Heater 1 not working: Error: Heating fault on heater 1



  • Error: Heating fault on heater 1, temperature rising much more slowly than the expected 1.8°C/sec
    Not sure what I've done this was working a while ago but I was running into issues with setting up my BL Touch and end stops that I think I may have inadvertently changed something. I have checked the wiring to make sure there are no breaks in the line and it all seemed good. I did try putting a meter on the leads of the duet wifi for the heater cartridge then activated it and I never received any type of reading. So im assuming something has happened in the programming that is not even activating it.

    If anyone can see anything obvious in my config.g file I would appreciate the input.

    **; General preferences
    M111 S0 ; Debugging off
    G21 ; Work in millimetres
    G90 ; Send absolute coordinates…
    M83 ; ...but relative extruder moves
    M555 P2 ; Set firmware compatibility to look like Marlin
    M208 X365 Y250 Z295 S0 ; Set axis maxima

    ; Endstops
    M574 X1 Y1 Z1 S0 ; Define active low and unused microswitches
    M307 H3 A-1 C-1 D-1 ;**

    M558 P5 X0 Y0 Z1 H5 F100 T2000

    **G31 X-43 Y0 Z1.75 P25

    M557 X15:365 Y15:250 S68 ; Define mesh grid**

    **; Drives
    M584 X0 Y1 Z2 E3
    M569 P0 S1 ; Drive 0 goes forwards - X
    M569 P1 S0 ; Drive 1 goes backwards - Y
    M569 P2 S0 ; Drive 2 goes backwards - Z
    M569 P3 S0 ; Drive 3 goes forwards - Extruder

    M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation 16
    M92 X80 Y80 Z1600 E800 ; Set steps per mm 16
    M566 X600 Y600 Z12 E120 ; Set maximum instantaneous speed changes (mm/min) - (JERK)
    M203 X6000 Y6000 Z500 E400 ; Set maximum speeds (mm/min)
    M201 X1000 Y1000 Z1000 E250 ; Set accelerations (mm/s^2)
    M204 P1000 T1000 ; Set Max acceleration for P=printing moves and T=travel moves
    M906 X1600 Y1600 Z900 E1000 I30 ; Set motor currents (mA) and motor idle factor in per cent
    M84 S30 ; Set idle timeout

    ; Heaters
    M305 P0 T100000 B4725 C7.06e-8 R4700 ; Set thermistor + ADC parameters for heater 0
    M143 H0 S120 ; Set temperature limit for heater 0 to 120C
    M305 P1 T100000 B4725 C7.06e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S285 ; Set temperature limit for heater 1 to 285C**

    **; Tools
    M563 P0 D0 H1 ; Define tool 0
    G10 P0 X0 Y0 Z0 ; Set tool 0 axis offsets
    G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C

    ; Network
    M550 PBlack Widow ; Set machine name
    M552 S1 ; Enable network
    M586 P0 S1 ; Enable HTTP
    M586 P1 S0 ; Disable FTP
    M586 P2 S0 ; Disable Telnet**

    **; Fans
    M106 P0 S0.3 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
    M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
    M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

    ; Custom settings are not configured**



  • I had the same error the other day, if i remember correctly my thermistor was configured wrong.
    It also happened when after rewiring one of the wires for the heater was not making a good contact.

    I see that you have M305 P0 T100000 B4725 C7.060000e-8 R4700 are the hotend and heatbed have the same tyope of thermistor?
    (Hey I'm new at this so I may be wrong)

    This are my settings

    M305 P0 T100000 B3950 C0 R4700 ; Set thermistor + ADC parameters for heater 0
    M143 H0 S120 ; Set temperature limit for heater 0 to 120C
    M305 P1 T100000 B4725 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280 ; Set temperature limit for heater 1 to 280C



  • @Synapsis:

    I had the same error the other day, if i remember correctly my thermistor was configured wrong.
    It also happened when after rewiring one of the wires for the heater was not making a good contact.

    I see that you have M305 P0 T100000 B4725 C7.060000e-8 R4700 are the hotend and heatbed have the same tyope of thermistor?
    (Hey I'm new at this so I may be wrong)

    This are my settings

    M305 P0 T100000 B3950 C0 R4700 ; Set thermistor + ADC parameters for heater 0
    M143 H0 S120 ; Set temperature limit for heater 0 to 120C
    M305 P1 T100000 B4725 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280 ; Set temperature limit for heater 1 to 280C

    Tried your settings, unfortunately didnt work Thank you though. Much appreciated


  • administrators

    I don't see any M307 H1 command in your config,g file. So you should run heater tuning on the hot end and save the results in a M307 H1 command in config.g. See https://duet3d.com/wiki/Tuning_the_heater_temperature_control.



  • @dc42:

    I don't see any M307 H1 command in your config,g file. So you should run heater tuning on the hot end and save the results in a M307 H1 command in config.g. See https://duet3d.com/wiki/Tuning_the_heater_temperature_control.

    Ok I ran the M307. This is what I got:
    M307 H1
    Heater 1 model: gain 340.0, time constant 140.0, dead time 5.5, max PWM 1.00, calibration voltage 0.0, mode PID, inverted no, frequency default
    Computed PID parameters for setpoint change: P13.4, I0.482, D51.4
    Computed PID parameters for load change: P13.

    This is what I put in my config.g file:
    ; Heaters
    M305 P0 T100000 B4725 C0 R4700 ; Set thermistor + ADC parameters for heater 0
    M143 H0 S120 ; Set temperature limit for heater 0 to 120C
    M305 P1 T100000 B4725 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280 ; Set temperature limit for heater 1 to 280C
    M307 H1 A340.0 C140.0 D5.5 B0
    It didnt change anything though.


  • administrators

    Do you always get this error when you try to heat the extruder? If so then it sounds like the heater isn't coming on at all. Try this

    1. Restart the Duet, to clear any existing heater fault.

    2. Command the heater on and immediately watch the E0 LED on the Duet. This is he red LED immediately to the left of the blue VIN LED. It should light up for a few seconds when you command heating, then go off again when the heater fault is reported.



  • @dc42:

    Do you always get this error when you try to heat the extruder? If so then it sounds like the heater isn't coming on at all. Try this

    1. Restart the Duet, to clear any existing heater fault.

    2. Command the heater on and immediately watch the E0 LED on the Duet. This is he red LED immediately to the left of the blue VIN LED. It should light up for a few seconds when you command heating, then go off again when the heater fault is reported.

    I dont see it coming on at all



  • it was working last week but sometime while I was trying to get either my endstops working or my BL touch working it to then stopped.



  • Hi,

    I haved similar issue… I was using a heat cartridge of 12v... And the temperature rises slow



  • @peirof:

    Hi,

    I haved similar issue… I was using a heat cartridge of 12v... And the temperature rises slow

    Hi, this one is definitely for 24v. It was working at one point. I don't know if something has happened to the board or if its programmed incorrectly (my screw up) but the E0 light never comes on.I have even tried to meter it to see if it shows a reading and nothing.


  • administrators

    Please post your entire config.g file.



  • ; General preferences
    M111 S0 ; Debugging off
    G21 ; Work in millimetres
    G90 ; Send absolute coordinates…
    M83 ; ...but relative extruder moves
    M555 P2 ; Set firmware compatibility to look like Marlin
    M208 X365 Y250 Z295 S0 ; Set axis maxima

    ; Endstops
    M574 X1 Y1 Z1 S0 ; Define active low and unused microswitches
    M307 H3 A-1 C-1 D-1 ;

    M558 P5 X0 Y0 Z1 H5 F100 T2000

    G31 X-43 Y0 Z1.75 P25

    M557 X15:365 Y15:250 S68 ; Define mesh grid

    ; Drives
    M584 X0 Y1 Z2 E3
    M569 P0 S1 ; Drive 0 goes forwards - X
    M569 P1 S0 ; Drive 1 goes backwards - Y
    M569 P2 S0 ; Drive 2 goes backwards - Z
    M569 P3 S0 ; Drive 3 goes forwards - Extruder

    M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation 16
    M92 X80 Y80 Z1600 E800 ; Set steps per mm 16
    M566 X600 Y600 Z12 E120 ; Set maximum instantaneous speed changes (mm/min) - (JERK)
    M203 X6000 Y6000 Z500 E400 ; Set maximum speeds (mm/min)
    M201 X1000 Y1000 Z1000 E250 ; Set accelerations (mm/s^2)
    M204 P1000 T1000 ; Set Max acceleration for P=printing moves and T=travel moves
    M906 X1600 Y1600 Z900 E1000 I30 ; Set motor currents (mA) and motor idle factor in per cent
    M84 S30 ; Set idle timeout

    ; Heaters
    M305 P0 T100000 B4725 C0 R4700 ; Set thermistor + ADC parameters for heater 0
    M143 H0 S120 ; Set temperature limit for heater 0 to 120C
    M305 P1 T100000 B4725 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280 ; Set temperature limit for heater 1 to 280C
    M307 H1 A340.0 C140.0 D5.5 B0

    ; Tools
    M563 P0 D0 H1 ; Define tool 0
    G10 P0 X0 Y0 Z0 ; Set tool 0 axis offsets
    G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C

    ; Network
    M550 PBlack Widow ; Set machine name
    M552 S1 ; Enable network
    M587 S"RCMP Surveillance" P"241428433" ; Configure access point. You can delete this line once connected
    M586 P0 S1 ; Enable HTTP
    M586 P1 S0 ; Disable FTP
    M586 P2 S0 ; Disable Telnet

    ; Fans
    M106 P0 S0.3 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
    M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
    M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

    ; Custom settings are not configured



  • @dc42:

    Please post your entire config.g file.

    ; General preferences
    M111 S0 ; Debugging off
    G21 ; Work in millimetres
    G90 ; Send absolute coordinates…
    M83 ; ...but relative extruder moves
    M555 P2 ; Set firmware compatibility to look like Marlin
    M208 X365 Y250 Z295 S0 ; Set axis maxima

    ; Endstops
    M574 X1 Y1 Z1 S0 ; Define active low and unused microswitches
    M307 H3 A-1 C-1 D-1 ;

    M558 P5 X0 Y0 Z1 H5 F100 T2000

    G31 X-43 Y0 Z1.75 P25

    M557 X15:365 Y15:250 S68 ; Define mesh grid

    ; Drives
    M584 X0 Y1 Z2 E3
    M569 P0 S1 ; Drive 0 goes forwards - X
    M569 P1 S0 ; Drive 1 goes backwards - Y
    M569 P2 S0 ; Drive 2 goes backwards - Z
    M569 P3 S0 ; Drive 3 goes forwards - Extruder

    M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation 16
    M92 X80 Y80 Z1600 E800 ; Set steps per mm 16
    M566 X600 Y600 Z12 E120 ; Set maximum instantaneous speed changes (mm/min) - (JERK)
    M203 X6000 Y6000 Z500 E400 ; Set maximum speeds (mm/min)
    M201 X1000 Y1000 Z1000 E250 ; Set accelerations (mm/s^2)
    M204 P1000 T1000 ; Set Max acceleration for P=printing moves and T=travel moves
    M906 X1600 Y1600 Z900 E1000 I30 ; Set motor currents (mA) and motor idle factor in per cent
    M84 S30 ; Set idle timeout

    ; Heaters
    M305 P0 T100000 B4725 C0 R4700 ; Set thermistor + ADC parameters for heater 0
    M143 H0 S120 ; Set temperature limit for heater 0 to 120C
    M305 P1 T100000 B4725 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280 ; Set temperature limit for heater 1 to 280C
    M307 H1 A340.0 C140.0 D5.5 B0

    ; Tools
    M563 P0 D0 H1 ; Define tool 0
    G10 P0 X0 Y0 Z0 ; Set tool 0 axis offsets
    G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C

    ; Network
    M550 PBlack Widow ; Set machine name
    M552 S1 ; Enable network
    M587 S"RCMP Surveillance" P"241428433" ; Configure access point. You can delete this line once connected
    M586 P0 S1 ; Enable HTTP
    M586 P1 S0 ; Disable FTP
    M586 P2 S0 ; Disable Telnet

    ; Fans
    M106 P0 S0.3 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
    M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
    M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

    ; Custom settings are not configured


  • administrators

    Thanks. I suspect that your Duet has developed a fault in the heater 1 drive circuit. Please do the following:

    1. Check the extruder heater wiring carefully to make sure it doesn't have a short to anything.

    2. If you have a multimeter, measure the resistance of the heater cartridge. See step 9 at https://e3d-online.dozuki.com/Guide/V6+Assembly/6?lang=en. Also use your multimeter to check that there is no continuity between the heater wires and the hot end metalwork.

    3. If those tests are all OK, try using the E1 heater output instead. You will need to make the following changes to config.g:

    • Change M307 H1 A340.0 C140.0 D5.5 B0 to M307 H2 A340.0 C140.0 D5.5 B0
    • Change M305 P1 T100000 B4725 C7.060000e-8 R4700 to M305 P1 P2 T100000 B4725 C7.060000e-8 R4700
    • Change M563 P0 D0 H1 to M563 P0 D0 H2

    4. If that works, and your Duet is under warranty, submit a warranty claim.



  • @dc42:

    Thanks. I suspect that your Duet has developed a fault in the heater 1 drive circuit. Please do the following:

    1. Check the extruder heater wiring carefully to make sure it doesn't have a short to anything.Went through the wires carefully the wires all seem to be in decent shape

    2. If you have a multimeter, measure the resistance of the heater cartridge. See step 9 at https://e3d-online.dozuki.com/Guide/V6+Assembly/6?lang=en. Also use your multimeter to check that there is no continuity between the heater wires and the hot end metalwork.The resistance of the heater cartridge was 14.2, I checked it at the cartridge and at every place that a connection was made along the wire all the way back to the duet its self. It stayed the same. I also checked for continuity between the wires and the metal parts, there was none.

    3. If those tests are all OK, try using the E1 heater output instead. You will need to make the following changes to config.g:I did your changes, as soon as I connect the duet HEATER 2 says 2000 degrees

    • Change M307 H1 A340.0 C140.0 D5.5 B0 to M307 H2 A340.0 C140.0 D5.5 B0
    • Change M305 P1 T100000 B4725 C7.060000e-8 R4700 to M305 P1 T100000 B4725 C7.060000e-8 R4700
    • Change M563 P0 D0 H1 to M563 P0 D0 H2

    4. If that works, and your Duet is under warranty, submit a warranty claim.


  • administrators

    I made a mistake, in the M305 command you need to change P1 to P2. Also, you need to move the thermistor from the E0 to the E1 thermistor input, or else add X1 to that M305 P2 command.



  • @dc42:

    I made a mistake, in the M305 command you need to change P1 to P2. Also, you need to move the thermistor from the E0 to the E1 thermistor input, or else add X1 to that M305 P2 command.

    Hi I did the changes and switched the plug from E0 to E1 but im still getting a fault "Error: Heating fault on heater 2, temperature rising much more slowly than the expected 1.8°C/sec"

    Here is my config file, just want to make sure I did the changes you requested correctly.

    ; General preferences
    M111 S0 ; Debugging off
    G21 ; Work in millimetres
    G90 ; Send absolute coordinates…
    M83 ; ...but relative extruder moves
    M555 P2 ; Set firmware compatibility to look like Marlin
    M208 X365 Y250 Z295 S0 ; Set axis maxima

    ; Endstops
    M574 X1 Y1 Z1 S0 ; Define active low and unused microswitches
    M307 H3 A-1 C-1 D-1 ;

    M558 P5 X0 Y0 Z1 H5 F100 T2000

    G31 X-43 Y0 Z1.75 P25

    M557 X15:365 Y15:250 S68 ; Define mesh grid

    ; Drives
    M584 X0 Y1 Z2 E3
    M569 P0 S1 ; Drive 0 goes forwards - X
    M569 P1 S0 ; Drive 1 goes backwards - Y
    M569 P2 S0 ; Drive 2 goes backwards - Z
    M569 P3 S1 ; Drive 3 goes forwards - Extruder

    M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation 16
    M92 X80 Y80 Z1600 E800 ; Set steps per mm 16
    M566 X600 Y600 Z12 E120 ; Set maximum instantaneous speed changes (mm/min) - (JERK)
    M203 X6000 Y6000 Z500 E400 ; Set maximum speeds (mm/min)
    M201 X1000 Y1000 Z1000 E250 ; Set accelerations (mm/s^2)
    M204 P1000 T1000 ; Set Max acceleration for P=printing moves and T=travel moves
    M906 X1600 Y1600 Z900 E1000 I30 ; Set motor currents (mA) and motor idle factor in per cent
    M84 S30 ; Set idle timeout

    ; Heaters
    M305 P0 T99600 B4388 C0 R4700 ; Set thermistor + ADC parameters for heater 1 - HOTEND E3d
    M143 H0 S120 ; Set temperature limit for heater 0 to 120C
    M305 P2 T100000 B4725 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280 ; Set temperature limit for heater 1 to 280C
    M307 H2 A340.0 C140.0 D5.5 B0 ;Hotend E3d pid

    ; Tools
    M563 P0 D0 H2 ; Define tool 0
    G10 P0 X0 Y0 Z0 ; Set tool 0 axis offsets
    G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C

    ; Network
    M550 PBlack Widow ; Set machine name
    M552 S1 ; Enable network
    M587 S"RCMP Surveillance" P"241428433" ; Configure access point. You can delete this line once connected
    M586 P0 S1 ; Enable HTTP
    M586 P1 S0 ; Disable FTP
    M586 P2 S0 ; Disable Telnet

    ; Fans
    M106 P0 S0 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off

    M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on

    M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

    ; Custom settings are not configured


  • administrators

    Does the E1 extruder LED turn on? Is the blue VIN LED on the Duet LED lit?



  • @dc42:

    Does the E1 extruder LED turn on? Is the blue VIN LED on the Duet LED lit?

    The Blue VIN light is on but the E1 extruder light does not come on


  • administrators

    Is the bed heater working?


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