1. No water Perhaps the corner valve is not open, screw the corner valve 2 .Water level is too low or too high Adjust the height of the float bucket and the float 3 .More than water The inlet valve has many impurities at the water seal, clean the sealing ring and active valve core 4. The water inlet speed is slow With insufficient water pressure or blocked impurities, clean the filter net and adjust the water pressure 5 .Do not rush water The trachea is folded to keep the trachea smooth, the water level is too low, and adjust the working water level