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19-05-2017, 01:48 PM #1
Old Carrier Aquasnap - intermittent fault code 34.
30RY-060-A0030
Apparently code 34 is either HP not reset or circuit A compressor reverse rotation.
HP had not tripped, reset fault & both comps on circuit A run normally - how does the Pro Dialog determine reverse rotation? There is no phase rotation module, other forums suggest it is 50psi pressure differential within 10 seconds - any additional information or insight greatly appreciated!
HP pressure transducer is in calibration, LP approx 0.4 bar low - could this be failing? All connections look good on transducers & PCB.
Many thanks in advance."I'm anaspeptic, frasmotic, even compunctuous to have caused you such pericombobulation."