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

Robin Shakya

How to check the Y axis limit switch or cable is broken?

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

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

 

 iv. Select Y axis and press and hold the bottom. The Y axis Stepper motor will move.

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

 2. Limit switch or cable problem:

i. You need to unscrew the screw X axis limit switch.

 

ii. You need to unscrew the screws of Y axis

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

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

v. Select Y axis and Press and hold the bottom and the Y Stepper motor will move.

vi. Press X axis limit switch by hand. (We have already swapped Y axis limit switch with X axis limit switch. Now your X axis limit switch work as a Y axis limit switch). When you press the X axis limit switch. The Y stepper motor should stop. If stop, then Y axis limit switch is ok. Your Y 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 X axis limit Switch in Y axis Limit Switch.

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

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

v. Press Y axis limit switch by hand. (We have installed an X axis limit switch into the Y axis limit switch. And X limit Switch worked normally). When you press the Y axis limit switch. The Y axis stepper motor should stop moving. If it did not stop, then your Y 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 problem contact us support@mbot3d.com  

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