Customer Questions and Answers for Microwave Door Interlock Switch by Bosch

This door switch is a safety interlock that detects whether the microwave door is properly closed before allowing the unit to operate. It is mounted near the door latch mechanism inside the microwave's cabinet. Replace this switch if the microwave does not start when the door is closed, runs with the door open, or if it blows a fuse when the door is opened or closed.