Chefman Internal Leak / Tubing or Reservoir Seal Failure

Coffee maker leaks water from under 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 cracked silicone tubing inside, Failed O-ring at reservoir outlet, Leaking heating block connection

How to Fix / Troubleshooting

Safety first: Unplug the coffee maker immediately and do not operate it while leaking. Water near electrical components is hazardous.

User checks:

  • Remove the reservoir, fill it over a sink, and check for cracks or leaks from the reservoir itself.
  • Inspect the reservoir outlet valve and O-ring for damage or debris; clean and reseat.
  • Wipe the base dry and run a small brew cycle while observing carefully. If water appears from inside the housing, stop the cycle.

Internal leaks from tubing or the heating block require opening the unit and replacing the affected silicone hoses, O-rings, or heating block. This is best done by a technician.

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Repair Difficulty

Hard 4/5

Required Part

Water Reservoir O-Ring
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