The Linear Module can only move in one direction.
- The end-stop switch is stuck or broken.
1. Connect the machine to your computer with a USB cable.
2. Launch the Snapmaker Luban. Go to Workspace, input M119 in the Console panel, and then check the status of the end-stop switch.
- If X_min or X_max is displayed as “TRIGGERED” (as opposed to “open”), then the end-stop switch of the X-axis Linear Module might be stuck.
- Similarly, if Y_min, Y_max, Z_min, or Z_max is displayed as “TRIGGERED” (as opposed to “open”), then the end-stop switch of the Y-axis or Z-axis Linear Modules might be stuck. Since both Y and Z Axes have two Linear Modules, you can test one of them at a time to find out which Linear Module is malfunctioning.
3. Fix the end-stop switch of your TRIGGERED Linear Module.
3.1 Disassemble the cover (the end without cable) of the Linear You will need the H2.5 & H2.0 screwdriver heads.
3.2 Find the end-stop switch as shown in the picture below. Clean and check the end-stop switch to make sure it is intact.
3.3 Press the metal piece circled in the picture below with your hand, see if the end-stop switch can make a click sound.
3.4 Assemble the Linear Module.
4. Check if the Linear Module works. If not, replacing the Linear Module might solve the problem.