Technivorm Moccamaster Brew Basket Overflow / Drip-Stop Malfunction

Water leaks from around the brew basket area onto the hotplate

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Possible Causes

Brew basket drip-stop valve stuck closed or partially closed, Incorrect grind size causing overflow, Brew basket outlet clogged with coffee grounds, Misaligned or missing carafe lid not opening drip-stop

How to Fix / Troubleshooting

Safety: Turn off and unplug the unit. Hot coffee can cause burns.

  • Check carafe and lid: Ensure the carafe is fully seated and the lid is correctly installed. The lid must press the drip-stop lever under the brew basket to open the flow.
  • Clean the brew basket:
    • Remove the brew basket and discard used grounds.
    • Rinse the basket thoroughly, paying attention to the outlet hole and drip-stop mechanism.
    • Use a small brush or toothpick to clear any coffee residue from the outlet.
  • Test drip-stop: Manually move the drip-stop lever or button. It should move freely and spring back. If it sticks, soak the basket in hot soapy water and clean thoroughly.
  • Adjust grind and dose: Use a medium grind suitable for drip coffee and avoid overfilling the filter with grounds, which can cause overflow.
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Repair Difficulty

Very Easy 1/5

Required Part

Brew Basket with Drip-Stop Valve
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