Importance

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Abstract

A diagnostic system for a product-dispensing machine includes a plurality of nozzles, a hydraulic pump and a circuit coupled to the nozzles. The circuit includes tubular members, a pump, a screen, and a plurality of first components coupled to the tubular members. The plurality of first components includes a pump motor, a pump pressure transducer, a flowmeter, and a nozzle pressure transducer. The system includes an electronic control unit coupled to the circuit configured to receive inputs associated with a motor of the hydraulic pump and each of the first components and based on a combination of the inputs, determine whether one or a combination of the pump, the pump motor, the hydraulic pump, the hydraulic pump motor, the screen, the flowmeter, the nozzle pressure transducer, or at least a portion of the tubular members is causing values associated with the inputs to have a threshold difference from predetermined values.

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First Claim