ICE MACHINE SAFE MODE FREEZE AND HARVEST CONTROL AND METHOD
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United States of America Patent
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N/A
Issued Date -
Aug 2, 2012
app pub date -
Jan 31, 2012
filing date -
Jan 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A controller continues to operate an ice making machine in a safe mode when a failure of a component is detected. While in the safe mode due to failure of an ice thickness probe, the freeze cycle freeze time is based on an average freeze time of a predetermined number of the most previous freeze cycles prior to the failure. While in the safe mode due to failure of a water level probe, the water valve on time is based on an average water valve on time of a predetermined number of the most previous freeze cycles prior to the failure. If the failure is uncured after a predetermined time, the controller causes the ice making machine to enter a standby mode or disables the ice making machine from making ice.
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