Dishwasher displays F3; unit may overfill or stop with water remaining in the tub.

Safety first: Turn off power and water. Be careful when working around sharp metal edges.

• Inspect float: Inside the tub, locate the water level float (if visible). Ensure it moves freely up and down and is not obstructed by debris or dishes.
• Access pressure sensor: Pull the dishwasher out and remove the bottom panel. Locate the pressure sensor and its small rubber or plastic hose connected to the sump.
• Check hose for blockage: Remove the hose and blow through it to ensure it is clear. Clean any soap scum or debris from the hose and fittings.
• Inspect sensor and wiring: Ensure the sensor connector is secure and wiring is intact. If the sensor shows signs of water intrusion or corrosion, replacement is recommended.
• Test operation: Reassemble, restore power and water, and run a short cycle. If F3 returns, the pressure sensor or control board may be faulty and may require professional diagnosis.