Low
Err.L on Atag A200

Your boiler is displaying a saved history of the most recent technical faults encountered rather than an active problem that requires an immediate fix.

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

Last saved error until 5 last predecessing errors

DIY fix possible

Press the Reset button once to clear the menu from the displayIf the boiler is working normally, no further action is requiredMonitor the screen to see if a specific error code (like C, E, or 1) appears after resetting

Find a Gas Safe engineer
Search the official register →

Related guides you might find useful