It may be that the drain pump has failed but it might just be trapped food debris under the impeller blades - you can sometimes examine these relatively easily from inside the machine.
On my machine I took out all the filters at the bottom and after hand draining the water from the sump there was a single Torx (star) screw at the very lowest point. Removing this and the cover it held in place exposed the impeller blades - lemon pips and other crud were jamming the blades - tweezers helped get the debris out.
The blades should move freely with a bit of magnetic resistance.
Good luck...
Peccavi
October 2009
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