F03 - faulty thermistor. Its the temperature sensor also known as the NTC (negative temperature coefficient). Usually located at the rear base of the drum. Circular item with round rubber grommet type seal, 2 wires attached. Replace it.
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".
Repair and service your own washing machine. Go to www.2ndwave.co.uk/manual.html
dannyboy
November 2008
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix washing machines.