JennAir microwave displays F14 and will not start; often associated with door or latch issues.

Safety First: Unplug the microwave before working near the door switches. Door switch circuits can interact with high-voltage components.

• Check door closure: Ensure the door closes fully and evenly. Look for sagging hinges or obstructions on the door frame.
• Listen for clicks: Slowly open and close the door while listening for distinct clicks from the internal switches. Missing clicks can indicate a failed or misaligned switch.
• Access switch assembly: Remove the control panel and inner trim to access the door switch bracket and switches.
• Test switches: Label and remove wires from each door switch. Use a multimeter to test continuity while pressing and releasing the switch actuator. Replace any switch that does not change state correctly.
• Inspect latch and bracket: Check the plastic latch levers and switch bracket for cracks or warping. Replace the door latch assembly or switch bracket if damaged.
• Reassemble and test: Reinstall components, ensuring switches are firmly seated and aligned with the door latches, then test operation.