a household freezer alarm system has a door alarm switch having a holding element that is movable to a position for releasably maintaining an actuating plunger of the switch at a deactivated position . at the deactivated position , the freezer can be cleaned , loaded with food , or other freezer door - open operations performed without sounding a door - open alarm . means is associated with the holding element for automatically moving the holding element from the holding postion to the free position in response to closing the position door for automatically resetting the alarm system .