Jura Water Level / Flow Detection Issue

Machine frequently asks to 'Fill water tank' even when full

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Possible Causes

Water tank not seated correctly, Faulty tank float or magnet, Dirty tank sensor, Flow meter undercounting due to scale

How to Fix / Troubleshooting

Step 1 – Reseat tank:

  • Remove and reinsert the water tank firmly.
  • Ensure no debris is on the tank base or machine connector.

Step 2 – Check float/magnet:

  • Verify that the float in the tank moves freely.
  • If the magnet is missing or stuck, replace the tank.

Step 3 – Clean sensor area:

  • Clean the area where the tank sits with a damp cloth.

Step 4 – Descale:

  • Run a descaling cycle to clear the flow meter.
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Repair Difficulty

Easy 2/5

Required Part

Water Tank
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