Dishwasher with a tank cleaning system

A warewasher having at least one washing system configured as a recirculation loop, wherein the at least one washing system comprises a nozzle system having at least one washing nozzle for spraying washing liquid onto the washware, a washing tank for collecting at least a portion of the sprayed washing liquid, and a washing pump for feeding washing liquid collected in the washing tank to the at least one washing nozzle,

• wherein the warewasher comprises a tank cleaning system associated with the washing tank and having at least one cleaning nozzle arranged in or on the washing tank in such a way that, as needed and/or at the end of a washing shift or a washing day of the warewasher, a cleaning liquid can be sprayed inside the washing tank or can be sprayed into the washing tank via the at least one cleaning nozzle of the tank cleaning system for cleaning the washing tank and/or components accommodated in the washing tank.