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How to check the X axis limit switch or X axis limit switch cable is broken

Robin Shakya

1. Limit switch or cable of limit switch is broken:

i. You need to open bottom cover.

Unscrew these two screw see the picture.Turn printer faces bottom part towards you. Check the picture

 

ii. Swap X axis limit switch with Y axis limit switch on the motherboard. After swap your Y axis limit switch is now X axis limit switch.

iii. Turn on your printer and select Set Up, select Jog Mode and select X axis you will see on screen.

 

iv. Select X axis and Press and hold the bottom. The X stepper motor will move.

v. Press Y axis limit switch by hand. (We have already swapped X axis limit switch with Y axis limit switch. Now your Y axis limit switch work as an X axis limit switch). When you press the Y axis limit switch. The X stepper motor should stop. If it stops, then your X axis limit switch or cable is broken.

2. Limit switch or cable problem:

i. You need to unscrew the screw X axis limit switch and need to unscrew the screws of Y axis.  

ii. Change your Y axis limit switch with X axis limit switch.

iv. Turn on your printer and select Set Up and select Jog Mode.

v. Select X axis and Press the bottom and the motor will move.

vi. Press Y axis limit switch by hand. (We have already swapped X axis limit switch with Y axis limit switch. Now your Y axis limit switch work as an X axis limit switch). When you press the Y axis limit switch. The X stepper motor should stop. If stop, then X axis limit switch is ok. Your X axis limit switch cable is broken. If it did not stop then limit switch is broken.

3. Cable problem:

i. You need to change back X and Y limit switch cable on the motherboard as its original position.

ii. You need to install Y axis limit Switch in X axis Limit Switch.

iii. Turn on your printer and select Set Up and select Jog Mode.

 iv. Select X axis and Press the bottom. The X Stepper motor will move.

v. Press X axis limit switch by hand. (We have installed the Y axis limit switch into the X axis limit switch. And Y limit Switch worked normally). When you press the X axis limit switch. The X axis stepper motor should stop moving. If it did not stop, then your X axis limit switch cable is broken.

NB: limit switch cable connection on Motherboard jack; X, Y and Z axis limit switch cable connect with motherboard jack X-Max, Y-Max and Z-Min respectively.

Please follow the above steps if you are facing any problems and questions contact us at support@mbot3d.com.

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