A: open the drain valve, close the gas phase valve, flushing liquid phase valve and drain valve, see there is no water out.

Two: open the gas valve, close the liquid phase valve, flushing gas valve, liquid level meter, drain valve, see if there is no gas out.

Three: open the liquid phase valve, close the drain valve to see whether the level can return to the original location.

After flushing the level gauge, if you do not see the level, you need to call the water operation. Close the drain valve, open the liquid phase valve, turn off the gas valve, see if there is no liquid level gauge, there is a water level shows that the water is not serious, if there is no liquid level, indicating a serious lack of liquid level. Slight lack of liquid level, then open the gas collection or water supply valve slowly to the normal position.