Reasons

Y-axis Limit switch failure

Solution：

1. Check the appearance of the limit switch.
   a. If there is damage to the appearance.
   For example, if the rocker of the limit switch is bent and damaged, please try to see if it can be repaired.
   
   If this cannot be repaired, please contact us: tech@thunderlaser.com
   
   b. If there is no visible damage to the exterior, go to the next step.
   
   
   

2. Please open the diagnostic program to test.
   Steps to open the diagnostic program: Click the Menu >> Diagnostic
   
   

Properly working limit switch
	Y limit switch closed	Y limit switch not closed
Limit switch status
Diagnostics interface

a. If the Y-rear limit in the diagnostic program does not light on when the limit switch is closed, reinsert the limit switch cable.

If the Y-rear limit in the diagnostic program does not light on when the limit switch is closed after re-plugging the cables tightly and confirming that the connections are correct.

Please contact us: tech@thunderlaser.com


b. If the X-left limit in the diagnostics program lights up normally when the limit switch is closed, please go to the next step.

Abnormal contact of signal cable between motor and driver

Solution:

Re-plug the signal cable between the motor and the driver.

If your machine is a Bolt Pro 22/32, you'll need to remove the housing by unlocking the five screws first to find the Y-axis motor.

Abnormal contact of signal cable between driver and controller

Solution:

Re-plug the signal cable between the driver and the controller.

If you can't solve the problem after checking the above, please contact us: tech@thunderlaser.com

End.