Solution Turn off the heat for a long time can not be closed gas

Solution Turn off the heat for a long time can not be closed gas burner valve：
Flameout protection device in the transmission mechanism is not working properly blocked and will not be shut gas burning appliances should first turn off the gas stove valves, actuator and check the adjustment means if there is an obstacle, if any, to be cleared. Flameout protection device is not protected by the state will not turn into the air, then you can repeat the stove knob.