80-00 — Returning water temperature sensor problem

• Defective temperature sensor
• Loose sensor wiring
• Corrupted sensor data

Click steps to track your progress.

1. 1

   Inspect the wiring connected to the return water temperature sensor.

2. 2

   Ensure the sensor is properly positioned and not obstructed.

3. 3

   Restart the unit after a power cycle.

4. 4

   Contact support for sensor replacement if needed.