If the door does not look level, its not likely to close properly due to a damaged hinge or if the clasp on the door is not meeting the opening on the body of the oven. Adjustment may be possible but likely a new door hinge or door clasp will be needed. A technician...
This may be a problem with fan motor or perhaps the fan itself is making contact with the cover plate. Its sometimes is caused by a damaged oven element. Its best not to use the oven without the fan working so a technician will be needed.
