Water filter · De’Longhi Eletta Explore
De’Longhi Eletta Explore: “Replace water filter. Press OK to start”
The water softener filter is spent.
- Which light
- Icon on the display screen
- Colour
- Colour not named by the maker
- Steady or flashing
- Steady
What De’Longhi says to do
- Press OK to replace or remove the filter, or Cancel to do it later, and follow section 18 of the manual.
From Bean to cup espresso and cappuccino machine — Instructions for Use ECAM45X.5Y - 45X.7Y (Eletta Explore): 16 Descaling, 18 Water softener filter, 20 Displayed messages. This is the Eletta Explore’s pattern; another De’Longhi machine may use the same light for something else — check the manual for your model.
Other De’Longhi Eletta Explore lights
Water filter 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 De’Longhi’s own documents, read on the date shown. Nothing is taken from third-party manual sites.
- De’Longhi: Bean to cup espresso and cappuccino machine — Instructions for Use ECAM45X.5Y - 45X.7Y (Eletta Explore): 16 Descaling, 18 Water softener filter, 20 Displayed messages — Eletta Explore ECAM450.55.S and the other ECAM45X.5Y/7Y models. library.delonghigroup.com Checked 2026-09-29.