Gary S Moore , OK January 06, 2026 Appliance: Model BOSCH HMV3021/U02 No error code bosch microwave hmv3021u/02 poping circuit breaker when start button was depressed it was the middle switch that was defective changed all 3 anyways going to order another set The middle Door Switch was actually bad. Replaced all 3 switches any way's. Going to order another set of switches and bracket just for a spare. Service was fast and the FedEx delivery. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes