How to fix a Samsung Microwave Oven that does not accept key input?
- CClayton OconnorJul 31, 2025
If your Samsung Microwave Oven isn't responding to key inputs, it could be due to a few reasons. The key input might not be in the correct sequence, there could be an open or loose connection of the membrane key pad to the Ass'y PCB, the membrane panel might be shorted or open, or the Ass'y PCB could be defective. Refer to the operation procedure for the correct key input sequence. If it doesn't help, replace the PCB main.