Descale needed · JURA A1
JURA A1: Descaling symbol lights up (machine otherwise ready)
The machine is asking to be descaled.
- Which light
- Descale light or symbol
- Colour
- Colour not named by the maker
- Steady or flashing
- Steady
What JURA says to do
- Descale the machine as in the manual’s ‘Maintenance – Descaling the machine’ section.
From Instructions for use for A1 — 6 Messages on symbol display, 7 Troubleshooting. This is the A1’s pattern; another JURA machine may use the same light for something else — check the manual for your model.
Other JURA A1 lights
Descale needed on other machines
The same need shows up as a different light on each machine — which is why a light cannot be read without the machine.
Sources
Every line on this page comes from JURA’s own documents, read on the date shown. Nothing is taken from third-party manual sites.
- JURA: Instructions for use for A1 — 6 Messages on symbol display, 7 Troubleshooting — A1, North American edition. us.jura.com Checked 2026-09-29.