Eversys Coffee Machine Error Code S-063: Milk Detected, Locked

What does Eversys error code S-063 mean?

S-063 is a lock-out on the Eversys Cameo during cleaning. The screen reads "Milk detected during the cleaning, machine is blocked until cleaned with an empty tank." The e'Support table repeats the meaning: milk was found during the cleaning, so the machine is locked until it has been cleaned with an empty milk tank. The principle is that a cleaning needs to run through clear milk lines. If milk is still present while cleaning liquid flows, the control cannot be sure the lines are clean, so it blocks the machine until the cleaning is done properly. The table lists no causes, and its action column holds only a dash. The way out follows from the meaning: empty the milk tank, then clean again. The manual does not explain how milk is detected, and it does not say whether drink orders are blocked completely or only milk drinks, so we do not claim either.

Affected models and control systems

Eversys Cameo range (Cameo/Core, Classic, ST and in-box versions). The message is listed in Eversys' e'Support table of operator stop messages for Cameo, and the table gives no board revision or model limit.

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

• The screen shows the milk detected message
• The machine is blocked
• A cleaning was started with milk still in the tank

Possible causes

Likely causes — what usually sits behind error code S-063 on this control. A technician confirms which one it is before any part is replaced.

• Milk found in the lines during a cleaning, so the cleaning does not count
• Milk container was left connected and not emptied before the cleaning started
• Milk remained in the tube or bladder after the push-back, so detection still sees it
• Residue of old milk in the line reads as milk to the detection during the cleaning

Safe checks before calling for service

How a technician diagnoses error code S-063

1. Confirm S-063 against the Cameo table and ask what was in the tank at cleaning start.
2. Check the milk tubes, bladder and connectors for remaining product.
3. Inspect the milk path for residue or a stuck valve that holds milk back.
4. Run a cleaning with an empty tank and watch whether detection clears.
5. Test the milk detection only if the message returns on a clean, empty system.

Technical reference

Document

Operator stop messages for Cameo (S-XXX)

Models / control

Eversys Cameo range (Cameo/Core, Classic, ST, in-box), e'Support article

Section

Web page table of S-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.