Patent ID: 8491724

Claim:
A method for operating a dishwasher comprising at least one washing container, a circulating pump which conveys washing liquid to at least one spray device for acting upon items to be cleaned, which are located in the washing container, and comprising a wash program at least composed of partial program steps pre-wash ( 1 ), clean ( 2 ), intermediate rinse ( 3 ), clear rinse ( 4 ) and dry ( 5 ), the method comprising varying a pressure at which the washing liquid is conveyed from the circulating pump to the at least one spray device in order to remove food residues in small quantities by a pre-determined hydraulic abrasion capacity including at least one of spray pressure and spray quantity and carry the food residues away from the dishwasher, thus ensuring that the filter remains functional in a remainder of the wash program; wherein in a first part section of the pre-wash process, the circulating pump is operated at about 30% to 60% of maximum capacity, in a second part section of the pre-wash process it is operated at about 50% to 100% of maximum capacity and in a third part section of the prewash process it is operated at about 30% to 60% of maximum capacity.