1. The red safety button sinks or does not appear red: it indicates that the pressure cooker is in normal working condition and the pressure is within the safe range. The pressure cooker can be used continuously. 2. The red safety eye bulges or turns red: It indicates that the pressure inside the pressure cooker is too high, which is beyond the safety range. At this time, the pressure cooker is in a dangerous state and cannot be opened or used continuously. Turn off the gas or power supply immediately and wait for the pressure in the pressure cooker to ease before trying to turn it on.
Pressure cooker, also called pressure cooker, is a kind of cooking pot. The pressure cooker promotes this physical phenomenon by boiling the liquid under higher air pressure, and exerts pressure on the water to make it reach a higher temperature without boiling, thus speeding up the stewing efficiency.