Ninja Base Leak / Internal Hose or Seal Failure

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 internal silicone hose, Loose hose clamp on boiler, Failed O-ring at pump or heater connection, Cracked water reservoir or base fitting

How to Fix / Troubleshooting

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

External checks:

  • Remove and inspect the water reservoir for cracks or leaks; fill it over a sink and watch for drips.
  • Check that the reservoir is seated properly and that its bottom valve is not stuck open.

If water is clearly coming from inside the base, internal hoses or seals have likely failed. Do not open the unit unless you are trained; contact a technician for hose and seal inspection and replacement.

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Repair Difficulty

Professional Required 5/5

Required Part

Internal Silicone Hoses / O-Rings
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