JURA E8 (ED) how to descale the water tank
From time to time, when limescale forms in the tank.
You need
- 3 JURA descaling tablets
Steps
- Remove the water tank and take out the CLARIS Smart+ filter if fitted.
- Fill the tank completely and dissolve 3 JURA descaling tablets in it.
- Leave it for several hours, for example overnight.
- Empty and rinse the tank thoroughly, refit the filter, fill with fresh cold water and refit the tank.
Source: 7 Maintenance: Descaling the water tank Source: 7 Maintenance: Descaling the water tank, p. 21
Other E8 (ED) procedures
- How to descale the E8When ‘Descaling’ appears in the Cockpit. Takes about 20 minutes; do not interrupt it.
- How to insert or change the CLARIS Smart+ filterWhen the filter symbol lights red or ‘Filter’ shows in the Cockpit.
- How to run the cleaning programmeWhen ‘Cleaning’ appears in the Cockpit (after 180 preparations or 80 switch-on rinses). Takes about 20 minutes; do not interrupt it.
- How to clean the milk systemDaily when milk has been prepared, or when ‘Milk system cleaning’ appears.
- How to dismantle and rinse the fine foam frotherAbout once a week, and when foam is poor or milk sprays.
Sources
- Instructions for Use, E8 (ED/SD/INTD) (English). JURA Elektroapparate AG. Document E8(D)/en, revision 20250918_BA-Online, 2025-09-18, 25 pages, en. jura.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.