E270/161 — Dry fire or overheat prevention activated

What does E270/161 mean?

The boiler has activated its dry fire or overheat prevention system, indicating a risk of damage due to lack of water or excessive temperature.

• Faulty temperature sensor.
• Poor water circulation in the heating system.
• Blocked or jammed pump.
• Very low system water pressure.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the boiler, wait 30 seconds, then turn it back on.

2. 2

   Check the system water pressure on the boiler's gauge and re-pressurize if too low.

3. 3

   Ensure all heating system valves are fully open.

4. 4

   If the error persists, a qualified technician should check the temperature sensor, water circulation, and the pump.