Zwilling
External Leak from Internal Hydraulic Circuit
Water leaks from under the coffee maker onto the countertop 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 silicone hose, Loose hose clamp, Leaking thermoblock connection, Damaged water tank seal
How to Fix / Troubleshooting
Safety: Unplug the machine immediately when a leak is noticed. Dry any spilled water around electrical outlets.
- Check water tank: Remove the tank and inspect for cracks or a damaged bottom seal. Replace the tank if it leaks when filled and held over a sink.
- Inspect tank connection: Look at the tank docking area for damaged O-rings or seals. Replace worn seals.
- Open housing: Remove covers and run a short brew or rinse cycle while observing (use extreme caution around live parts). Identify the exact leak point.
- Repair hoses and fittings: Tighten hose clamps, reseat push-fit connectors, or replace cracked silicone hoses. If the leak is at the thermoblock, replace the affected fitting or the thermoblock if corroded.
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Repair Difficulty
Medium
3/5
Required Part
Silicone Hoses / Water Tank / Thermoblock Fittings
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