Electrolux 55GX What is wrong and why?

Problem
The ovens are not cooking evenly.
Check
Check that the appliance is installed properly and is level.
Check that the main oven roof is pushed fully back into position.
Check that you are using the recommended temperatures and shelf
positions.
Check that you are using the recommended size baking trays (see
page 13).
If you are cooking a large item be prepared to turn it round during
cooking.
To suit your own tastes you may prefer to turn some foods round
when cooking in the top oven.
Problem
Having difficulty cleaning any part of the appliance.
Check
Check that you are following the instructions for care and cleaning
(see page 23).
L Y R I C 5 5 G X
33
What is wrong and why?