The printer cannot communicate with computer?
Check the USB serial chip at first:
http://www.geeetech.com/forum/viewtopic ... 21&t=60612
Firmware
1.How to upload firmware?
You need to upload the firmware via Smartto Toolkit
http://www.geeetech.com/forum/viewtopic ... 222#p82222
2. How to change the motor direction in the firmware?
http://www.geeetech.com/forum/viewtopic ... 054#p82054
Motor
1.Motor’s non-action
http://www.geeetech.com/forum/viewtopic ... 17&t=17038
3.The motor can move at one direction only
1)Check the wires of the endstop loose or not
2)You need to check the endstop work or not
viewtopic.php?f=17&t=60927
3)Swap the a4988
LCD
1.If you find your LCD shows white only or abnormal,you need to reflash the LCD files
http://www.geeetech.com/forum/viewtopic ... 64&t=60677
Extruder
1.Extruder does not work normally.(You need to check the temp of it is correct )
2.If you find the "Nozzle 0 temp",you can check the contact point of the nozzle.
You can use the soft cloth clean it
- contact point.png (237.82 KiB) Viewed 22947 times
Level
1.Manual level
- 通用调平示例.jpg (50.77 KiB) Viewed 22947 times
1.Wires of the Mainboard: GTM32 MINIS
- GTM32 MINI E180 wires.png (1.06 MiB) Viewed 22638 times
https://github.com/Geeetech3D/Diagram/b ... MINI_S.pdf
(being updated)
If this information cannot cover your problems, you can join our Facebook group, and get help from our technical support team or have a detailed discussion with other customers in time.