1. Turn off the appliance by turning the temperature adjustment knob (thermostat) to 0.
2. Unplug the mains plug.
3. Undo the screw and remove the cover over the light bulb.
Take care with the cover as the cold can make it brittle.
4. Unscrew the old bulb.
5. Only use up to 15W bulbs. Anything higher may damage the appliance.Make sure that it is fully inserted to its housing. Take care to not over-tighten a screw-in bulb.
6. Screw the new bulb in to place.
7. Replace the cover and the screw over the light bulb.
8. Plug the appliance into the mains power and switch on.
9. Turn the appliance on by turning the temperature adjustment knob to the desired temperature.
10. Make sure the light works.