Error 27

Jura Cup Platform / Height Sensor Fault

Display shows “Error 27”; machine may not detect the cup platform or height adjustment 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 microswitch or sensor for cup platform, Misaligned or jammed height adjustment mechanism, Broken actuator tab on platform, Wiring fault to sensor

How to Fix / Troubleshooting

Safety first: Unplug the machine before working near moving parts.

Step 1 – Inspect cup platform:

Move the cup platform through its full range of motion.
Check for obstructions, sticky movement, or broken plastic parts.

Step 2 – Clean mechanism:

Clean the rails and guides of the platform with a damp cloth.
Remove any coffee residue or sticky spills.

Step 3 – Sensor check (advanced):

Remove the housing (unplug first).
Locate the platform height sensor or microswitch.
Verify that the platform actuator engages the sensor correctly.
Test the sensor with a multimeter.

Step 4 – Replace faulty parts:

Replace the cup platform if its actuator is broken.
Replace the sensor if it does not change state when actuated.

Repair Difficulty

Medium 3/5

Required Part

Cup Platform Height Sensor

Check Price on Amazon

We may earn a commission from links on this page.