S.2 — Pump Flow Error (EcoTEC 65kW)

What does S.2 mean?

This code signifies an issue with the flow of water being circulated by the EcoTEC 65kW boiler's pump, indicating it might not be moving water correctly through the system.

• Pump malfunction
• Blockage in the system
• Airlock in the pump

Click steps to track your progress.

1. 1

   Check your boiler's pressure gauge and ensure it is within the recommended operating range (e.g., 1-1.5 bar).

2. 2

   Bleed your radiators to remove any trapped air that could be affecting pump flow.

3. 3

   Perform a boiler reset by cycling the power off and on at the mains.

4. 4

   If the problem persists, contact a qualified heating engineer to inspect the pump and system for blockages.