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Re: Robinair 34700z a/c machine
Posted to HVAC Forum on 6/23/2019 7 Replies

You need to recalibrate the transducer. Go to menu, change default settings, enter 5454 to enter the service mode, calibrate transducer, unscrew the low hose from the machine, start. It will return the service menu. Press stop, it will return to the main menu.... Login to read more.

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