heater keep faulting many time



  • hi
    why the heater keep faulting many time, how to fix this problem....

    ; Configuration file for Duet WiFi (firmware version 1.17 to 1.19)
    ; executed by the firmware on start-up
    ;
    ; generated by RepRapFirmware Configuration Tool on Thu Aug 02 2018 09:13:43 GMT+0700 (Indochina Time)

    ; General preferences
    G90 ; Send absolute coordinates...
    M83 ; ...but relative extruder moves
    M555 P1 ; Set firmware compatibility to look like RepRapFirmare

    ; Network
    M550 PGiant_V3 ; Set machine name
    M552 S1 ; Enable network
    ;*** Access point is configured manually via M587
    M586 P0 S1 ; Enable HTTP
    M586 P1 S0 ; Disable FTP
    M586 P2 S0 ; Disable Telnet

    ; Drives
    M569 P0 S0 ; Drive 0 goes backwards
    M569 P1 S1 ; Drive 1 goes forwards
    M569 P2 S1 ; Drive 2 goes forwards
    M569 P3 S1 ; Drive 3 goes forwards
    M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation
    M92 X80 Y80 Z640 E418.5 ; Set steps per mm
    M566 X1800 Y1800 Z12 E120 ; Set maximum instantaneous speed changes (mm/min)
    M203 X30000 Y30000 Z600 E1200 ; Set maximum speeds (mm/min)
    M201 X500 Y500 Z250 E250 ; Set accelerations (mm/s^2)
    M906 X1000 Y1000 Z1000 E1000 I30 ; Set motor currents (mA) and motor idle factor in per cent
    M84 S30 ; Set idle timeout

    ; Axis Limits
    M208 X0 Y0 Z0 S1 ; Set axis minima
    M208 X500 Y400 Z400 S0 ; Set axis maxima

    ; Endstops
    M574 X1 Y1 Z1 S1 ; Set active high endstops

    ; Z-Probe
    M558 P5 X0 Y0 Z0 H5 F120 T9000 ; Set Z probe type to switch, the axes for which it is used and the dive height + speeds
    G31 P600 X0 Y0 Z0.2 ; Set Z probe trigger value, offset and trigger height
    M557 X15:485 Y15:385 S20 ; Define mesh grid

    ; 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 B4725 C7.060000e-8 R4700 ; Set thermistor + ADC parameters for heater 1
    M143 H1 S280 ; Set temperature limit for heater 1 to 280C

    ; 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 H-1 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned off
    M106 P2 S1 I0 F500 H-1 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned off

    ; 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

    ; Custom settings are not configured
    0_1533176611227_Screenshot 2018-08-02 09.19.52.png



  • Did you do a PID calibration?



  • problem only nozzle temp, i use e3d thermistor.


  • administrators

    Have you read the page on heater faults in the Troubleshooting section of the wiki?



  • @dc42 yes



  • @dc42 I don't understand, sometime the heater keep faulting all day but the next day noting happen. I can print normal for couple days then it happen again. Why?



  • @sorrajak is they any specific moment when the heater is going fault? Like for example the part cooling fan kicks in.



  • Also check the PSU voltage. If that drops too low, it could cause the temperature to rise slower than expected. Run M122 to check.


  • administrators

    The "Temperature rising too slowly" message normally only happens if you have not run PID tuning for that heater, or you did but you didn't save the results, or you saved them using M500 but you don't have a M501 statement in config.g to load the results from config-override.g.

    I observer that your config.g file does not have ay M307 commands in it, neither does it run M501 to load possible saved results form config-override.g. So this explains why you are getting heater faults.


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