S.0 — Heating Issue: No Heat Demand (EcoTEC 65kW)

What does S.0 mean?

This status indicates that the EcoTEC 65kW boiler is not currently receiving a demand for heating from your thermostat or controls, but there may be an underlying issue preventing a normal heat demand.

• No heat demand from external controls
• Thermostat setting issue

Click steps to track your progress.

1. 1

   Check your room thermostat to ensure it is set to a temperature higher than the current room temperature.

2. 2

   Verify that your programmer or timer is set correctly for heating to be active.

3. 3

   If the boiler still doesn't respond to a heat demand, try resetting the boiler at the mains.

4. 4

   If the problem persists, contact a qualified heating engineer to check the controls and boiler.