MMU2S forgets to unload after recovery
So I am facing a reproducible issue with my MMU2S, but I feel I must be doing something wrong on the operation to cause it. Sometimes my MMU2S will stop printing in an error state, (all LEDs blinking), and I will be able to recover it by resetting the unit through the button on the side.
However, after the reset, the MMU2s will believe the selector to be in Position 1, and will immediately start loading, and so to circumvent this, I must hit the select position button to re-home and re-move the selector position to the correct position, and then resume the print.
However, after continuing the print in this way, on the next filament change, the unit always moves the selector without unloading the filament, and as you can imagine, this causes a lot of issues with jams in the MMU2s selector area. My filament sensor is working properly, but it doesn't seem to care about this and moves the selector without unloading first. This only happens for the tool change after the recovery, and thereafter it is ok.