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International Automotive Technicians Network
Re: Robinair AC690PRO Fault code of 'HIGH PRESSURE'
Posted to HVAC Forum on 2/9/2020

I agree Eric. This issue could be as simple as it seems. A gauge connected to the tank will tell all and if it reads higher than E.G. ~ 70 psi @ 70f, he will have identified that the machine is correctly recognizing the high pressure condition.

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