Common troubleshooting
The X/Y/Z axis motor does not move or makes abnormal noise when returning to
zero.
1. Check whether the motor wire is loose
2. Check whether the corresponding limit switch can be triggered normally or
whether the limit line is loose.
3. Check whether the corresponding axis is blocked by interference objects
4. Check whether the gear jackscrew on the motor shaft or optical axis is loose,
causing slippage.
Nozzle extrusion abnormality
1. Check whether the extrusion motor wire is loose
2. Check whether the top screw of the extrusion gear is locked to the motor shaft
3. Check whether the main fan in the middle of the print head rotates normally
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