The water pump would appear to have failed. You can get them on net for around £23 plus the dreaded vat. Not too bad to fit either. The pumps don't normally clog up as the water they pump should be clean but always worth taking old one out and checking its clear. Also the pump is switched by a float switch which can fail. www.4indesit.co.uk have both them at £23.99 for pump and float kit.
Kev the Fixer
November 2008