Setup help (E3D heater)



  • I cannot get my board to run at all. When I try to set a temperature in the range the entire board just losses power. Frustrated I ve spent so much time and money and cannot get any results. Any help or advise is well appreciated.


  • Moderator

    @mathew-u We'll need some information if you want help. See https://forum.duet3d.com/topic/5909/guide-for-posting-requests-for-help

    Ian



  • I'm just in the process of setting up the board. I'm running it with a 24v power supply and I have the hemera direct drive extruder from E3D. The motors are rated for 2A but in the config file I have them running only at 1A. The heater block is a 24v comes from E3D and as soon I try to heat up the hot end the board just shuts of I assume it's a safety. Of I increase temperatures in increments of 5 degrees it works fine. I dont have a heated bed yet so I dont see how im drawing to much current from the board.



  • I'm using the duet 2 wifi



  • @mathew-u said in Setup help (E3D heater):

    I cannot get my board to run at all. When I try to set a temperature in the range the entire board just losses power. Frustrated I ve spent so much time and money and cannot get any results.

    You can’t get your printer running by throwing money into it. You better should invest in time for further reading:

    Step by step guide
    Wiring your Duet
    Power Wiring
    Tuning the heater temperature control

    After you have built a first setup.g file, usually with the RRF config tool, setting up the board means to commission all motors, fans, sensors and heaters one by one. During this process, you will need to adjust some of the Gcodes in your config.g. Furthermore, the heaters must be „tuned“ so that the Duet learns how they work.

    Maybe that’s where you struggle at the moment, but I can’t say for sure because you might have been running too fast through the commissioning process. So, double-, no: triple-check your setup:

    • Cabling: all connections OK, from source to destination? All crimps fine, all connectors well seated? Any potential shorts?

    • Components: what’s the resistance of your heater? All screws tightened, nothing coming loose? What wattage does your PSU deliver? Make a checklist of what parts of your printer work, please post it here so that we know at what stage your printer is.

    • Config: You really should post it. We can’t help you without knowing the details.

    Finally, a better description of the „power loss“ would be fine. Does the PSU still work? What LEDs on the Duet are still lit? What about the fuses?



  • @infiniteloop sorry to come off incompetent I'm new to Duet boards and just trying to figure it all out. I have read all those articles over many times and everything is wired properly. I have a meanwell 450W 24V PSU. I used the configuration tool there was no setup.g file generated, Have I missed something. I have the 2.02 firmware. Here is the link to the hemera data sheet that I got from E3D that included the heater cartridge

    https://e3d-online.dozuki.com/Document/UBaWiCkBAAlCkZBG/Hemera-Datasheet-(Edition-1).pdf

    as for power loss when I try to heat the extruder anymore then 5 degrees at a time the entire board shuts off no lights, nothing but once I cycle power to the PSU everything turns on and operates normally again.

    As of now I have all x, y, z axis moving and homing correctly, end stops work, and fans are operational.

    Here is a copy of my config.g

    ; Configuration file for Duet WiFi (firmware version 2.03)
    ; executed by the firmware on start-up
    ;
    ; generated by RepRapFirmware Configuration Tool v2.1.8 on Sat Feb 22 2020 15:00:08 GMT-0800 (Pacific Standard Time)

    ; General preferences
    G90 ; send absolute coordinates...
    M83 ; ...but relative extruder moves
    M550 P"Mad-Dog" ; set printer name

    ; Network
    M552 S1 ; enable network
    M586 P0 S1 ; enable HTTP
    M586 P1 S0 ; disable FTP
    M586 P2 S0 ; disable Telnet

    ; Drives
    M569 P0 S1 ; physical drive 0 goes backwards
    M569 P1 S0 ; physical drive 1 goes backwards
    M569 P2 S1 ; physical drive 2 goes forwards
    M569 P3 S0 ; physical drive 3 goes backwards
    M584 X0 Y1 Z2 E3 ; set drive mapping
    M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
    M92 X80.00 Y80.00 Z400.00 E409.00 ; set steps per mm
    M566 X600.00 Y900.00 Z12.00 E120.00 ; set maximum instantaneous speed changes (mm/min)
    M203 X18000.00 Y6000.00 Z180.00 E1500.00 ; set maximum speeds (mm/min)
    M201 X3000.00 Y500.00 Z100.00 E10000.00 ; 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 X560 Y300 Z560 S0 ; set axis maxima

    ; Endstops
    M574 X1 Y1 Z2 S1 ; set active low and disabled endstops

    ; Z-Probe
    M558 P1 H5 F120 T6000 ; set Z probe type to unmodulated and the dive height + speeds
    G31 P500 X0 Y0 Z0 ; set Z probe trigger value, offset and trigger height
    M557 X15:215 Y15:195 S20 ; define mesh grid

    ; Heaters
    M140 H-1 ; disable heated bed
    M305 P1 T100000 B4138 R4700 ; set thermistor + ADC parameters for heater 1
    M143 H1 S285 ; set temperature limit for heater 1 to 285C

    ; 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

    ; Tools
    M563 P0 D0 H1 F0 ; 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 defined



  • @mathew-u I did’t want to assume incompetence, it’s just my inability to understand what’s going on - on this forum, we can’t see what is happening in front of you, so we have to rely on your description.

    This said, your latest post is very detailed and helpful, thanks for that. The hardware looks fine indeed. Currently, I see two building lots:

    • RRF. You should update the firmware to the latest stable 2.0 version, which is 2.05.1

    You can find guidance here, the firmware itself here. But as you got most components up and running, it might be better to do this later. And you should not use the configurator, your config.g is pretty well to the point, so stay with that and modify details directly.

    In the config.g, under „; Heaters“, try to change M140… to M140 S-273.
    Change M305… to M305 P1 T100000 B4725 C7.060000e-8 - this should be OK for your E3D hot end - at least it is for mine.

    • Blackout. Honestly, I don’t see a smoking gun, but the first thing to try is a calibration of the hot end. Just follow this guide for auto tuning.

    If auto tuning works, insert a line like this into your config.g, just below the M305… Gcode:
    M307 H1 A512.1 C269.5 D3.8 B0
    but fill in the values you receive from the auto-tune result (M303). At this stage, you better should not use the Gcode M500 to introduce the additional file „config-override.g“.

    However, I don’t have an explanation for the complete blackout you encounter. Maybe the tuning helps, but if it happens again, it’s time to ask more experienced guys than me for help.



  • @infiniteloop I wonder if its a PSU issue because I notice it shuts off as well. What are you using?



  • @mathew-u said in Setup help (E3D heater):

    What are you using?

    Some cheap chinese brick, 12V, 1kW.

    I wonder if its a PSU issue because I notice it shuts off as well.

    To verify that, you should have a replacement PSU at hand. Or you put a direct load on it, a rough equivalent of heater + steppers + Duet: 4-5 Ω, 100W should be a first approximation. But maybe it is sufficient to prove your thesis if you wire the heater cartridge directly to the PSU? But beware of the heat, and be ready to switch power off.


  • Moderator

    Next time it shuts down, when you bring it back up, send M122 in the console and copy and paste the results here. It may shed some light on what reset the board. It could very well be the PSU. Are you sure it's a genuine meanwell? Is the switch on the PSU for 120/240v set correctly?


  • administrators

    @mathew-u said in Setup help (E3D heater):

    as for power loss when I try to heat the extruder anymore then 5 degrees at a time the entire board shuts off no lights, nothing but once I cycle power to the PSU everything turns on and operates normally again.

    It's the power supply that's shutting down, not the Duet. Perhaps the extruder heater is shorted? Also check that the screws in the VIN terminal block are tight.



  • Finally got a new PSU and solved the problem. Thanks guys.


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