The present invention relates to grill assemblies for generating heat from various sources. In particular, the present invention relates to grill assemblies including various control members to detect unintended heating and terminating such. The present invention also relates to various methods of detecting the unintended heating by the heating elements and stopping such operations. The present invention also relates to various processes for providing various control members and grill assemblies including such control members. Such control members may be incorporated into grill assemblies for generating heat from various sources, e.g., burning gas, flowing electricity, irradiating electromagnetic waves thereby, and so on. In addition, the control members of this invention may be implemented into various stationary and/or portable grills and ovens for cooking food, various fireplaces or burners for heating interior, and the like.