Name two house for AC thermostat having issues customer stated they can mess with the pull it off and put it back on a few times and then it'll work but they had already replaced and got a new thermostat and it still doing the same issues but if they move it to the upstairs unit that thermostat works perfectly but moving it to the downstairs unit it says that y1 and W1 are having an issue saying that the heating and cooling wires are missing but electrically wise panel and wires going to system looks great no issues Customer stated that they are available for tomorrow morning to have AC tech come out