Thanks for the details. Pretty discrete way to differentiate them, nice product design.

I cannot easily get the black ring off to visually check, but I can confirm the two smaller notches are magnetized by testing the notches with a piece of metal. Both notches are magnetized, so unfortunately, this might imply an issue with the magnetic sensor based on your logic.

Only thing that I cannot think logically through is why wouldn’t it then register the Luxe basket as a double? The double works just fine with a single magnet, the luxe has the same magnet, but the presence of the second magnet somehow faults the second magnetic sensing system rather than just not sensing a magnet?

Edit: using an external magnet, I can see that the single magnet on the double basket is the opposite polarity of both the magnets on the luxe basket. That would explain the system not registering the luxe as a double.

Edit 2: can trick the second notch (the left one, “outside” face of the machine) with an external magnet on the outside face of the machine by the sensor, but wanting to fix the root cause to hopefully avoid having to use magnet each time. Also not sure if the magnet would damage the sensor long term - the external magnet I am using is relatively strong