Troubleshoot "Position Limit Failure" for xTool S1
Updated Mar 26,2024
Updated Mar 26,2024
This article applies to:
xTool S1 with all laser modules.
Issue description
Upon powering on, if you see the z-axis with the laser module plummets to crash on the material, the x-axis lurches forward bumping into the side frame of S1, or the y-axis jolts forward hitting the front frame, follow this guide to troubleshoot the issues.
#1 Test the sensors with Lightburn
Use Lightburn to check if the position limits are faulty.
Input "M25" in Lightburn's "Console" interface and hit the "enter" button on the keyboard.
If the returned values are "X0 Y0 Z0", this rules out the malfunction of the position limit. Proceed to the next troubleshooting step.
If, in contrast, the result shows "X1 Y1 Z1", this indicates the position limit breaks down.
Note: XCS and Lightburn cannot run simultaneously.
#2 Check and clean the limit sensors
As S1's position limit is determined by photoelectric sensors, any dirt or dust on the sensor surface will deceive the sensors into falsely detecting a stop, resulting in a collision.
Check if the X-axis, Y-axis, and Z-axis limit sensors are tainted. Clean the sensors with a blower, vacuum cleaner, or non-woven fabric, but avoid using liquids for cleaning.
X-axis limit sensor: the left end of the x-axis gantry
Y-axis limit sensor: the top-left corner inside the machine.
Z-axis limit sensor: the bottom of the z-axis plate (bring down the laser module to see).
#3 Secure or replace the limit sensors
Check if the fixing screws of the position limit sensors are loose. If so, reconnect the sensors and secure the screws.
If the issues persist, replace the position limit sensors. Contact xTool Customer Service at support@xtool.com for replacements.
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