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Decalcify machine

'Decalcify machine' displayed — Machine requires descaling

Jura · E8/E80 Coffee Machines

What does Decalcify machine mean?

The E8 is prompting you to descale it. Descaling removes limescale deposits that can build up over time, which can affect the machine's performance and the taste of your coffee.

Common Causes

  • Scheduled descaling cycle is due.
  • Limescale buildup detected in the system.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform the descaling program as prompted by the machine.

  2. 2

    Refer to Chapter 5 'Maintenance – Descaling the machine' for detailed instructions.

  3. 3

    Ensure you use JURA descaling tablets for effective limescale removal.

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 incorrectDrip tray not fitted'Drip tray not fitted' displayed — Drip tray is missing or incorrectly inserted
Source: Jura E8/E80 Coffee Machines
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