The Samsung MO1650WA/BA/CA 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 microwave door is not securely closed.
The power was interrupted before the set time elapsed.
The clock needs to be reset due to power interruption.
The ventilation fan may not be functioning properly.
The turntable is not rotating as it should.
The light brightness setting is incorrect.
Personal options need to be reset.
The remind end signal is not set correctly.