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FieldVue Calibration Fail using Valve Link

On a FieldVue 620Air to open valve controller and using Valve Link the Auto Travel Calibration goes through the complete process and finds and identifies the low and high points.  Then it gives a Calibration Fail for missing supply pressure which is there?

This just started last month.  I am using Hart 475 Field Communicator Ver: 3.8

1 Reply

  • Steve, please check your high supply alert point it needs to be more than the supply pressure you have available. The default value for it is 150psi. If you need more help send me a private mail, my address is