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Pump controller system and method

  • US 20080131296A1
  • Filed: 10/31/2007
  • Published: 06/05/2008
  • Est. Priority Date: 12/08/2003
  • Status: Active Grant
First Claim
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1. A method of detecting a pressure sensor failure in a water distribution system, the water distribution system connected to a pump with a motor, the method comprising:

  • detecting a first pressure sensor signal;

    shutting down a drive to the motor if the pressure sensor signal is outside of a sense range;

    attempting to detect a second pressure sensor signal after power has be reapplied to the drive; and

    allowing the drive to remain shut down until a second pressure signal is detected.

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