NO SENSOR DATA — Sensor failure or communication loss

What does NO_SENSOR_DATA mean?

The system is not receiving data from a temperature sensor. This could be due to a failed sensor or a communication problem between the sensor and the control unit.

• Failed temperature sensor
• Loose or damaged sensor wiring
• Communication issue with the control unit
• Faulty smart sensor

Click steps to track your progress.

1. 1

   Check the wiring connection of the affected sensor.

2. 2

   Ensure the sensor is properly seated.

3. 3

   If using a remote sensor, verify its connection to the User Interface or Damper Control Module.

4. 4

   Contact an HVAC technician if the sensor appears faulty.