Geeetech

Additions: with disconnected temperature sensor display shows: -5c. When I made short circuit with his pins display shows +137c.
Seems it is motherboard problem. How it can be fixed? Do I need full MB replacing or just a few elements (which ones)?

I have stuck with a serious bug of my printer. Yesterday it suddenly stopped and show "Thermal runaway..." message. I pressed reset and tried to restart print. And there a main problem began:

1. Printer starts to heat hotend (target temperature set to 195)...
2. Monitor shows temperature increasing ...

William wrote: Thu Jan 30, 2020 6:26 pm Hi，The current T-Series firmware with 3d touch is uploaded after testing.

Do you mean here? https://www.geeetech.com/download.html?download_id=45

There are no 3D-Touch supported firmware for A20T.

Do you want to print with 8 colors using 3 extruders? It is possible with simple gcode post-processing.

There are three steps:
1. Add printer to Cura profile. Set 8 extruders.
2. Load stl models (8 independent parts).
3. Assign extruders to each part of model. Do not forget about prime tower.
4 ...

You have to properly set config.json according to layers amount of your model and your color-mix scheme. Do not use my config.json.

Being disappointed with the issues of standard Geeetech color mixer software that fails to work with the Cura gcode (mode with three extruders), I wrote simple color mixer for NodeJS. I have tested it on my A20T and found no errors. Sources in attachment.

Need some help. Does anyone know how to secure the heating elements properly? The filament is leaking from their placeholders. The printer is Geeetech A20T. Do not mind the nozzle leakage, I have fixed it already.