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Re: Robinair 34788 Problem
Posted to HVAC Forum on 6/17/2020 1 Reply

You will not be able to do anything, it is in lock out from high pressure due to recovering air. The simplest way to fix is to open the machine, partially unscrew the high side fitting on the internal tank. Let it hiss for a short time to release the air. Try ... Login to read more.

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