7697A Vial EPC flow shutdown

Hello, Agilent support team

When I power on my Headspace 7697A it's show this message "Vial flow not ready", and after a few minutes it shows an error "vial EPC SHUTDOWN to restore operation press Vial and on", but when I press "Vial" and "on", the problem showing again

I ran the "restriction and pressure decay test" and it fails (the first step gives an error). I did a Sample probe and loop cleanup, but the error persists.

Also when checking the "Vial flow sensor" noticed that the flow is in the negative, it should be?

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