2017 climate Master trilogy variable capacity with water heating Homeowners primary concern is blue screen on thermostat indicating low suction pressure with intermittent lockouts approximately once a week recently. Homeowner also States they do not hear water heating reversing valve operation like they used to. No active service codes today however on July 13th service code 2, 97, and 99 all occurred. Today's service call confirmed low pressure on the suction line running out 106. Book specs indicate at 85° water temperature suction pressure should be 125 to 135. Equipment appears to be running at low pressure however a small 8oz refrigerant recharge only increased the head pressure from 325 to 380 while the suction pressure did not move after balancing. Suspect possible expansion valve shutdown or blockage in the system Refrigerant added today was already recovered back out of the system to the original capacity at the beginning of today's visit Inspect climate Master water he