!
error Ebeco

Error Code E2

Open circuit in room temperature sensor wiring.

? What Causes This

Disconnection or breakage along the room sensor wiring.

How to Fix It

  1. Inspect and reconnect broken wires if possible.
  2. Replace faulty section and test operation.

Source: page 48 of the official manual

From the manual

Manual page 48 — Ebeco error E2

This error code appears in:

Ebeco EB Therm 500 Floor Heating Thermostat