[BUG] Sensorless Homing not functioning CoreXY

[theomajigga]

Did you test the latest bugfix-2.1.x code?

Yes, and the problem still exists.

Bug Description

CoreXY Hypercube style printer FLYF407ZG latest marlin. Dual Z screws. Pins updated for UART and Z2 axis on E0. Wires ran from endstops on board to pin on tmc2209.

Currently have no belts on it to see if there was binding, still does the same thing.

Have attempted every value for threshold that I can think of, changed bump off, etc. Configuration.zip

Bug Timeline

No response

Expected behavior

Homing sequence to finish properly.

Actual behavior

Bounces off of axis slightly and returns to original spot.

Steps to Reproduce

Write firmware to card, and run homing sequence.

Version of Marlin Firmware

Marlin 2.1.2.2

Printer model

Hypercube Evolution

Electronics

FLYF407ZG

LCD/Controller

No response

Other add-ons

No response

Bed Leveling

UBL Bilinear mesh

Your Slicer

Cura

Host Software

Pronterface

Don't forget to include

• [X] A ZIP file containing your Configuration.h and Configuration_adv.h.

Additional information & file uploads

No response