While you wait for answers, we may have found some information which could help you.
Click here for Double Oven PowerFan motor on a dual fuel kenwood cooker?
dual fuel kenwood double oven cooker ck 404 fs?
Main oven stopped working ?
How do I change the thermostat in the small oven of my Kenwood CK405??
I have a kenwood ck304fs. ?
how to fix a kenwood ckb 200 fan oven?