Nescafé Dolce Gusto Static leak from tank or inlet

Machine leaks from the back or side when not in use

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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 tank, Damaged tank valve seal, Leaking inlet connector O-ring, Hairline crack in housing around tank area

How to Fix / Troubleshooting

Safety: Unplug the machine and remove it from power if any leak is observed.

  • Check tank for cracks: Fill the tank and place it on a dry surface away from the machine. If it leaks, replace the tank.
  • Inspect tank valve: Look for damage or debris around the valve. Clean gently and test again.
  • Observe inlet area: With the tank installed, check for slow seepage around the inlet. If present, an internal seal is likely failing.

Persistent leaks from the back or side require opening the machine and replacing seals or connectors.

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Repair Difficulty

Hard 4/5

Required Part

Water Tank Assembly
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