What does S.7 mean?

This error indicates that the EcoTEC 65kW boiler's pump is running for an extended or unexpected period after the burner has shut down in heating mode.

• Pump malfunction
• Control system error

Click steps to track your progress.

1. 1

   Perform a boiler reset by switching the main power off and then on.

2. 2

   Ensure the system pressure is adequate and there are no airlocks.

3. 3

   If the pump continues to overrun, contact a qualified heating engineer to inspect the pump and controls.