Eversys Automatic Coffee Machine Error Code E-102: Steam Boiler Empty

What does Eversys error code E-102 mean?

When an Eversys machine needs to empty its steam boiler, for example during a drain step, it waits for the level sensing to report that the boiler is empty. The control allows a set time for this. If the time runs out and the boiler still does not read empty, the machine displays Steam Boiler Empty Timeout, code E-102. It is a message about the water level reading in the steam boiler, so the first checks are the water supply and the level sensing. The maker's list covers the water supply to the machine and the tap position, the steam boiler level probe and its wiring, the drain or emptying path of the steam boiler, and scale that can coat a level probe. A probe coated with scale can keep reading wet when the boiler is empty, and a blocked emptying path can really hold the water in. Staff may lose steam and hot water, while coffee drinks may carry on. The tap check is first because it is easy and it costs nothing, and the filter reminder is worth a mention since an overdue filter lets scale form. Steam is dangerous, so if the message returns, keep clear and call us.

Affected models and control systems

Eversys Cameo, Enigma and Shotmaster machines, as listed in the maker's E-xxx operator error 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

• E-102 shows on the display
• Steam and hot water are unavailable
• Coffee drinks may still work
• The message returns after a restart

Possible causes

Listed in Eversys's documentation

• Water tap not fully open
• Failed steam boiler level probe or wiring
• Blocked emptying path of the steam boiler
• Scale coating the level probe

Other likely causes — what usually sits behind error code E-102 on this control. A technician confirms which one it is before any part is replaced.

• A probe tip crusted with scale in a hard-water area so it reads wet when the boiler is empty
• A drain path partly blocked by loose scale flakes

Safe checks before calling for service

How a technician diagnoses error code E-102

1. Confirm E-102 and watch the steam boiler emptying step.
2. Check the water supply and the filter condition.
3. Test the steam boiler level probe signal against the real level.
4. Check the wiring from the probe to the board.
5. Inspect the emptying path for blockage and descale as needed.
6. Replace the part that tests bad and run steam and hot water tests.

How error code E-102 differs from similar codes

E-103 is the opposite timing problem: the steam boiler took too long to fill; E-102 is about it not reading empty.

Technical reference

Document

Eversys eSupport: Operator error messages for Cameo (E-XXX)

Models / control

Cameo and Enigma / Shotmaster (E-xxx error messages)

Section

Web page table of E-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.