Display shows E9 and the door alarm may sound continuously even when the door is closed.

Safety: Unplug the unit before removing trims or panels.

• Check door alignment: Ensure the door closes fully and the gasket seals all around. Adjust leveling feet if the door is sagging.
• Locate door sensor: On many TYLZA models, a magnetic reed switch is located behind the front frame near the top or side, with a magnet embedded in the door.
• Test magnet: Slowly close the door and listen for the alarm to stop. If it does not, hold a small magnet over the frame where the sensor is located; if the alarm stops, the door magnet is misaligned or weak.
• Inspect wiring: Remove the inner trim to access the reed switch and check for loose or broken wires.
• Replace components: Replace the door reed switch or door magnet with TYLZA-compatible parts as needed.
• Test operation: Restore power and confirm E9 clears and the alarm only sounds when the door is open.