Follow each step carefully.
Press the power button to turn off the system before starting the inspection.
Locate the duct condensing temperature sensor, typically found within the ductwork.
Inspect the sensor's wiring for any visible damage or loose connections.
Use a multimeter to check the resistance of the sensor. Replace it if the reading is not within the acceptable range.
Disconnect the wiring and carefully remove the sensor from its position.
Place the new duct condensing temperature sensor in position and secure it.
Attach the wiring harness back to the new sensor.
Ensure that all ductwork is properly sealed and secured.
Press the power button to turn the system back on and verify its functionality.