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Loud grinder noise

Grinder making very loud noise — Foreign objects in the grinder

Jura · E8/E80 Coffee Machines

What does Loud grinder noise mean?

The coffee grinder is producing an unusually loud noise during operation. This often indicates that foreign objects have entered the grinder mechanism.

Common Causes

  • Foreign objects (e.g., small stones, metal pieces) are present in the grinder.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Switch the E8 off immediately using the On/Off button.

  2. 2

    Carefully inspect the bean container for any visible foreign objects and remove them.

  3. 3

    If the loud noise persists or you cannot identify any foreign objects, contact JURA customer support for assistance.

Browse all codes in this manual (15)
Verified technical data. Last updated: April 2026

Related Faults

Clean machine'Clean machine' displayed — Machine requires cleaningCoffee in dripsCoffee only comes out in drips — Coffee is ground too finely or water hardness is incorrectDecalcify machine'Decalcify machine' displayed — Machine requires descaling
Source: Jura E8/E80 Coffee Machines
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