Jura Overheating / Residue Burning

Machine smells of burnt coffee or plastic

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.

Possible Causes

Coffee oils baked onto brew unit or spouts, Plastic parts overheated by steam leak, Electrical component overheating, Foreign object inside machine

How to Fix / Troubleshooting

Safety first: If you smell burning plastic or see smoke, unplug immediately.

Step 1 – Clean coffee path:

Run a cleaning tablet cycle.
Clean the coffee spouts and brew group thoroughly.

Step 2 – Check for leaks:

Inspect around the steam wand and thermoblock for signs of steam or water leaks.

Step 3 – Internal inspection (advanced):

Unplug and remove the housing.
Look for discolored or melted plastic near hot components.
Inspect the control board for burnt components.

Step 4 – Replace damaged parts:

Replace any melted plastic parts, leaking seals, or burnt electronic components.

Repair Difficulty

Hard 4/5

Required Part

Brew Group and Seals

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