How to judge whether the door sensor of the refrigerator is on or off

摘要

The present invention relates to a method for determining a failure of a door on / off detection sensor of a refrigerator. More particularly, the present invention relates to a method of detecting a failure of a door on / off detection sensor of a refrigerator, Determining whether the door has been closed after the door is opened; counting the time from the time when the door is opened if the door is not closed; Determining whether the temperature of the freezing compartment is below a reference temperature when the temperature of the freezing compartment is equal to or lower than a predetermined temperature; Determining that the sensor is defective and displaying an error message accordingly and forcibly driving the freezer compartment fan motor; Determining that the door is kept open when the temperature of the seal exceeds the reference temperature, displaying an error message according to the error, and forcibly driving the freezer compartment fan motor, thereby promptly and accurately detecting the defective door sensor of the refrigerator door on / I can judge it.