While you wait for answers, we may have found some information which could help you.
Click here for Thermostat Oven Kenwooddual fuel kenwood double oven cooker ck 404 fs?
Kenwood ktc 506519?
how to fix a kenwood ckb 200 fan oven?
How do I change the thermostat in the small oven of my Kenwood CK405??
How can i fix my oven?
Kenwood 304 oven.trips rcd?