Geeetech

yes. it can
The knob and push button are bad and have been going bad since new. How do I get another one?

I have a Geeetech Prusa Mk3 pro A printer and the small part failed after 16 months is: 'Click button'- Alain called it many posts prevously or call it. 'Rheostat' - contol knob / push button It is in the front part of the power supply / control box that has the emergency stop button, the lcd displa...

How to change colors of filament mid print. Insert the following code at the spot that you want to change color / filament. ;TYPE:CUSTOM M106 S255 ;pwm ON 100% M117 Filament Change ;LCD "Filament Change" M83 ;M107 ;fan off G1 E-1.000000 F6000 G1 Z15.000000 F300 G1 X150.000000 Y0.000000 F9000 M84 E0 ...

I don't see the probe light go out like it does on mine when it starts to lower. Whenever mine stays red it goes up instead of down when it gets to the middle of the bed.
Maybe your G-code should have M280 P0 S10 before G28 to activate the probe...

You are down to just two wires. You are nearly done. Black and white wires from sensor connect to the board.

To Z min stop? I forget but the photos and instructions are clear there.You are almost finished. Is it one of those two wires that gets reassigned in pins.h?
Z min-end stop 32 --??

I forgot to add that it is normal for the nozzle to go up if the sensor is Red--not extended. It's wired right when it does that.

What color is the light on sensor when going down to bed? White is good--and pin extended. Red is not--pin retracted and no help! Maybe this will help. I was stuck where you are for a bit until I work this through. First prep sensor with -- M280 P0 S160. Then change color to white with M280 P0 S10 T...

Here is what I use: I hope you can read the attachment. If not PM me your email.

Those numbers in the matrix don't stand for correction at each point.

I don't know what they are for but I get the same kind of results and my 3D touch works well.

viewtopic.php?f=27&t=18263&start=180

read posts on page 19. they may help.