Extruder not extruding

[HiddenTr0ll]

Hello, I installed the repetier firmware on my tronxy X1. Everything works fine besides two things: 1: the extruder stepper doesn't move. 2: while connected via USB the printer resets every 10 seconds

I hope that you have some tips for me Jonas

[repetier]

Extruder only moves when hot. Also check eeprom settings if all values make sense, especially steps per mm. M302 S1 would allow cold extrusion as well.

Does printe ronly reset when connected to a host software? Which? Reconnections might cause a reset. Repetier-Server does this if response is unreadable e.g. because baud rate was wrong.

[HiddenTr0ll]

Ok, that was the problem. The extruder does move when its's hot!

After flashing the firmware again, the resets stopped. But i still can't controll the printer via Repetier Host. It can connect, but i can't manual controll the printer. Baud rate is right.

[repetier]

What does log show after M119 If you get a good answer you know connection is working and it is just wrong configuration or wrong eeprom values.

[HiddenTr0ll]

Repetier Host only says 1 command waiting. In the log it says "No start signal detected - forcing start"

[repetier]

Then you are not really connected. x commands waiting means not all commands were send and this happens if host does not understand printer. Typical reason is wrong baud rate.

[HiddenTr0ll]

Any other causes? Baud rate is 115200 on both machines.

[repetier]

What do you see in log if all filters are disabled? Malayan boards need a different RTS setting for the serial port then other boards, but you can currently not set it in host, only in repetier-server.

[HiddenTr0ll]

20:20:44.575 : OpenGL version:4.6.0 NVIDIA 416.34 20:20:44.576 : OpenGL extensions:GL_AMD_multi_draw_indirect GL_AMD_seamless_cubemap_per_texture GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_color_buffer_float GL_ARB_compatibility GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_compute_shader GL_ARB_compute_variable_group_size GL_ARB_conditional_render_inverted GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility 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20:21:14.081 : No start signal detected - forcing start 20:21:14.098 : N1 M11034 20:21:14.098 : N2 M11536 20:21:14.098 : N3 M10536 20:21:14.098 : N4 M11435 20:21:14.098 : N5 M111 S698 20:21:14.102 : N6 T060 20:21:14.102 : N7 M2022 20:21:14.102 : N8 M8019 20:21:14.102 : N9 M10546 20:21:17.150 : N10 M10522

The Board worked fine with Repetier Host before I upgraded the firmware.

[HiddenTr0ll]

The serial monitor from the arduino IDE is reading random ASCII characters.

[repetier]

Assuming ack would be shown you see there are no responses from the printer. Did you use right baud rate in arduino IDE? Default is 9600 baud I think, but you say it is on 115200 baud so you need to set that. If it was 115200 baud your printer is not set to that. Change eeprom mode to a different value != 0 and upload again to make sure it is set to what you said. Then communication should be readable.

[HiddenTr0ll]

Yes, 115200 was used in all programs and on the printer. The eeprom mode is 1 and baudrate set in configuration.h to 115200. Changing the baudrate in the printer settings doesn't solve the problem.

[repetier]

That does not mean baud rate is set to 115200, therefore please do what I ask to make sure it is really set to 115200. So compile with eeprom mode 2 and upload.

[HiddenTr0ll]

Compiled with eeprom mode 2. Still same issue :/

[qusai210]

hi i made the first 3d printer and the extruder does not work i used repetier firmware 1.0.4 with host can you help me reppetier

[sandro730]

Hello Delta Printer Firmware version 1.0.4 I have the same problem. Even after using the M302 S1 command I cannot move the extruder to load the wire towards the hotend.

Configuration.h

[repetier]

Did you use small extrusions or a big one? Big ones are blocked normally. Big is defined here:

define EXTRUDE_MAXLENGTH 100

which is less than you normally use for bowden.

Also check eeprom to see if all parameter like steps/acceleration etc are valid values.

[sandro730]

Thanks I solved. It was enough to disable the automatic retraction. In my experience, I recommend reporting the status of the retraction feature, to the log when executing the M302 S1 command.

Thanks