External sensor fault — An external sensor is malfunctioning

What does External sensor fault mean?

This fault indicates an issue with an external sensor connected to the pump, such as a temperature, pressure, or flow sensor. The pump relies on this sensor for specific control modes.

• Loose or damaged sensor wiring.
• Faulty external sensor.
• Incorrect sensor type or calibration.
• Communication issue with the external sensor.

Click steps to track your progress.

1. 1

   Check the wiring connection between the external sensor and the pump; ensure it is secure and undamaged.

2. 2

   Verify the external sensor is correctly installed and positioned according to its instructions.

3. 3

   Check the pump's settings in the menu or app to ensure the correct external sensor type is selected and calibrated.

4. 4

   If possible, test the external sensor or replace it with a known working unit to isolate the problem.