The Switch is an OEM part for Bosch microwaves. It plays a role in the safety and functionality of the microwave, acting as a security mechanism that prevents the microwave from operating when the door is open. This ensures that microwave radiation is contained and only in use when the door is securely closed, protecting users from accidental exposure.
Causes of a malfunctioning door switch can range from physical damage, such as cracks or wear from repeated use, to electrical issues like short circuits or disconnections.
Symptoms of a bad Microwave Door Switch include:
- The microwave fails to start or stops unexpectedly.
- The interior light fails to turn on or off appropriately.
- Unusual sounds when the door is opened or closed.
- The microwave operates only when the door is in a certain position or not at all.
This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.
Do-It-Yourself Stories from Customers like You
Bosch hmv5052u/01 microwave tripping breaker when door opened. Steve D. • Plymouth , MA • June 11, 2022
Similar to other stories on here, the microwave was repeatedly tripping the circuit breaker, usually when opening the door. Plugged microwave into a different outlet/circuit, and problem traveled to that breaker, so definitely issue within the appliance. Turned out to be door interlock switch.
This model has 3 switches: 2 x AP4512903 (00617228, the Primary and Secondary interlock switches) and 1 x AP4512904 (00617229, the Monitor switch). It was only the Monitor switch that was defective, but...
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