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srobinsonSep 10, 2025
What to do if my Primus MB16 displays 'Unload' and 'Door is Open'?
- RRobert WelchSep 10, 2025
If your Primus Scrubber displays 'Unload' and indicates that the 'Door is Open', check if the “Door Switch” is still closed. If the “Door Switch” is broken, replace it.


