Low
180 on Atag A200

This is a normal confirmation message that appears briefly when your boiler finishes a standard maintenance test and returns to normal operation.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

No error: shortly visible when leaving chimney sweep function

DIY fix possible

No action is required; the code should disappear on its own within a few seconds.If the code persists, try restarting the boiler using the reset button.Ensure the 'Chimney Sweep' or 'Service' mode hasn't been accidentally left active.

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