Error 110 - Safety Thermostat Activated

What does 110 mean?

This error code indicates that a safety thermostat has operated, likely due to the boiler overheating. The boiler's display will show the spanner symbol and the numeric error code, signifying a safety shutdown.

• Overheating of the boiler
• Insufficient water circulation (e.g., pump issue or blockage)
• Faulty safety thermostat or control board

Click steps to track your progress.

1. 1

   Press the 'R' (reset) button firmly for several seconds to attempt to clear the fault.

2. 2

   Ensure all radiator valves are open and there are no closed isolation valves in the system.

3. 3

   If the fault code reappears, contact your installer or the Baxi service division ('heateam') for assistance to prevent further overheating.