Having BLTouch problems?
If your BLTouch doesn’t light up or trigger when the printer is turned on, but the rest of the printer seems fine (Motors and fans all work), it most likely isn't a bad BLTouch
If your printer had a seriously bad print that caked your hotend, there is a possibility that the BLTouch shorted out some of the electrical components of the printer. This means that the Arduino's built-in 5v regulator could have burned out, or a trace line in the electronics case's rear PCB connector board burned out.
Here are some possible fixes to this problem: