A faulty fuse, wiring issue, or control board failure can stop power altogether. Built-in units require professional service since they’re integrated into cabinetry.

Magnetron or waveguide problems can cause cold spots in food. Consistent heating is key for safety and performance.

If the motor or roller guide fails, food won’t heat evenly. Replacing the mechanism restores function.

If the latch is broken, the microwave won’t start for safety reasons. This is one of the most common built-in issues.

Modern built-ins show error messages when sensors fail. Diagnosis and repair are needed to clear them.

Ensure airflow isn’t obstructed to avoid overheating.

Maintain visibility and safe operation by swapping failed parts promptly.

Protect latches and seals by avoiding slamming.