What does the Atag 10 fault code mean?

Your boiler has lost communication with the sensor that measures the temperature outside, which may cause your heating to behave unpredictably.

How much does it cost to fix Atag error code 10?

Typical repair cost for the Atag 10 fault is £90-180 including labour.

Outside sensor error (e.g. open, short circuit, out of range)

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Safety-critical — turn off, read this.

Break-even maths on monthly cover.

7 signs repair isn't worth it anymore.