Dishwasher with fault identification
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United States of America Patent
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Sep 20, 2016
Grant Date -
Feb 28, 2013
app pub date -
Mar 21, 2011
filing date -
Apr 14, 2010
priority date (Note) -
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Abstract
A dishwasher includes a control facility for executing a wash cycle for cleaning items held in a wash chamber which is filled with water via a water inlet facility having an inlet valve operably connected to the control facility. To identify malfunction of the water inlet facility, the control facility executes an identification sequence which includes a test filling phase, in which the inlet valve is opened for a period corresponding to a predefined time value. A detection facility detects during operation of a recirculation pump to recirculate water in the wash chamber at least one operating parameter corresponding to a quantity of water in the wash chamber at an end of the test filling phase. The control facility determines a water flow into the wash chamber during the test filling phase from the detected operating parameter and compares the determined water flow with a minimum water flow.
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