Fault determination test method for systems including an...

Details Fault determination test method for systems including an... Fault determination test method for systems including an...

G - Physics

01

R

324/17

G01R 31/34 (2006.01) G01R 29/16 (2006.01) G01R 31/02 (2006.01)

Patent

CA 2034959

Title FAULT DETERMINATION TEST METHOD FOR SYSTEMS INCLUDING AN ELECTRONIC EXPANSION VALVE AND ELECTRONIC CONTROLLER Inventor Ronald W. Okoren Abstract In a system for refrigeration and air conditioning including a microprocessor based electronic controller and an electronic expansion valve responsive to the controller, a fault determination test method for discovering operational faults in the controller and the valve. The test method further determines whether the failure is due to the valve or the controller to minimize servicing time by providing test results applicable to a logic table which indicates the failed component and the action to be taken by the service technician.

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