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What happens if the pin on a bltouch is dirty?
The BLTouch won’t function reliably if the pin is dirty or damaged. The pin can be removed for cleaning or replacement. The set screw at the top of the BLTouch holds the pin inside the body, and also acts as the ferrous core for the electromagnet to draw up the pin.
What should I do if my bltouch crashes?
Before a potential crash that can fatally injure your BLtouch, there are 3 things you need to do before pressing the ” Auto Home” button to test your BLtouch out. a. Keep your hands very near the wall socket/ power supply. If your BLtouch crashes for whatever reasons, you can be quick to react. b. Ensure your X Gantry is high enough.
How tall should the trigger be on a bltouch?
The BLTouch must be mounted firmly and squarely to the print carriage. Any flex or tilt could make the results unreliable. Also, follow the BLTouch instructions carefully with regards to mounting height. The bottom of the BLTouch plastic shell must be 8mm+-0.5mm away from the nozzle tip to trigger properly. Measure your Trigger Height.
What happens if you change the logic on a bltouch?
A change in logic to the mainboard will indicate “something has triggered”. Without a change in logic, the BLtouch cannot work as required. More on that later. Have a good sense of where the wires are by now? Great, let’s move on to the actual wiring of the BLtouch to the main board.
How can I change the behaviour of bltouch?
Modify your M558 and G31. The BLTouch behaviour is controlled by the M558 and G31 commands in config.g. Here is what an ideal set of commands should look like.
How tall should the nozzle be on a bltouch?
The bottom of the BLTouch plastic shell must be 8mm+-0.5mm away from the nozzle tip to trigger properly. Measure your Trigger Height. To get a proper first layer height, the distance from the nozzle tip to the bed must be known at the point when the probe triggers.