CPC F04D 15/0218 (2013.01) [F04D 13/086 (2013.01)] | 20 Claims |
1. A computer-implemented method for maintaining a sump pump by reducing exposure of an impeller of the sump pump to standing water in a sump basin, the method comprising:
activating a sump pump a first time;
deactivating the sump pump when a first current water level in a sump basin in which the sump pump is disposed reaches a first low-water mark;
determining, by one or more processors, a time since a last activation of the sump pump, wherein the last activation occurred when the sump pump activated the first time; and
when the time satisfies a threshold,
activating, by one or more processors, the sump pump a second time and reducing a water level in the sump basin to a level below a bottom of an impeller,
determining, by one or more processors, a second current water level in the sump basin, including sensing the water level with a sensor positioned at the sump basin, and
in response to determining that the second current water level in the sump basin is below a second low-water mark corresponding to the bottom of the impeller, deactivating, by one or more processors, the sump pump, wherein the second low-water mark is below the first low-water mark.
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