The Samsung BF1 Series Oven has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your Samsung might be giving you.
There is a fault in the internal electrical circuit connection.
There was a power failure.
The oven light is faulty.
The fan runs following use until the oven has cooled down.
Oven has continued operating at set temperature for prolonged time.
There may be problems with the internal electrical connections.