DISHWASHING MACHINE AND METHODS OF CONTROL Russian patent published in 2008 - IPC A47L15/42 

FIELD: household goods and personal effects.

SUBSTANCE: dishwashing machine containing tank for dishwashing, water header located in the lower part of dishwashing tank where water is accumulated during dish washing operations, circulation pump actuated by electrical motor with variable speed per minute, which returns water from water header back to dishwashing tank, discharge pump for water collected in water header and filter preventing contamination penetration into circulation during washing. Dishwashing machine contains control card tracing changes (I) of current consumed by circulation pump from mains and defining consequences such as rotor interlock, pump felt adhesion, filter clogging and increase of water viscosity or foam amount for dish washing.

EFFECT: production of dishwashing machine and associated control method, which traces adverse effects on washing effectiveness using data on current consumed from mains, and is used in troubleshooting in course of machine operation.

6 cl, 8 dwg