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Unable to configure bed heater

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Tuning and tweaking
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  • undefined
    engikeneer @Weevil
    last edited by 23 May 2021, 13:40

    @weevil post your full config and config override using the </> code tags.
    Looks like it's not reading the tuned parameters (1.7deg/s is the default for a heater)

    E3D TC with D3Mini and Toolboards.
    Home-built CoreXY, Duet Wifi, Chimera direct drive, 2x BMG, 300x300x300 build volume
    i3 clone with a bunch of mods

    undefined 1 Reply Last reply 23 May 2021, 14:14 Reply Quote 0
    • undefined
      Weevil @engikeneer
      last edited by 23 May 2021, 14:14

      @engikeneer You just gave me an idea. I'll try editing the M307 code.

      undefined 1 Reply Last reply 23 May 2021, 14:21 Reply Quote 0
      • undefined
        Weevil @Weevil
        last edited by 23 May 2021, 14:21

        @engikeneer EDiting the code directly didn't work either. It's still complaining.

        1 Reply Last reply Reply Quote 0
        • undefined
          Phaedrux Moderator
          last edited by 23 May 2021, 19:57

          post your full config and config override

          Z-Bot CoreXY Build | Thingiverse Profile

          undefined 1 Reply Last reply 23 May 2021, 20:39 Reply Quote 0
          • undefined
            Weevil @Phaedrux
            last edited by Weevil 23 May 2021, 20:39

            @phaedrux config:

            ; Configuration file for Duet 3 (firmware version 3)
            ; executed by the firmware on start-up
            ;
            ; generated by RepRapFirmware Configuration Tool v2.1.8 on Thu Feb 20 2020 16:55:51 GMT-0800 (Pacific Standard Time)

            ; General preferences
            G90
            M83
            M550 P"MYTH3D"

            M667 S1
            M575 P1 B57600 S1

            ; Networking
            M552 P192.168.1.19 S1
            M553 P255.255.255.0
            M554 192.168.1.1
            M586 P1 S1
            M586 P2 S1
            M552 S1

            ; Drives
            M569 P0.0 S1
            M569 P0.1 S0
            M569 P0.2 S1
            M569 P0.5 S1
            M569 P0.3 S1
            M569 P0.4 S1
            M584 X0.0 Y0.1 Z0.2:0.3:0.4 E0.5
            M350 X16 Y16 Z16 E16 I1
            M92 X80.00 Y80.00 Z400.00 E400.00
            M566 X900.00 Y900.00 Z12.00 E120.00
            M203 X6000.00 Y6000.00 Z180.00 E1200.00
            M201 X500.00 Y500.00 Z20.00 E250.00
            M906 X800 Y800 Z800 E800
            M84 S30
            M671 X-15:150:310 Y50:310:150 1S0.5

            ; Axis Limits
            M208 X0 Y0 Z0 S1
            M208 X300 Y300 Z500 S0

            ; Endstops
            M574 X2 S1 P"io5.in"
            M574 Y1 S1 P"io2.in"

            ; Z-Probe
            M950 S0 C"io7.out"
            M558 P9 C"io7.in" H5 F120 T6000
            G31 P25 X-38 Y0 Z1.05
            M557 X15:227 Y5:210 S50

            ; Heaters
            M308 S0 P"temp1" Y"thermistor" T100000 B4138
            M950 H0 C"out2" T0
            M307 H0 B1 S1.00
            M140 H0
            M143 H0 S100
            M308 S0 P"temp0" Y"thermistor" T100000 B4138
            M950 H1 C"out1" T0
            M143 H1 S280

            ; Fans
            M950 F1 C"out7" Q500
            M106 P1 S1 H T45
            M950 F0 C"out8" Q500
            M106 P0 S255

            ; Custom settings are not defined

            ; Miscellaneous
            M501
            M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000"

            ; Tools
            M563 P0 S"MYTHprint" D0 H1 F0
            M563 P0 D0 H1 F0
            G10 P0 X0 Y0 Z0
            G10 P0 R0 S0
            T0

            Config override

            ; config-override.g file generated in response to M500 at 2021-05-23 11:36
            ; This is a system-generated file - do not edit
            ; Heater model parameters
            M307 H0 R0.299 C620.600:620.600 D1.28 S1.00 V22.7 B0 I0
            M307 H1 R1.970 C184.600:184.600 D5.04 S1.00 V23.9 B0 I0
            ; Workplace coordinates
            G10 L2 P1 X0.00 Y0.00 Z0.00
            G10 L2 P2 X0.00 Y0.00 Z0.00
            G10 L2 P3 X0.00 Y0.00 Z0.00
            G10 L2 P4 X0.00 Y0.00 Z0.00
            G10 L2 P5 X0.00 Y0.00 Z0.00
            G10 L2 P6 X0.00 Y0.00 Z0.00
            G10 L2 P7 X0.00 Y0.00 Z0.00
            G10 L2 P8 X0.00 Y0.00 Z0.00
            G10 L2 P9 X0.00 Y0.00 Z0.00

            1 Reply Last reply Reply Quote 0
            • undefined
              Phaedrux Moderator
              last edited by 25 May 2021, 18:50

              I would suggest deleting the config-override.g file and then re-run the heater tuning with M303 and when it completes use M500 again to save it, which should create a fresh config-override.g file.

              Z-Bot CoreXY Build | Thingiverse Profile

              undefined 3 Replies Last reply 25 May 2021, 19:23 Reply Quote 0
              • undefined
                Weevil @Phaedrux
                last edited by 25 May 2021, 19:23

                @phaedrux I'll give it a shot.

                1 Reply Last reply Reply Quote 0
                • undefined
                  Weevil @Phaedrux
                  last edited by 26 May 2021, 12:53

                  @phaedrux That did not work. I got the following message:

                  Warning: heater behaviour was not consistent during tuning
                  Auto tuning heater 0 completed after 4 idle and 25 tuning cycles in 3679 seconds. This heater needs the following M307 command:
                  M307 H0 B0 R0.317 C276.8 D1.57 S1.00 V22.7
                  Send M500 to save this command in config-override.g

                  As with all tests, the beep alarm would go off each time the bed heats up. I went ahead and saved the code with M500 but the issue remains. I would be happy if I could just disable the alert. It appears to function fine.

                  1 Reply Last reply Reply Quote 0
                  • undefined
                    Weevil @Phaedrux
                    last edited by 26 May 2021, 13:27

                    @phaedrux I think the issue is the board is treating the bed heater like a nozzle heater. It is running tests with the fan on and fan off.

                    These codes:
                    M308 S0 P"temp1" Y"thermistor" T100000 B4138
                    M308 S0 P"temp0" Y"thermistor" T100000 B4138

                    They look identical. Perhaps there is a code for bed heaters.

                    undefined 1 Reply Last reply 26 May 2021, 17:56 Reply Quote 1
                    • undefined
                      Phaedrux Moderator @Weevil
                      last edited by 26 May 2021, 17:56

                      @weevil said in Unable to configure bed heater:

                      I think the issue is the board is treating the bed heater like a nozzle heater. It is running tests with the fan on and fan off.

                      What M303 command are you using to tune the bed?

                      M303 T# will tune the heater as a tool with the fan
                      M303 H# will tune the heater as a heater without the fan

                      https://duet3d.dozuki.com/Wiki/Gcode#Section_M303_Run_heater_tuning

                      Z-Bot CoreXY Build | Thingiverse Profile

                      undefined 2 Replies Last reply 26 May 2021, 18:32 Reply Quote 0
                      • undefined
                        Weevil @Phaedrux
                        last edited by 26 May 2021, 18:32

                        @phaedrux I thought I was using H. I'll double-check when I get home. But the M308 command, shouldn't the T100000 B4138 be different for bed?

                        undefined 1 Reply Last reply 26 May 2021, 18:38 Reply Quote 0
                        • undefined
                          engikeneer @Weevil
                          last edited by 26 May 2021, 18:38

                          @weevil depends what thermistor you have. B4138 is the default the config tool uses so is almost certainly not right for your setup. You probably should find out the correct values for your thermistor (for both hotend and bed).
                          Having said that, it should only affect how accurate the measured temperature is (and probably won't make much difference at lower temperatures used by the bed).

                          E3D TC with D3Mini and Toolboards.
                          Home-built CoreXY, Duet Wifi, Chimera direct drive, 2x BMG, 300x300x300 build volume
                          i3 clone with a bunch of mods

                          undefined 1 Reply Last reply 26 May 2021, 18:40 Reply Quote 1
                          • undefined
                            Weevil @engikeneer
                            last edited by Weevil 26 May 2021, 18:40

                            @engikeneer The thermistor for my Keenovo pad is an NTC100K if that helps.
                            Also note, the heated bed size is 300x300.

                            undefined 1 Reply Last reply 26 May 2021, 19:19 Reply Quote 0
                            • undefined
                              Phaedrux Moderator @Weevil
                              last edited by 26 May 2021, 19:19

                              @weevil said in Unable to configure bed heater:

                              The thermistor for my Keenovo pad is an NTC100K if that helps.

                              Chances are the B value should be B3950 in that case.

                              Z-Bot CoreXY Build | Thingiverse Profile

                              undefined 1 Reply Last reply 26 May 2021, 19:24 Reply Quote 1
                              • undefined
                                Weevil @Phaedrux
                                last edited by 26 May 2021, 19:24

                                @phaedrux Thanks, I'll try that (fingers crossed).

                                1 Reply Last reply Reply Quote 0
                                • undefined
                                  Weevil @Phaedrux
                                  last edited by Weevil 27 May 2021, 00:33

                                  @phaedrux M303 T# produces this error:
                                  M303 H# tests with the fan
                                  M303 T1 S60
                                  Error: M303: tool 1 not found

                                  undefined 1 Reply Last reply 27 May 2021, 02:28 Reply Quote 0
                                  • undefined
                                    theruttmeister @Weevil
                                    last edited by 27 May 2021, 02:28

                                    @weevil said in Unable to configure bed heater:

                                    @phaedrux M303 T# produces this error:
                                    M303 H# tests with the fan
                                    M303 T1 S60
                                    Error: M303: tool 1 not found

                                    Not surprising...

                                    M563 P0 S"MYTHprint" D0 H1 F0
                                    M563 P0 D0 H1 F0

                                    You have configured Tool 0. There is no Tool 1.

                                    Although I'm not sure why you are getting the fan running when the heater is.

                                    Also you have a random H without a value:

                                    M106 P1 S1 H T45

                                    Doubt it's causing the problem, but can't hurt to fix.

                                    Isolate, substitute, verify.

                                    undefined 1 Reply Last reply 27 May 2021, 04:02 Reply Quote 1
                                    • undefined
                                      Phaedrux Moderator
                                      last edited by 27 May 2021, 03:44

                                      @weevil said in Unable to configure bed heater:

                                      M106 P0 S255

                                      This may need to be M106 P0 S1 H-1 to work correctly as a part cooling fan. That might have something to do with it.

                                      Z-Bot CoreXY Build | Thingiverse Profile

                                      1 Reply Last reply Reply Quote 0
                                      • undefined
                                        Weevil @theruttmeister
                                        last edited by 27 May 2021, 04:02

                                        @theruttmeister My bad, for some reason I was thinking T as temp probe, not tool. Using the code M303 T0 S60 goes to the nozzle. I need this to test the bed heater. I'm not sure what code I am missing.

                                        1 Reply Last reply Reply Quote 0
                                        • undefined
                                          Phaedrux Moderator
                                          last edited by 27 May 2021, 04:08

                                          For the tool you use M303 T0 S### (or M303 H1 S###) and for the bed heater you use M303 H0 S##.

                                          The tool tuning is intended to allow the algorithm to use the part cooling fan during the tuning process so that it can compensate for any fan cooling effect. It's not supposed to do that when tuning the bed though, so that may be a bug. Or maybe it's taking into account the fan effect for the bed heater now as well.

                                          Z-Bot CoreXY Build | Thingiverse Profile

                                          undefined 2 Replies Last reply 27 May 2021, 04:24 Reply Quote 0
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