The Samsung SMH1927B,W,S/XAA 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.
The time indicator displays: 88:88
The microwave makes noise during operation
The cooktop lamp is too dim
The turntable rotates improperly
The door is damaged, including a broken hinge, worn out seal, or distorted/bent casing
The microwave generates a strange noise, a burning smell, or smoke
The display and/or the oven is not working
ECO mode reduces standby power usage