i30
Frigidaire Leak Detection / Overflow Pan Float Activated

Dishwasher displays i30 and may continuously run the drain pump even with the door open; possible water under the unit.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Leak from sump or tub gasket, Loose or cracked drain hose, Leaking water inlet valve or circulation pump, Over-sudsing from non-dishwasher detergent

How to Fix / Troubleshooting

Safety First: Disconnect power at the breaker and turn off water. Be prepared for water spillage when tilting the unit.

  • 1. Confirm leak condition: Carefully pull the dishwasher forward. Gently tilt it backward about 30–45 degrees and see if water drains from the bottom pan. Mop up any water and allow the base to dry completely.
  • 2. Inspect bottom pan and float switch: Remove the lower access panel. Check the leak tray for water and verify the float switch moves freely and is not stuck in the up position.
  • 3. Run a short test with panels off: With the unit level again, restore power and water. Run a quick cycle while observing underneath with a flashlight. Look for drips from the sump seal, circulation pump, drain pump, inlet valve, and hoses.
  • 4. Check door gasket and corner leaks: Inspect the door gasket for tears, flattening, or debris. Clean the gasket and door mating surface. Replace the gasket if damaged.
  • 5. Verify detergent use: Ensure only dishwasher detergent is used and that you are not using excessive pods or liquid, which can cause oversudsing and leaks.

Once the leak source is identified, replace the faulty component (hose, pump, sump seal, or valve). If no obvious leak is found, contact a technician to perform a pressure test and inspect the tub for hairline cracks.

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Repair Difficulty

Hard 4/5

Required Part

Sump and Seal Kit
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