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    After updating to 3.4.0beta2: faulty heater 1, -273.1C.

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    • dc42undefined
      dc42 administrators @Serge
      last edited by

      @serge what were the values reported by M308 S1 before and after you ran the M308 S1 H999 command?

      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

      Sergeundefined 1 Reply Last reply Reply Quote 0
      • Sergeundefined
        Serge @dc42
        last edited by

        @dc42 H-8 L-13
        after the calibration, H51 L-13, but i can't calibrate with M308 S1 L999

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

          @serge said in After updating to 3.4.0beta2: faulty heater 1, -273.1C.:

          @dc42 H-8 L-13
          after the calibration, H51 L-13, but i can't calibrate with M308 S1 L999

          Thanks. Do you mean you can't calibrate because you can't easily short the pins TEMP0 together?

          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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          • pixelpieperundefined
            pixelpieper @dc42
            last edited by

            @dc42 I went through your Procedure, I hope it helps:

            Send M308 S1 (assuming the tool board thermistor is Sensor 1) and record the result, in particular the H and L values.

            Sensor 1 (Hotend) type PT1000 using pin 121.temp0, reading 20.8, last error: sensor not ready, R:2200.0 L:-8 H:-12
            

            Send M122 B121 and record the reported VIN value

            VIN: 24.4V
            

            Switch the tool board firmware to 3.4beta2.

            Send M308 S1 again, check that it reports the same H and L

            Sensor 1 (Hotend) type PT1000 using pin 121.temp0, reading 6.6, last error: sensor not ready, R:2200.0 L:-8 H:-12
            

            Send M122 and check tna the reported VIN value is the same as before

            VIN: 24.3V
            

            Run the calibration procedure described at https://duet3d.dozuki.com/Wiki/Calibrating_thermistor_and_PT1000_readings on the tool board thermistor input. If it's tricky to do the short-circuit calibration test, just do the open-circuit calibration, which should be sufficient to correct the reading at room temperature.

            H: works

            L: M308 S1 L999

            Error: M308: Computed correction is not valid. Check that you have placed a jumper across the thermistor input. 
            

            (I did jumper the input and I verified that it shorts correctly)

            Send M308 S1 again to see the new H and L values

            Sensor 1 (Hotend) type PT1000 using pin 121.temp0, reading 2000.0, last error: short-circuit in sensor, R:2200.0 L:-8 H:52
            

            Check whether the readings are now correct.

            NO, the temperature actually dropped by 2 degrees.

            Voron V2.434 / Duet 3 Mini5+, Duet 3 Expansion Mini 2+, Duet 1LC V1.1 Toolboard
            Voron V0.250 / Duet 2 Maestro

            1 Reply Last reply Reply Quote 0
            • pixelpieperundefined
              pixelpieper
              last edited by

              @dc42 one more point: I did downgrade the 1LC V1.1 back to 3.3 and repeated the calibration procedure, worked without issues.

              Voron V2.434 / Duet 3 Mini5+, Duet 3 Expansion Mini 2+, Duet 1LC V1.1 Toolboard
              Voron V0.250 / Duet 2 Maestro

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

                @pixelpieper thanks for that data. That gives me something to work on.

                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

                CadetCundefined 1 Reply Last reply Reply Quote 0
                • CadetCundefined
                  CadetC @dc42
                  last edited by

                  @dc42 said in After updating to 3.4.0beta2: faulty heater 1, -273.1C.:

                  @pixelpieper thanks for that data. That gives me something to work on.

                  I don't know if more information is needed, but I would also like to confirm the temperature problem .
                  recorded temperature at room temperature - RRF3.4b2
                  temp 3.4b2.JPG

                  recorded temperature after change to RRF3.3
                  temp 3.3.JPG

                  I performed the following actions

                  1.Send M308 S1 (assuming the tool board thermistor is Sensor 1) and record the result, in particular the H and L values.
                  2.Send M122 B121 and record the reported VIN value
                  3.Switch the tool board firmware to 3.4beta2.
                  4.Send M308 S1 again, check that it reports the same H and L
                  5.Send M122 and check tna the reported VIN value is the same as before
                  6.Run the calibration procedure described at https://duet3d.dozuki.com/Wiki/Calibrating_thermistor_and_PT1000_readings on the tool board thermistor input. If it's tricky to do the short-circuit calibration test, just do the open-circuit calibration, which should be sufficient to correct the reading at room temperature.
                  7.Send M308 S1 again to see the new H and L values
                  8.Check whether the readings are now correct.

                  1.Send M308 S1 (assuming the tool board thermistor is Sensor 1) and record the result, in particular the H and L values.

                  M308 S1
                  Sensor 1 (Hotend) type Thermistor using pin 121.temp0, reading 21.4, last error: success, T:100000.0 B:4138.0 C:0.00e+0 R:2200.0 L:-7 H:-12
                  

                  2.Send M122 B121 and record the reported VIN value

                  M122 B121
                  Diagnostics for board 121:
                  Duet TOOL1LC firmware version 3.3 (2021-06-15 16:12:58)
                  Bootloader ID: SAMC21 bootloader version 2.3 (2021-01-26b1)
                  ...........
                  VIN: 24.9V
                  
                  

                  3.Switch the tool board firmware to 3.4beta2.

                  4.Send M308 S1 again, check that it reports the same H and L

                  M308 S1
                  Sensor 1 (Hotend) type Thermistor using pin 121.temp0, reading 3.1, last error: sensor not ready, T:100000.0 B:4138.0 C:0.00e+0 R:2200.0 L:-7 H:-12
                  

                  5.Send M122 and check tna the reported VIN value is the same as before

                  m122 b121.0
                  Diagnostics for board 121:
                  Duet TOOL1LC firmware version 3.4.0beta2 (2021-08-03 10:00:09)
                  Bootloader ID: SAMC21 bootloader version 2.3 (2021-01-26b1)
                  ...................
                  VIN: 24.9V
                  

                  6.Run the calibration procedure described at https://duet3d.dozuki.com/Wiki/Calibrating_thermistor_and_PT1000_readings on the tool board
                  thermistor disconnected
                  therm disc.JPG

                  M308 S1 H999
                  Measured H correction for port "121.temp0" is 47
                  

                  jumper across each thermistor input

                  6fddb45b-fc64-4481-a930-0a25a61fedc8-image.png

                  cM308 S1 L999
                  Error: M308: Computed correction is not valid. Check that you have placed a jumper across the thermistor input.ode_text
                  

                  7.Send M308 S1 again to see the new H and L values

                  M308 S1
                  Sensor 1 (Hotend) type Thermistor using pin 121.temp0, reading 21.4, last error: success, T:100000.0 B:4138.0 C:0.00e+0 R:2200.0 L:-12 H:47
                  

                  8.Check whether the readings are now correct
                  reading at room temperature seems to be OK.
                  after calibration.JPG

                  but how i can be sure about high temps?

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

                    @cadetc thanks for your test results. I recommend you revert the tool board firmware to 3.3 and recalibrate, until I have identified and fixed the problem. You can continue running 3.4beta2 on the main board.

                    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

                    CadetCundefined 1 Reply Last reply Reply Quote 0
                    • CadetCundefined
                      CadetC @dc42
                      last edited by CadetC

                      @dc42 said in After updating to 3.4.0beta2: faulty heater 1, -273.1C.:

                      @cadetc thanks for your test results. I recommend you revert the tool board firmware to 3.3 and recalibrate, until I have identified and fixed the problem. You can continue running 3.4beta2 on the main board.

                      so if iI go back to 3.3 for toolboard and if in config-override.g i'll put this line then i should be OK? (original factory values before calibration done in RRF3.4b2)

                       M308 S1 L-7 H-12
                      

                      Hot to store this back in to nonvolatile memory?

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                      • dc42undefined
                        dc42 administrators
                        last edited by

                        @cadetc said in After updating to 3.4.0beta2: faulty heater 1, -273.1C.:

                        Hot to store this back in to nonvolatile memory?

                        If you ran M308 S# H999 (where # is the sensor number) then it has already been stored. Similarly for M308 S# L999.

                        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

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

                          @CadetC @pixelpieper @Serge I am still trying to determine why I don't see this issue on my tool boards. Please can you each run M122 B# where # is the tool board number, and tell me what bootloader version it reports.

                          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

                          CadetCundefined pixelpieperundefined 2 Replies Last reply Reply Quote 0
                          • CadetCundefined
                            CadetC @dc42
                            last edited by

                            @dc42 said in After updating to 3.4.0beta2: faulty heater 1, -273.1C.:

                            @CadetC @pixelpieper @Serge I am still trying to determine why I don't see this issue on my tool boards. Please can you each run M122 B# where # is the tool board number, and tell me what bootloader version it reports.

                            M122 B121
                            Diagnostics for board 121:
                            Duet TOOL1LC firmware version 3.3 (2021-06-15 16:12:58)
                            Bootloader ID: SAMC21 bootloader version 2.3 (2021-01-26b1
                            
                            
                            
                            dc42undefined 1 Reply Last reply Reply Quote 0
                            • dc42undefined
                              dc42 administrators @CadetC
                              last edited by

                              @cadetc thanks, it's not the bootloader version then.

                              @CadetC @pixelpieper @Serge I have identified a possible cause of this issue. Please try the new tool board firmware at https://www.dropbox.com/sh/cq7q3g8coymo9s3/AABtPYEzV1_unETpKEMPInSia?dl=0. If with this version you find the temperature error is much reduced, then please re-run the temperature calibration and report the new H and L values. If you still get large errors with this version, then just revert the tool board firmware to 3.3.

                              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

                              pixelpieperundefined 1 Reply Last reply Reply Quote 0
                              • pixelpieperundefined
                                pixelpieper @dc42
                                last edited by

                                @dc42 I installed the firmware, I get a temperature rise from 35 to arround 65 degrees with the 3.3 H & L values. When trying to calibrate:

                                M308 S1 H999
                                Measured H correction for port "121.temp0" is 48

                                M308 S1 L999
                                Error: M308: Computed correction is not valid. Check that you have placed a jumper across the thermistor input.

                                Voron V2.434 / Duet 3 Mini5+, Duet 3 Expansion Mini 2+, Duet 1LC V1.1 Toolboard
                                Voron V0.250 / Duet 2 Maestro

                                CadetCundefined dc42undefined 2 Replies Last reply Reply Quote 0
                                • pixelpieperundefined
                                  pixelpieper @dc42
                                  last edited by

                                  @dc42 For the bootloader version:

                                  M122 B121
                                  

                                  Diagnostics for board 121:
                                  Duet TOOL1LC firmware version 3.3 (2021-06-15 16:12:58)
                                  Bootloader ID: SAMC21 bootloader version 2.3 (2021-01-26b1)
                                  Never used RAM 2460, free system stack 2789 words
                                  Tasks: Move(notifyWait,0.0%,153) HEAT(delaying,0.2%,117) CanAsync(notifyWait,0.0%,65) CanRecv(notifyWait,0.0%,76) CanClock(notifyWait,0.0%,65) ACCEL(notifyWait,0.0%,61) TMC(delaying,2.8%,57) MAIN(running,92.0%,352) IDLE(ready,0.0%,27) AIN(delaying,4.9%,142), total 100.0%
                                  Last reset 00:00:46 ago, cause: software
                                  Last software reset time unknown, reason: AssertionFailed, available RAM 3392, slot 1
                                  Software reset code 0x0120 ICSR 0x00000000 SP 0x2000415c Task Freestk 129 bad marker
                                  Stack: 00000544 00022ffc 00019b65 20003134 00016cff 20003134 000163d1 20000ed0 00000000 00000001 00008275 200071c8 200071c8 200071e0 00000000 20000f50 00011647 000223b8 00022474 00021ac8 00019b05 200071c8 200071c8 20000f50 000083ed 200071d8 000009c7
                                  Driver 0: position 0, 655.0 steps/mm, standstill, SG min/max 0/0, read errors 0, write errors 1, ifcnt 71, reads 23059, writes 12, timeouts 0, DMA errors 0, steps req 0 done 0
                                  Moves scheduled 0, completed 0, in progress 0, hiccups 0, step errors 0, maxPrep 0, maxOverdue 0, maxInc 0, mcErrs 0, gcmErrs 0
                                  Peak sync jitter -2/8, peak Rx sync delay 193, resyncs 0/0, no step interrupt scheduled
                                  VIN: 24.4V
                                  MCU temperature: min 46.9C, current 46.9C, max 47.2C
                                  Ticks since heat task active 176, ADC conversions started 46170, completed 46170, timed out 0, errs 0
                                  Last sensors broadcast 0x00000006 found 2 181 ticks ago, loop time 0
                                  CAN messages queued 590, send timeouts 0, received 436, lost 0, free buffers 37, min 37, error reg 110000
                                  dup 0, oos 0/0/0/0, bm 0, wbm 0, rxMotionDelay 0
                                  Accelerometer detected: yes, status: 00
                                  I2C bus errors 0, naks 0, other errors 0

                                  Voron V2.434 / Duet 3 Mini5+, Duet 3 Expansion Mini 2+, Duet 1LC V1.1 Toolboard
                                  Voron V0.250 / Duet 2 Maestro

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                                  • CadetCundefined
                                    CadetC @pixelpieper
                                    last edited by

                                    @dc42
                                    @pixelpieper said in After updating to 3.4.0beta2: faulty heater 1, -273.1C.:

                                    I installed the firmware, I get a temperature rise from 35 to arround 65 degrees

                                    I my case tool temperature reported in 3.3 =20.4C
                                    after 3.4b2-1 installed reported temperature dropped to 0.6C - and is very unstable - jumping from 0.5 to 2.5C - L &H values unchanged - same as in 3.3

                                    After calibration done in 3.4b2-1 :
                                    H- 48
                                    L- calibration -error

                                    M308 S1 L999
                                    Error: M308: Computed correction is not valid. Check that you have placed a jumper across the thermistor input. 
                                    

                                    so I reverted back to 3.3 and "old" L&H values

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                                    • dc42undefined
                                      dc42 administrators @pixelpieper
                                      last edited by

                                      @pixelpieper said in After updating to 3.4.0beta2: faulty heater 1, -273.1C.:

                                      @dc42 I installed the firmware, I get a temperature rise from 35 to arround 65 degrees with the 3.3 H & L values. When trying to calibrate:

                                      M308 S1 H999
                                      Measured H correction for port "121.temp0" is 48

                                      M308 S1 L999
                                      Error: M308: Computed correction is not valid. Check that you have placed a jumper across the thermistor input.

                                      Thanks, still not right then. Please share your confif.g file.

                                      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

                                      pixelpieperundefined 1 Reply Last reply Reply Quote 0
                                      • pixelpieperundefined
                                        pixelpieper @dc42
                                        last edited by

                                        @dc42 Here you go:

                                        ;; system and network --------------------------------------
                                        
                                        M550 PMunin	; hostname
                                        M552 S1 P"M"
                                        M586 P2 S1 R23 T0 ; enable telnet
                                        M586 P1 S1 T0	  ; enable ftp
                                        ;M555 P2		  ; set Marlin output mode
                                        
                                        G21			; millimeter units
                                        G90			; absolute tool coordinates
                                        M83			; relative extruder coordinates
                                        
                                        ; constants of the device geometry
                                        global max_x = 252
                                        global max_y = 256
                                        
                                        global z_stop_x = {global.max_x-24.5}
                                        global z_stop_y = {global.max_y-3}
                                        
                                        global mag_probe_x = 51
                                        global mag_probe_y = {global.max_y}
                                        global mag_probe_z = 1.7
                                        
                                        global QGL_probe = 2 ; 1 = inductive, 2 = magnet
                                        
                                        ; speed & acceleration settings mm/min
                                        global xy_accel = 2000;
                                        global z_accel = 1000;
                                        
                                        global xy_speed = 60000;
                                        global z_speed = 6000;
                                        
                                        ;; enable paneldue
                                        
                                        ;M575 P1 B57600 S1
                                        
                                        ; Mini 12864
                                        M918 P2 E-4 R3 C100       ; Enable FYSetc Mini 12864 
                                        M150 X2 R255 U255 B255 S3 ; FYSETC Neopixel background: set all 3 LEDs to white
                                        ;M950 P0 C"io3.out" Q500  ; generate PWM pin (red on mini12864 V1.2)
                                        ;M42 P0 S0 ; turn off
                                        
                                        ;; geometry ------------------------------------------------
                                        
                                        M667 S1                 ; corexy mode
                                        M208 X0 Y0 Z-3 S1	; S1 = set axes minima
                                        M208 X{global.max_x} Y{global.max_y} Z235 S0  ; S0 = set axes maxima
                                        
                                        
                                        M557 X20:240 Y25:235 S20    ; configure z probing grid for mesh compensation
                                        
                                        ;M98 P"/macros/zprobe/use_mfast.g"
                                        ;M98 P"/macros/zprobe/use_ifast.g"
                                        
                                        ; mechanical switch
                                        M558 K0 P5 C"io4.in" I0 H0 R0.1 F1200 T99999 A1 B1
                                        G31 K0 X0 Y0
                                        
                                        ; inductive probe
                                        M558 K1 P8 C"121.io2.in" I1 A3 H12 R0.1 F800 T99999 A1 B1
                                        G31 P1000 K1 X0 Y25 Z0.318
                                        
                                        ; magprobe
                                        M558 K2 P8 C"121.IO1.in" F150 T1000 H2
                                        G31 P1000 K2 X-2.5 Y38.5 Z7
                                        
                                        
                                        ;; drive ---------------------------------------------------
                                        
                                        ;; Motor layout:
                                        ;;  E0 E1
                                        ;;  YB XA
                                        ;;  Z2 Z3
                                        ;;  Z0 Z1
                                        
                                        M584 X2 Y1 Z5:4:3:6 E121.0				; motor bindings
                                        ;;M574 X2 Y2 Z0 S1        			; endstops
                                        
                                        M574 X2 S1 P"!io6.in"   ; X min active low endstop switch
                                        M574 Y2 S1 P"!io5.in"   ; Y min active low endstop switch
                                        ;M574 Z1 S1 P"io4.in"   ; Z min active high endstop switch
                                        
                                        M671 X-65:-65:315:315 Y-10:325:325:-10 S20	; Z leadscrews positions
                                        
                                        M569 P0 S1      ; E0 motor direction
                                        
                                        M569 P1 S0      ; Y motor direction
                                        M569 P2 S1      ; X motor direction
                                                         
                                        M569 P5 S0      ; ZFL motor direction
                                        M569 P4 S1      ; ZBL motor direction
                                        M569 P3 S0      ; ZBR motor direction
                                        M569 P6 S1      ; ZFR motor direction
                                        
                                        M84 S3600                           ; motor idle timeout
                                        M906 I50                            ; motor idle current percentage
                                        M350 X16 Y16 Z16 E16 I1             ; set microstepping
                                        M92 X80 Y80 Z400 E655             	; set microsteps per mm 
                                        
                                        ;; velocity, acceleration, and current settings are in these macros
                                        M98 P"/macros/drive/xy_fullcurrent.g"
                                        M98 P"/macros/drive/z_fullcurrent.g"
                                        M98 P"/macros/drive/e_fullcurrent.g"
                                        
                                        
                                        ;; firmware retraction -------------------------------------
                                        
                                        ;; Choose one as your default:
                                        ;M98 P"/macros/retraction/quiet_nozhop.g
                                        ;M98 P"/macros/retraction/quiet_zhop.g
                                        M98 P"/macros/retraction/pa_nozhop.g"
                                        ;M98 P"/macros/retraction/pa_zhop.g"
                                        
                                        ;; thermal -------------------------------------------------
                                        ; Sensors --------------------------------------------------
                                        M308 S0 P"temp0" Y"thermistor" T100000 B3950 A"Bedmat"; configure sensor 0 as thermistor on pin temp0
                                        M308 S1 P"121.temp0" Y"pt1000" A"Hotend"  ; configure sensor 1 as thermistor
                                        ;M308 S1 P"e0temp" Y"thermistor" T100000 B3950 A"Hotend"
                                        M308 S2 P"121.temp1" Y"thermistor" T100000 B3950 A"Chamber"	;Chamber fan
                                        M308 S3 Y"mcu-temp" A"Board"
                                        ;M308 S4 P"e1temp" Y"thermistor" T100000 B3950 A"Bedplate"
                                         
                                        ; Heaters --------------------------------------------------
                                        ;Bed
                                        M950 H0 C"out0" T0                           ; create bed heater output on out0 and map it to sensor 4
                                        M950 H1 C"121.out0" T1                           ; create nozzle heater output on e0heat and map it to sensor 1
                                        M140 H0   
                                        
                                        ;PID Settings
                                        M307 H0 A301.0 C845.3 D1.4 S1.00 V23.6 B0	
                                        M307 H1 A482.6 C291.7 D5.5 S1.00 V23.6 B0 ;V6
                                        
                                        ; Monitors & Limits
                                        ;M143 H0 P1 T0 A2 S130 C0                     ; Regulate (A2) bed heater (H0) to have pad sensor (T0) below 110°C. Use Heater monitor 1 for it
                                        ;M143 H0 P2 T0 A0 S135 C0                     ; Fault (A0) bed heater (H0) if pad sensor (T0) exceeds 135°C. Use Heater monitor 2 for it
                                        M143 H0 P0 S120                            ; Set bed heater max temperature to 120°C, use implict monitor 0 which is implicitly configured for heater fault
                                        M143 H1 S400                                  ; set temperature limit for heater 1 to 275C
                                        
                                        M912 P0 S-8 ;MCU tempurature sensor correction
                                        
                                        
                                        ;; fans -------------------------------------------------
                                        ;Parts
                                        M950 F0 C"121.out2" Q500
                                        M106 P0 S0 B0.1 L128 C"Part"               ; part fan
                                        
                                        ;Hot End
                                        M950 F1 C"121.out1" Q500
                                        M106 P1 T60 H1 C"Hotend" ; hotend fan PWMED DOWN
                                        
                                        ;Board cooling
                                        M950 F2 C"out3" Q500 
                                        M106 P2 S0.5 C"Board"; On when MCU temp (H3) reaches 45C
                                        ;H2 L180 X255 T30:50
                                        ;M106 P2 S255 C"Board"
                                        
                                        M950 F3 C"out4" Q500
                                        M106 P3 S0 C"Exhaust"
                                        
                                        ;; tools ---------------------------------------------------
                                        
                                        M563 P0 D0 H1       ; bind tool 0 to drive and heater
                                        G10 P0 X0 Y0 Z0     ; tool offset
                                        G10 P0 S0 R0        ; tool active and standby temp
                                        
                                        T0                  ; activate tool 0
                                        
                                        ;; Accelerometer
                                        
                                        M955 P121.0 I05
                                        
                                        ;; filament sensor ---------------------------------------
                                        ;M591 D0 P3 C3 S0 R75:125 L24.8 E3.0 ; Duet3D rotating magnet sensor for extruder drive 0 is connected to E0 endstop input, enabled, sensitivity 24.8mm.rev, 85% to 115% tolerance, 3mm detection length
                                        
                                        ;M591 P5 C"e0stop" S1 ; Laser Filament Monitor
                                        
                                        ;; Buttons on the toolboard
                                        M950 C"121.button0" J0 
                                        M950 C"121.button1" J1 
                                        
                                        M581 P0 T2
                                        M581 P1 T3 
                                        

                                        Voron V2.434 / Duet 3 Mini5+, Duet 3 Expansion Mini 2+, Duet 1LC V1.1 Toolboard
                                        Voron V0.250 / Duet 2 Maestro

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

                                          @pixelpieper thanks.

                                          I've run your configuration on my bench system and I still don't get a significant error in the temperature reading. A 1K resistor (simulating a PT1000 sensor) gives me a reading of -1.4C which is close enough to 0C. I re-ran calibration and ended up with H-7 L-13 which are within the normal range. So the issue doesn't appear to be configuration-dependent.

                                          Please run the following two commands on your system, with firmware 3.4.0beta2 installed on the tool board, and report the responses:

                                          m122 b121 p1007 a{0x806020}
                                          m122 b121 p1007 a{0x4200442c}

                                          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

                                          CadetCundefined pixelpieperundefined 2 Replies Last reply Reply Quote 0
                                          • CadetCundefined
                                            CadetC @dc42
                                            last edited by

                                            @dc42 said in After updating to 3.4.0beta2: faulty heater 1, -273.1C.:

                                            @pixelpieper thanks.

                                            I've run your configuration on my bench system and I still don't get a significant error in the temperature reading. A 1K resistor (simulating a PT1000 sensor) gives me a reading of -1.4C which is close enough to 0C. I re-ran calibration and ended up with H-7 L-13 which are within the normal range. So the issue doesn't appear to be configuration-dependent.

                                            Please run the following two commands on your system, with firmware 3.4.0beta2 installed on the tool board, and report the responses:

                                            m122 b121 p1007 a{0x806020}
                                            m122 b121 p1007 a{0x4200442c}

                                            as my problem is very similar to pixelpieper's, here are my results

                                            m122 b121 p1007 a{0x4200442c}
                                            Address 0x4200442c value 0x00000607
                                            m122 b121 p1007 a{0x806020}
                                            Address 0x00806020 value 0x19149fbe
                                            
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