Dishwasher drain pump runs continuously even when there is no water inside.

Safety first: Disconnect power before tilting or opening the base.

• 1. Listen for pump: If the drain pump runs as soon as power is applied, the flood protection system is likely active.
• 2. Check for leaks: Pull out the dishwasher and tilt it slightly backward to see if water drains from the base. Mop up any water.
• 3. Inspect float switch: Remove the base cover and ensure the float moves freely and is not stuck by grease or debris. Clean as needed.
• 4. Wiring check: Ensure the float switch connector is secure and wires are intact.
• 5. Test: After drying and cleaning, restore power and run a short cycle. If the pump still runs continuously, the float switch or control board may be faulty and require replacement.