Error 28

Jura Coffee Spout Position Sensor Fault

Display shows “Error 28”; machine may not detect the coffee spout position correctly.

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

Faulty spout position microswitch or encoder, Jammed spout height adjustment, Broken spout drive mechanism, Wiring fault to sensor

How to Fix / Troubleshooting

Safety first: Unplug the machine before working on the spout mechanism.

Step 1 – Check spout movement:

Manually move the coffee spout (if user-adjustable) up and down.
Ensure it is not jammed by dried coffee or foreign objects.

Step 2 – Clean spout guides:

Clean the spout rails and guides with a damp cloth.
Remove any sticky residue.

Step 3 – Advanced sensor and drive check:

Remove the housing (unplug first).
Locate the spout drive motor and position sensor.
Check for broken gears or misalignment.
Test the sensor for proper operation.

Step 4 – Replace faulty parts:

Replace damaged gears or the spout drive motor if they do not move the spout.
Replace the position sensor if it fails to detect spout position.

Repair Difficulty

Hard 4/5

Required Part

Coffee Spout Drive Assembly

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