1, first of all, the pressure cooker deflates correctly, which is a forced cooling method, and it needs to be showered with water or soaked in water to reduce the pressure.

2. Secondly, after cooling, gently lift the pressure limiting valve to discharge residual gas.

3. Finally, when the exhaust valve rotates 90 degrees, you will hear the sound of exhaust and see the exhaust. After the gas is exhausted, the safety valve will automatically fall down and the exhaust is successful.