What does the Atag 181 fault code mean?

This code is not an error; it simply confirms that your boiler has finished its setup or testing mode and is returning to normal operation.

How much does it cost to fix Atag error code 181?

Cost varies. Contact a Gas Safe registered engineer for a quote.

No error: shortly visible when leaving commissioning mode

No action is requiredWait for the boiler to return to its normal displayEnsure the boiler is heating your water as expected

Safety-critical — turn off, read this.

Break-even maths on monthly cover.

7 signs repair isn't worth it anymore.