Warewasher having a Rack Sensor

A sensor assembly is provided for determining the presence or lack thereof of a removable dishware rack within a chamber of a warewasher. The sensor assembly includes a mounting bracket within the chamber of the warewasher at a location beyond a path of travel of the dishware rack and a pivot arm connected to the mounting bracket. The pivot arm is moveable relative to the mounting bracket between a normal upright position and an angularly deflected position in which the pivot arm is pivoted in an outward direction relative to the path of travel of the rack. A magnet is mounted on the pivot arm and an actuator extends forwardly from the pivot arm within the path of travel of the dishware rack within the chamber when the pivot arm is in the normal upright position. The pivot arm pivots to the deflected position when the dishware rack is properly loaded within the chamber and engages the actuator. A magnetic proximity switch is mounted on the warewasher for sensing the magnet. Accordingly, the magnetic proximity switch is able to determine if the pivot arm is in the normal position or the deflected position thereby enabling the sensor assembly to determine whether or not a removable rack is loaded within the warewasher. A door-type, stationary-rack warewasher having the sensor assembly is also disclosed.