Low
A xx on Atag E Range

Your boiler has started an automatic 17-minute process to remove trapped air from the system, during which it will temporarily pause 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

Automatic venting program starts, takes 17 minutes

Engineer required

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

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