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    Duet Wifi strange error : Heater fault

    Tuning and tweaking
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    • blulaserstar
      blulaserstar last edited by

      I have a Duet wifi, i print PLA at 230 ° after a few minutes of printing show me this error: "Canceled printing file test.gcode, print time was 0h 9m
      Error: Shutting down two to one-cleared heater fault after 600 seconds "
      I did ghost print without PLA filament with temperature 0° gives me the following error:
      "Warning: Tool 1 was not heated because it has a heater fault" but completes printing.
      I did another phantom print test with the 230° temperature without pla filament and completed it.
      Is it possible that the pla filament with a 0.8 nozzle can give problems to the temperatures?

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      • blulaserstar
        blulaserstar last edited by

        I have done another test!
        With my gcode at 230° i have set manually the duet at 245, i hope that the more gap by the machine and gcode help the tollerance of heater fault. But no!!! The machine Stop after 2 minute of work. But if i use the same file and not load the filament, this problem disappear

        wilriker 1 Reply Last reply Reply Quote 0
        • wilriker
          wilriker @blulaserstar last edited by wilriker

          @blulaserstar Just guessing here: it might be that with your rather large nozzle the heater cannot keep up against the "cold" filament. Have you tried reducing print speed? This would also reduce the amount of plastic pushed into the hotend in the same amount of time and would therefore have a lower cooling effect.

          Manuel
          Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
          with probably always latest firmware/DWC (incl. betas or self-compiled)
          My Tool Collection

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          • Dougal1957
            Dougal1957 last edited by

            Have you PID Tuned the heater as well?

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            • dc42
              dc42 administrators last edited by

              1. Run PID tuning on the heater, if you haven't already.

              2. 10 minutes before the heater shuts down, it should pause the print with a message about the heater fault. Did it do that, and if so what was the heater fault message?

              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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              • blulaserstar
                blulaserstar last edited by

                OK i have try to do this:
                nozzle diameter: 0,80
                extrusion multiplier: before was 1 now 0,80
                Extrusion with: before was 0,96 now 0,90
                First layer speed: before was 80% now 65%
                Speed: i have tryed 30mms, 40mms, 50mms.

                But always at 0:9 minuts the error jump!!!

                For the PID, i have controlled this parameters on config:

                ; Heaters;
                M305 P0 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 0
                M143 H0 S120 ; Set temperature limit for heater 0 to 120C
                M305 P1 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 1
                M143 H1 S280 ; Set temperature limit for heater 1 to 280C
                M305 P2 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 2
                M143 H2 S280 ; Set temperature limit for heater 2 to 280C

                Alway always stop at 0.9minut

                wilriker 1 Reply Last reply Reply Quote 0
                • wilriker
                  wilriker @blulaserstar last edited by

                  @blulaserstar said in Duet Wifi strange error : Heater fault:

                  For the PID, i have controlled this parameters on config:

                  ; Heaters;
                  M305 P0 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 0
                  M143 H0 S120 ; Set temperature limit for heater 0 to 120C
                  M305 P1 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 1
                  M143 H1 S280 ; Set temperature limit for heater 1 to 280C
                  M305 P2 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 2
                  M143 H2 S280 ; Set temperature limit for heater 2 to 280C

                  There are no PID tuned values in there. They would start with M307. Did you perform M303: Run heater tuning?

                  Manuel
                  Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                  with probably always latest firmware/DWC (incl. betas or self-compiled)
                  My Tool Collection

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                  • blulaserstar
                    blulaserstar last edited by

                    No i didn't perform m303 run heater tuning, i'm try to understand the guide that you have link to me. Really thanks

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                    • blulaserstar
                      blulaserstar last edited by

                      ok i have tryed to do but, is not easy 😉 now when io check the tune:

                      M303
                      Heater 1 tuning failed

                      Grrrrrr i hope to do 😞

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

                        @blulaserstar said in Duet Wifi strange error : Heater fault:

                        M303
                        Heater 1 tuning failed

                        Is that all? It usually says why it failed.

                        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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                        • blulaserstar
                          blulaserstar last edited by

                          alt text

                          but i'm not sure that i have done the right things:

                          alt text

                          1 Reply Last reply Reply Quote 0
                          • deckingman
                            deckingman last edited by deckingman

                            M303 on it's own simply reports the status of the last heater tune. To tune the heater you need to specify which heater, the PWM valuer to use (usually 1.0 which is the default) and the target temperature. So use something like M303 H1 S270. Once the tuning has completed successfully, you need to use M307 to add the A, C and D paramters into you configuration file, either use M500 to put them into config.overide.g or enter the values directly into config.g. See here https://duet3d.dozuki.com/Wiki/Tuning_the_heater_temperature_control

                            Ian
                            https://somei3deas.wordpress.com/
                            https://www.youtube.com/@deckingman

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                            • Phaedrux
                              Phaedrux Moderator last edited by

                              You need to send those M303 commands from the console, not in config.g. It will go through a PWM tuning routine and will result in values appropriate for your heater to maintain your requested temperature. Those values will then go into your config, either by manually entering them into config.g or by saving them with M500 so they automatically go into config-override.g Doing it that way will require M501 at the end of config.g to load the values from config-override.g

                              https://duet3d.dozuki.com/Wiki/Tuning_the_heater_temperature_control#Section_Setting_the_model_parameters_by_auto_tuning

                              Z-Bot CoreXY Build | Thingiverse Profile

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                              • blulaserstar
                                blulaserstar last edited by

                                ok really really thanks for your help. i have done the auto tune only the first one don't show me error the other: alt text
                                alt text
                                but i have done the M307 H2 and show: alt text So i have do M500 and on config i have write:
                                M307 H2 A537.6 C202.5 D5.9 B0

                                But now i have a problem: when i select my tool and i do: G10 P1 S230 nothing is happen!!! I have try to delete the row M307 H2 A537.6 C202.5 D5.9 B0 on my config but no more heate the nozzle!

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                                • blulaserstar
                                  blulaserstar last edited by

                                  update i have tryed to set 170 as active or standbye temperature, and it work, so I set 180, 190...220 and it work but if i write 230, the H2 go off 😮

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

                                    @blulaserstar said in Duet Wifi strange error : Heater fault:

                                    update i have tryed to set 170 as active or standbye temperature, and it work, so I set 180, 190...220 and it work but if i write 230, the H2 go off 😮

                                    What exactly happens when you try to set 230C: does it start heating but then give you a heating fault? Or does it refuse to heat at all? If it refuses to heat at all, check your M143 H2 temperature limit setting.

                                    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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                                    • blulaserstar
                                      blulaserstar last edited by

                                      you are right, i'm sorry, i haven't see that the m143 h2 was 230!
                                      But nothing the printer stop at 9 minuts!!!

                                      I have tryed to do auto tuning at 270° and save with m500 but at 9 minuts stop:
                                      Cancelled printing file sgianpolrotato.gcode, print time was 0h 9m
                                      Error: Shutting down due to un-cleared heater fault after 600 seconds

                                      now i don't really know what can i do!

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                                      • dc42
                                        dc42 administrators last edited by

                                        Do you have a M501 command near the end of config.g, so that it runs config-override.g which is where M500 stores the heater tuning results?

                                        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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                                        • blulaserstar
                                          blulaserstar last edited by

                                          yes I have it and keeps giving the same error after 9 minutes

                                          alt text
                                          alt text

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

                                            Might you be getting a heater fault right at the start of the print? I suggest you start a print and then look very carefully at status of all heaters reported by DWC.

                                            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

                                            1 Reply Last reply Reply Quote 0
                                            • blulaserstar
                                              blulaserstar last edited by

                                              i have look verry verry carefully the DWC here is a screen video me i don't see nothing of strange
                                              Screen capture video

                                              Dougal1957 1 Reply Last reply Reply Quote 0
                                              • Dougal1957
                                                Dougal1957 @blulaserstar last edited by

                                                @blulaserstar in that video it clearly shows that you have heater faults on Tool0 and the Bed heater they both read 2000C which is normally a open circuit thermistor on those heater you need to either disable them or correct them I bet you are actually getting the print stop at 9:59 secs.

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                                                • blulaserstar
                                                  blulaserstar last edited by

                                                  @Dougal1957 nooooooo you aren't say me that the bed heater disconnect make this error????

                                                  I don't believe! How do you suggest to disable? by comment the firmware, on config.g?

                                                  Dougal1957 1 Reply Last reply Reply Quote 0
                                                  • Dougal1957
                                                    Dougal1957 @blulaserstar last edited by Dougal1957

                                                    @blulaserstar you can comment out the lines in Config.g but the best way is to fix the thermistors on both the bed and the Tool ) as they are both in error.

                                                    0_1534933479275_bdcfbb38-59e0-4547-a6d3-d739e7599fd4-image.png

                                                    blulaserstar 1 Reply Last reply Reply Quote 0
                                                    • blulaserstar
                                                      blulaserstar @Dougal1957 last edited by

                                                      @dougal1957 i know, but for the moment and for the future i don't want to use the bed and the second extruder! so i prefer to disable a moment in the firmware. On december i think that i'll try to activate the bed and the second extruder.

                                                      Dougal1957 1 Reply Last reply Reply Quote 0
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