Bush oven interior light not working, but oven heats normally.

Safety first: Switch off power before changing the lamp.

• Replace bulb: Remove the glass cover and fit a new high-temperature oven bulb of the correct type.
• Check holder: If the new bulb does not work, inspect the lamp holder contacts and replace if burnt or loose.
• Test wiring: From the rear, verify that live and neutral wires to the lamp are secure.