While you wait for answers, we may have found some information which could help you.
Click here for Display Panel NumbersHow can I fix kenwood ck405 oven?
How do I change the thermostat in the small oven of my Kenwood CK405??
Main oven stopped working ?
Fan motor on a dual fuel kenwood cooker?
dual fuel kenwood double oven cooker ck 404 fs?
How can i fix my oven?