Patent ID: 8109106

Claim:
A malfunction preventing device for a refrigerator, comprising: an inputting part in which a static electricity switch is provided to produce at least a first input signal and a second input signal for a plurality of user's commands, each input signal including control over a displaying part and a driving part of the refrigerator; and a controller, the controller having a wait mode, wherein the controller cancels the wait mode for a predetermined delay time period and ignores the first input signal related to the control over the displaying part and the driving part of the refrigerator when the first input signal is inputted when the controller is in the wait mode, wherein the controller processes the second input signal related to the control over the displaying part and the driving part of the refrigerator as soon as the controller receives the second input signal during the predetermined delay time period, and wherein the controller re-starts the wait mode if there is no input signal within the predetermined delay time period.