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Location:Home > troubleshooting > Why the laser head hitting the boundary or the limit switch
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Why the laser head hitting the boundary or the limit switch

Release Time:2016/05/19 troubleshooting Browsing Times:1373

There are three possibilities

A. Wrong pulse setting

If your laser cutter has a wrong pulse setting, the laser head might keep moving even it reaches the edge and hits the boundary.

If that is the problem, you need to reset the pulse parameter to fix it.

Please refer to the following link to reset the pulse parameter.

http://www.thunderlaser.com/troubleshooting/laser-cutter-has-a-wrong-cuttingengraving-size.html

B. The limit switch does not match the controller

Most laser cutter controller only works with the NPN-NO type switch. If you use other types, it will leads to the laser head hitting the edge. Please choose the correct limit switch to fix this problem.

C. Wrong wiring

If wiring of limit switch is wrong, it also leads to the laser head moving over edge.

Please refer to the following pictures to correct the wirings to solve the problem.

01

wiring diagram for mechanical switch

02

diagram for proximity switch

Please notice: set the limit polarity to “negative” in the factory parameters

If you need other helps, please refer to the others trouble shooting or contact with us by sending email to us “tech@thunderlaser.com”