Low
Err.L on Atag Q 25S

Your boiler is displaying a stored memory of a previous fault rather than a current problem, though it suggests the unit has encountered an issue recently.

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

Last saved error until 5 last predecessing errors

Engineer required

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

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