Door alarm beeps frequently even though the door appears closed and cooling is normal.

Steps to stop false alarms:

• Check door alignment: Ensure the door closes squarely and does not sag. Adjust hinges if necessary.
• Inspect magnet and switch: Verify the door magnet is present and aligned with the sensor. Replace if missing or loose.
• Test switch: Replace the door switch / reed sensor if it intermittently reports open when closed.