CodeRegistry
Brands
  1. Home
  2. Jura
  3. J-Series Coffee Machines
  4. Loud grinder noise
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Loud grinder noise

Grinder making a very loud noise — Foreign object detected

Jura · J-Series Coffee Machines

What does Loud grinder noise mean?

The grinder is operating with an unusually loud noise. This typically indicates that foreign objects have inadvertently entered the grinder mechanism.

Common Causes

  • Foreign objects lodged in the grinder

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the JURA machine immediately at the main power switch.

  2. 2

    Unplug the machine from the power outlet to prevent accidental operation.

  3. 3

    Do not attempt to remove foreign objects yourself to avoid damage or injury.

  4. 4

    Contact JURA customer support for professional assistance and service.

Browse all codes in this manual (5)
Verified technical data. Last updated: April 2026

Related Faults

ERROR 2'ERROR 2' displayed — Machine too coldFill water tank'Fill water tank' displayed — Water tank float trappedLittle/no frother outputLittle or no water/steam from cappuccino frother — Blocked connector
Source: Jura J-Series Coffee Machines
Open Manual (Page 43)Search more codes in this manual