Eversys Coffee Machine Error Code W-098: Powder Mixer Missing
W-098 means the powder mixer of the powder unit is missing. Put the powder mixer back, as the maker says.
Low: usually a refit; only powder drinks are held until the mixer is back.
- Code
- W-098
- Maker
- Eversys
- Equipment
- Super-automatic coffee
- Applies to
- Eversys Cameo range (Cameo/Core, Classic, ST, in-box), e'Support article
What does Eversys error code W-098 mean?
The powder unit on a Cameo blends powder and water in a removable mixer that has to be in place before a powder drink can start. The control checks that the mixer is there, and if it is not, it shows "The powder mixer of the powder unit is missing." as W-098. The maker's table gives one action: put back the powder mixer. The message is common after the unit has been taken apart for cleaning and put back together without the mixer. The table does not list any other cause. It is a good first stop for an operator because replacing the mixer needs no tools, once the machine is switched off. If the mixer is fitted and the message stays, a technician would have to check the detection.
Affected models and control systems
Eversys Cameo range (Cameo/Core, Classic, ST and in-box versions), as covered by the maker's e'Support table of W-number warning messages.
Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.
What you may notice
- W-098 when a powder drink is chosen
- The mixer is out of the unit or sitting loose
- The powder drink does not start
Possible causes
Likely causes — what usually sits behind error code W-098 on this control. A technician confirms which one it is before any part is replaced.
- The powder mixer is not in the powder unit
- The mixer was removed for cleaning and not refitted
- The mixer is fitted but not seated fully, so it reads as missing
- A mixer detection input that has failed
Safe checks before calling for service
- Switch the machine off before touching the powder unit.
- Check that the mixer is in the unit and seated fully.
- Refit it as shown in the maker's cleaning instructions and switch on.
- If it stays with the mixer fitted, note it for the technician.
How a technician diagnoses error code W-098
- Confirm the mixer is fitted correctly and the seal is intact.
- Check the mixer presence input on the control board.
- Look for a bent contact or magnet that signals the mixer is present.
- Replace the detection part after testing.
- Testing the presence input needs the machine opened and live.
- A mixer that will not seat can point at a damaged housing, which needs a technician.
How error code W-098 differs from similar codes
W-094 describes a mixer motor that does not turn; W-098 describes a mixer that is not there.
Technical reference
- Document
- Operator warning messages for Cameo (W-XXX)
- Models / control
- Eversys Cameo range (Cameo/Core, Classic, ST, in-box), e'Support article
- Section
- Web page table of W-numbers, Infos messages and Explanations / Remedies (no page numbers)
- Checked
- October 2026
We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.
Related Eversys super-automatic coffee error codes
Where does the mixer go?
Into the powder unit. The table says to put it back and nothing more.
It's fitted but W-098 shows. Why?
It may not be seated fully, or its detection may have failed.
Can I serve other drinks?
Coffee-only drinks do not use the powder mixer, so they should work.
Need help with Eversys error code W-098?
A technician confirms the cause on site and gives you the price in writing before any work starts.