@Daraenor 1. check the connection of BL-touch and feed back the wiring picture 2. Observe whether BL-touch has extended and retracted three times when restarting 3. Adjust the screw on the top of BL-touch 4. Replace the spare probe 5. Check whether the hot bed is leveled, if not, please re-level the hot bed 6. Bind the wire of heating pipe and BL-touch cable separately