Trane thermostat is set to shut off at 75 degrees. The inside temp is 75 but the air keeps running. Why is the thermostat not shutting it down

March 2021 1 7 Report

Trane thermostat is set to shut off at 75 degrees. The inside temp is 75 but the air keeps running. Why is the thermostat not shutting it down

Heating & Cooling - Ruud

It may be out of calibration and is not that precise turn it up to 77 see if it shuts off. if not relay or contactor issue.