Sunbeam Internal Water Leak

Coffee maker leaks water from the bottom of the unit during or after brewing.

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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

Cracked water reservoir, Loose or split silicone hose, Failed boiler or heater tube seal, Overfilled reservoir causing overflow

How to Fix / Troubleshooting

Safety first: Unplug the coffee maker immediately if you see water leaking, and keep it away from the outlet to avoid electric shock. Allow it to cool before inspection.

  • 1. Check reservoir and external parts
    • Remove the reservoir and inspect for cracks or damage.
    • Fill it over a sink to see if it leaks on its own.
  • 2. Avoid overfilling
    • Ensure you are not filling above the MAX line, which can cause overflow through vents.
  • 3. Inspect internal hoses (advanced)
    • Unplug and remove the bottom cover.
    • Look for wet areas, mineral trails, or loose hose clamps.
    • Tighten clamps and replace any cracked or swollen silicone hoses.
  • 4. Check boiler and heater seals
    • Inspect the connections where hoses attach to the boiler or heating element.
    • If seals are degraded or the boiler is cracked, replace the boiler/heater assembly.
  • 5. Dry thoroughly before reuse
    • After repairs, allow the interior to dry completely before reassembling and plugging in.
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Repair Difficulty

Hard 4/5

Required Part

Silicone Water Hoses and Boiler Assembly
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