Hello,
Sorry it took so long to respond. I think we might need to speak on the phone to get to the bottom of this. Please call Tech Support at (918) 831-9224. There are a couple of us monitoring the phone calls, but whoever answers the phone should be able to help you with this.
The gauge near the relief valve should read 300 psi when the facer is running, and 900 psi when the facer is not running. The gauge by your manifold will read pressure corresponding to the settings of the valves on the manifold block.
Best regards,
Ben Murphy McElroy University Specialist
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