What is an F18: error message on a Dyson CR-01 ?

The machine finished washing,then displayed the F18: error message ? Can anyone help ?
Tracey, October 2004


done
Thx for that. I have the same error code so this was really useful. Sue

sue, April 2006
f18 is gear change too quick

paul, November 2004
link Click here to see other fixes for Dyson.