Follow up refrigerant leak search. Ultraviolet dye, running AID tool refrigerant pressure test and performance evaluation No signs or symptoms of any refrigerant loss at this time No service codes pertinent to any refrigerant issues Air filter is in good condition Heating speed 12 temperature rise is 29 at 99.8°f with 70.8° return Color touch screen communicating thermostat displaying "remote sensor error" needs a replacement sensor. The wires have been disconnected and the option has been turned off at the thermostat. Homeowner will continue to trace the wiring and a location for the new sensor that is currently lost over a finished basement drywall ceiling.