Prestacycle Prestaflator Pro Digital Inflator: Update

My dream of finding a reliable presta inflator for my air compressor, was not as dead as I originally thought. Thanks to some assistance, and troubleshooting from PrestaCycle, we were able to nail down the issue with my original inflator.
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[@Joshuakoffmansculpture]

Looks like you posted this about a year ago. Do you still recommend this inflator?

[@Mamilian]

Yes. Still going strong.

[@Joshuakoffmansculpture]

Thanks!

[@PatrickTheGreat]

I just got a replacement, and it just flashes 255 psi. The valve lets air in because I can use the release valve to release the air, so I’m not sure why the gauge isn’t putting out a reading. Any ideas? I appreciate any help or advice you can offer.