I would reckon it's the fan. It's fairly easy to replace. If you have the back off the machine you'll see it at the bottom left. Looks like a white drum. If I remember right you'll need to take the motor out to get to it, but again it's not a big job. I paid just over £5 for a new fan.
Donn Wilson
June 2007
Great i have same dryer different number, i had the same problem went round but no heat. i had red button on the back pressed it and it works again.
Many Thanks
Ashley Rabone
June 2007
On mine tere is a trip buton in the center on the back. There is a round black rubber press the center and it might help???
Paul
June 2007
I can answer this question...
how can i fix my white knight WK447 dryer no heat?