OE is an obstruction in the pump area. undo the little flap at the bottom left of the machine as you look at it, using a screwdriver or table knife, drain the machine using a shallow tray and the pull out black hose then undo the grey circular entry point. (to the left, inside the panel you have accessed. That is where i find money and kids socks clogging up that area. The user manual is downloadable, just google it.
matty, June 2008