Sounds like a faulty inlet valve - cheap enough to replace.
Repair and service your own washing machine. Go to www.2ndwave.co.uk/manual.html
Spares suppliers:
www.4directelectricals.co.uk
http://www.ukwhitegoods.co.uk
www.ukapplianceparts.com
http://www.domesticspares.co.uk
http://shop.ezee-fix.co.uk
http://www.espares.co.uk
or simply go into google and type in "washing machine spare parts" - selecting "pages from uk".
dannyboy, November 2008