Error 29
Jura Milk Spout Position / Detection Fault

Display shows “Error 29”; machine may not detect the milk spout or cappuccino spout position correctly.

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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

Faulty milk spout sensor, Jammed milk spout mechanism, Broken actuator or linkage, Wiring fault to sensor

How to Fix / Troubleshooting

Safety first: Unplug the machine and allow it to cool before working on the milk spout.

Step 1 – Inspect milk spout:

  • Move the milk spout through its range of motion (if adjustable).
  • Check for dried milk residue causing sticking.

Step 2 – Clean milk spout and mechanism:

  • Disassemble the milk spout according to the manual and clean all parts.
  • Clean the external guides and rails.

Step 3 – Sensor and drive check (advanced):

  • Remove the housing (unplug first).
  • Locate the milk spout sensor and any associated drive motor.
  • Check for broken parts or misalignment.
  • Test the sensor with a multimeter.

Step 4 – Replace faulty parts:

  • Replace the milk spout assembly if it is physically damaged.
  • Replace the sensor or drive motor if they do not function correctly.
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Repair Difficulty

Hard 4/5

Required Part

Milk Spout Assembly
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