Cuisinart Brew Basket Overflow or Seal Failure

Water leaks from around the top of the filter basket or lid during brewing.

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Possible Causes

Too much coffee or too fine a grind, Paper filter collapsed or folded, Clogged drip-stop valve, Brew basket not fully closed or seated

How to Fix / Troubleshooting

Safety first: Hot water and coffee can cause burns. Allow the unit to cool before cleaning up spills.

  • Reduce coffee amount: Use the recommended amount of coffee grounds and avoid very fine espresso grinds that restrict flow.
  • Check filter placement: Ensure the paper filter is properly seated and not folded over the edge of the basket.
  • Clean drip-stop: Remove the basket and rinse the drip-stop valve thoroughly. Make sure it moves freely and is not blocked by grounds.
  • Seat the basket and lid: Reinstall the basket fully and close the lid until it clicks or feels firmly shut.
  • Test with water only: Run a cycle with just water to confirm that overflow does not occur. If it only happens with coffee, adjust grind and quantity.
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Repair Difficulty

Very Easy 1/5

Required Part

Filter Basket / Drip-Stop Assembly
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