C3 - Malfunction of drain level sensor

What does C3 mean?

• Faulty drain level sensor
• Wiring problem
• Sensor obstructed by debris

Click steps to track your progress.

1. 1

   Ensure the drain pan and sensor area are clean and free of obstructions.

2. 2

   Perform a power reset by turning the unit off at the breaker for 60 seconds.

3. 3

   A technician needs to inspect and potentially replace the sensor.