Humidifier turns on but shuts off after a few seconds without any error code.

Safety: Unplug the unit before inspecting the tank area.

• Reseat tank: Remove the water tank and reinstall it firmly, ensuring it is fully seated and aligned.
• Check tank orientation: Make sure the tank is not reversed and that the cap and valve are properly tightened.
• Inspect tank switch: Locate the tank detection switch or magnetic sensor on the base. Ensure it is not obstructed by dirt or scale.
• Test with gentle pressure: With the unit running, gently press down on the tank. If it stays on, the switch or tank alignment may need adjustment or replacement.
• Persistent issue: The tank switch assembly may be faulty and require replacement.