Duet 2 WiFi - Mesh Grid Heightmap Too High

  • Hello once again to readers!

    I've run a mesh grid heightmap on a small portion of my "fake bed" (which is a flat block of MDF), and I seem to get a result that is super high from the axis. I don''t entirely know whether this is a G-Code problem, or a BLTouch positioning problem. Is this able to be fixed at all, like offsetting, or would I need to physically adjust something?

  • I had the same problem when I used G92 Z0 for Z homing instead of G31

  • It would help to know some more information.

    What firmware version?
    Can you post your config.g and homing files?
    Does the BLTouch function as expected otherwise?
    Other details about the printer.

  • Do you use your BLTouch for homing the Z axis also? If so, did you home the Z axis while the bed was cold and then probe while hot?

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