While you wait for answers, we may have found some information which could help you.
Click here for Bread Toaster StayI need a schematic / wiring diagram?
Electricity short circuiting?
How can I fix my 89100 model Dualit mini oven?
Mend the element?
Dualit kettle JKT3 needs on/off switch. Told not possible by Dualit?
Toaster level doesn't lock?