F28 — Flow sensor malfunction

What does F28 mean?

The flow sensor, which measures the volume of water entering the machine, is reporting an impossible value. This indicates a problem with the sensor itself or its measurement.

• Flow sensor malfunction
• Blockage or turbulence in the flow sensor or related tubes

Click steps to track your progress.

1. 1

   Check the flow sensor for proper function and clean if necessary.

2. 2

   Ensure there are no obstructions in the tubes connected to the flow sensor.

3. 3

   Inspect the wiring to the flow sensor.