Affected by low fluid levels?
Not likely. The Easy Spin-drier I have has peed and peed and peed (and now I can't even fathom where it's finding the oil to leak) and still works fine. I need to refill and reseal the transmission, obviously, but it won't halt operation if the levels get lower.
The setup is reminiscent of the Kenmore concept, where it seemed to be from the book of "if it's got something wet in it, it's okay."
Disclaimer: Not to say that I condone letting your machine run out of oil and then just keep running it indefinitely. Oil is good, and we like it to be full. In the strictly technical sense, however, no, the diminished level will not stop it from operating.
And I have yet to hear of an Easy out there that DOESN'T leak oil.