Maybe it isn't jammed then! When I try to rotate it it does feel very stiff, which led me to believe that the rubber band is still twisted around the other side of the impellor that I can't get to!
I have tried running a cycle, this time it did drain and the 'check water' light did not come...
This thread has been extremely helpful to me.
My dishwasher has not been draining so I removed the small cover and found an elatsic band wound around the drain pump impellor (the small wheel) but although I tried my best to free the elastic band some of it must still be wound around in the...