Tried to install a CR touch leveling system and now my whole system has quit working

[CRCinAU]

The BLTouch FAQ might help here:

BLTouch - Frequently Asked Questions

[image] The basic: The BLTouch has two parts from a firmware perspective. a) Control, often called servo. This consists of 3 wires: Red is +5v Yellow is signal and; either a Brown or Black is GND. The control signal is PWM and is treated just like a servo. b) Trigger. 2 wires: Black is GND White is the signal. Wiring the BLTouch to your controller All mainboards are different but they can have a dedicated bltouch plug - eg the creality V4 series boards [image] G V and IN are the cont…