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Filament monitor gives bad calibration data when filament not moving #916

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dc42 opened this issue Sep 28, 2023 · 0 comments
Open

Filament monitor gives bad calibration data when filament not moving #916

dc42 opened this issue Sep 28, 2023 · 0 comments
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bug Bug that has been reproduced
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After 3.5.2

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dc42 commented Sep 28, 2023

If a print is started but the filament is not moving e.g. because it is stuck or not loading, after 10mm of commanded extrusion the print is paused as expected; however M591 reports stupid calibration values e.g. "inf" mm/rev for a magnetic filament monitor and a huge percentage. It would be better for the firmware to report zero or very little measured extrusion as "filament not moving" or similar.

This was observed using RRF 3.5.0-rc.1+ but is believed to be the case for earlier firmware versions too.
@dc42 dc42 added the bug Bug that has been reproduced label Sep 28, 2023
@dc42 dc42 self-assigned this Sep 28, 2023
@T3P3 T3P3 added this to the 3.5.0 milestone Oct 16, 2023
@T3P3 T3P3 modified the milestones: 3.5.0, 3.5.1 Mar 6, 2024
@dc42 dc42 modified the milestones: 3.5.1, 3.5.2 Apr 22, 2024
@T3P3 T3P3 modified the milestones: 3.5.2, After 3.5.2 May 22, 2024
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