse Profile

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        • shinookundefined
          shinook
          last edited by

          Will do. Thank you.

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          • shinookundefined
            shinook
            last edited by

            Thank you for your help.
            I was just now able to successfully print a test cube without a single pause. I guess it just needed me to give up on it before it would put forth its best effort....

            F0020538-8197-413A-BD78-11B727689DB8.jpeg

            I guess that calibration looks good? I’ll go ahead and try a larger print now.
            Thank you again for the help.
            -Isaac

            Phaedruxundefined 1 Reply Last reply Reply Quote 0
            • shinookundefined
              shinook
              last edited by

              Oh, do I put that 25.10mm/rev into my config.g now?

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              • Phaedruxundefined
                Phaedrux Moderator
                last edited by

                Yes I think so based on this:

                Calibration
                If you haven't done so already, send the M591 command with the correct parameters to tell the firmware about the sensor.
                Run M591 D# where # is the extruder number and check that the sensor angle is reported, to confirm that communication from the filament monitor to the Duet is working.
                Start a print.
                During and after the print, as soon as sufficient filament has been extruded you can use M591 D# (where # is the extruder number) to report the measured mm/rev averaged over the print thus far, and its variation.
                If you pause and then resume the print, calibration will be re-started and the values accumulated from before you paused will be discarded.
                The mm/rev value goes into the L parameter of the M591 command. Use a positive or negative sign as reported by M591. Set the R (tolerance) parameter to somewhat more than the reported variation.

                Z-Bot CoreXY Build | Thingiverse Profile

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                • Phaedruxundefined
                  Phaedrux Moderator @shinook
                  last edited by

                  @shinook said in I think my new Magnetic Filament Monitor is dead.:

                  I guess it just needed me to give up on it before it would put forth its best effort....

                  Sometimes that's the way it goes.

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • shinookundefined
                    shinook
                    last edited by

                    So, got more pauses and an “Extruder 0 report sensor not working” error. It’s otherwise working great. But, not sure what to do. Having my printer stop because of the sensor is getting frustrating.

                    020B9EFF-0F4E-4749-9E0A-ED15C6EBE95D.png

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                    • dc42undefined
                      dc42 administrators
                      last edited by

                      1. A screen shot in one of your previous posts showed that you are running firmware 2.05. Please upgrade to firmware 2.05.1. It might fix the issue, although more likely it won't.

                      2. Please keep a close eye on the AGC value reported by M591. If it goes much above 100 then we'll replace your filament monitor.

                      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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                      • shinookundefined
                        shinook
                        last edited by

                        Ok. I’ll update the firmware.

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                        • shinookundefined
                          shinook
                          last edited by shinook

                          Update the firmware.
                          I keep getting random pauses from “too much” or “too little” movement. Though they aren’t as common as the good old “ sensor not working”. My AGC is still in the low 90’s. And every time I check the status of the monitor(while its working) the results are between 99% and 103%.

                          Honestly, it’s causing more problems than its worth. If I can’t get it to stop pausing my prints, I’ll need to find a more reliable monitor.

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

                            @shinook said in I think my new Magnetic Filament Monitor is dead.:

                            I keep getting random pauses from “too much” or “too little” movement.

                            What do you have the min and max allowed percentages set to?

                            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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                            • shinookundefined
                              shinook
                              last edited by

                              70% to 130%

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                              • shinookundefined
                                shinook
                                last edited by

                                It’ll work great for multiple prints, then pause a 3 hour print 5 times.

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                                • dc42undefined
                                  dc42 administrators
                                  last edited by

                                  Have the "sensor not working" errors gone completely, or not?

                                  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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                                  • shinookundefined
                                    shinook
                                    last edited by

                                    No, I get them several times a day.

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                                    • shinookundefined
                                      shinook
                                      last edited by

                                      I wish that it at least kept the calibration data from before a pause. Or gave some data about the pause. But it deletes it all and makes trouble shooting it from a logical data driven method near impossible.

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                                      • shinookundefined
                                        shinook
                                        last edited by

                                        But, at this point, with the AGC still showing good, I think it’s just got something wrong with the brains of the thing.

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                                        • dc42undefined
                                          dc42 administrators
                                          last edited by dc42

                                          My guess is that there is occasional corruption in the received data. This isn't necessarily due to interference, it could just be caused by the processor load causing interrupts to be delayed. There is a parity check on the data, but of course that will only detect a single bit error.

                                          Does your system include a PanelDue, and if so, does it use the default baud rate of 57600 or a different one?

                                          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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                                          • shinookundefined
                                            shinook
                                            last edited by

                                            No, I’m using a. Maestro with the LCD 12864F-3.

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