The halogen lamp is faulty.

Disconnect the barbecue from the mains power supply. Switch off at the wall and withdraw the mains plug from the socket or switch off the fuse of the electrical installation.
Use a screwdriver to loosen the M4 x 10 screw on the lamp cover holder.
Remove the lamp cover holder.
Remove the lamp cover.
Do not grasp the halogen lamp with your bare fingers. Please follow the manufacturer’s instructions.
Remove the halogen lamp.
Replace the halogen lamp (Osram HALOSTAR Oven, 64418, 12 V, 10 W, G4).
Insert the lamp cover holder and tighten the screw.
Insert the lamp cover into the holder.
