Should be able to remove lens from bulb and then unscrew bulb.Switch off power first
johnny hotpoint, June 2009
They have thick glass covers that you remove from the inside of the oven - circular ones usually unscrew and a rag helps you to get a good grip. Rectangular ones are held in place with sprung wire - a robust straight bladed screwdriver will easily prise the glass cover off. The lamp itself unscrews.