Low
A xx on Atag E22c

Your boiler is currently running a brief, automatic maintenance cycle to remove trapped air from the system and does not require any action from you.

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

Automatic de-aeration program is active (wait for 17 minutes).

DIY fix possible

Simply wait for 17 minutesThe display should return to normal operation automatically once the cycle finishesDo not turn off or reset the boiler while this is in progress

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