If the ignition system doesn't work there may be a fault with theelectrical supply. First, check the socket by trying out another piece ofelectrical equipment in it, if that works correctly renew the fuse in theplug.If the fuse keeps failing there is a fault in the appliance which mustbe put right. Do not use a fuse with a rating higher than 3 amps. Do notcarry out other electrical work. Unplug the appliance and tell yourinstaller.Replacing the Main Oven light bulbYou need a 25 Watt small Edison screw with a temperature rating ofT300.l Make sure the oven is cool before you replace a bulb.l Unplug the appliance.l Open the oven door and remove theoven shelves.l Place palm of hand at top of lens flat against oven side. Use fingersto lever lens away from housing.l Unscrew the bulb by turning it to the left.l Fit a new bulb and then replace theglass bulb cover.l Replace the oven shelves.l Plug the appliance back into the electricity supply.The oven light bulb is not covered by the manufacturer's guarantee.Z C G 8 0 2 136General information