Patent ID: 8876980
Filing Date: 2014-11-04
Classification: A47L,G05B,Y10T

Abstract:
1. A method for preventing overfilling in a dishwasher, wherein the dishwasher comprises a water valve configured to provide water to the dishwasher and a drain pump configured to remove water from the dishwasher, the method comprising: detecting an overfill condition in the dishwasher with at least one detection device, the overfill condition corresponding to a water level in the dishwasher that is greater than a predetermined threshold; executing a pump-out cycle in response to detecting the overfill condition, wherein the pump-out cycle comprises actuating the drain pump and deactuating the water valve in order to facilitate removal of the overfill condition; determining if the overfill condition has been removed; and executing at least one error routine to diagnose an error in at least one component of the dishwasher in response to determining that the overfill condition has not been removed, wherein the at least one error routine comprises executing a water valve error routine, the water valve error routine comprising: