Check for no cooling later in the afternoon. Homeowner State system was working but throughout the day yesterday it got hotter on the second floor throughout the day. Aprilaire two stage thermostat was turned off upon arrival today. Initial inspection shows all systems in good order Thermostat test run turned on equipment as expected after the normal short cycle delay and ran as expected producing 51 supply temperature. Ground loop water pressure is at 28 PSI with two PSI pressure drop through the heat exchanger and a one pump FC flow center. Climate master 049 2 stage 4 ton equipment has been intentionally installed and wired at the thermostat and the variable speed blower driver board to run in low capacity heat pump compressor mode only. Y2 is not attached at the thermostat or the control board in the air handler. Test run blower system in fan only and cooling mode and confirm correct CFM No battery level indicators on the thermostat however it appears they may be starting to l