No water inlets or required water level does not reach in the prescriptive time. The screen displays E4 with alarm.
Reason 1: The water tap is not opened.
Solution: Open the tap . Open and close the top lid, and then press the START/PAUSE button.
Reason 2: The water inlet valve is blocked.
Solution: Clean the water inlet valve. Open and close the top lid, and then press the START/PAUSE button.
Reason 3: The water pressure is too low.
Solution: Wait for the normal water pressure before use.
If the problem is not solved, please contact service center for help.