Radek

Monitor Trinamic drivers * for error conditions like overtemperature and short to ground. * To manage over-temp Marlin can decrease the driver current until the error condition clears. * Other...

https://github.com/bigtreetech/BIGTREETECH-SKR-V1.3/tree/master/BTT%20SKR%20V1.4/Hardware

please close this ticket

https://www.youtube.com/watch?v=EivpEgsfNDc https://www.youtube.com/watch?v=gdecCW3vsIM

endstop Z remap to another connector. You can remap Fan0 to HE1.

A small recap. You are using an optical probe on the Z axis. does not switch when connected to the Z-STOP connector, but works well when connected to the X-STOP....

Connect the optical probe to the X-stop connector. Connect mechanical endstops to Y-stop and Z-stop. Make sure no endstop is activated and send an M119 command. Activate all endstops and...

> No, I’m not using optical probe. Just standard endstop. X, Y mechanical endstop, Z optical Endstop, you can see it in my first Pic. OK, I spoke badly. According...

The problem will be in the sensors. Can you measure the voltage on the signal pin in the activated and deactivated state?

It is bad. are you connected correctly?