Low
105 on Atag Sov.

Your boiler is busy removing air bubbles from the pipes after the water pressure was topped up, and it will return to normal operation in about seven minutes.

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.

What the manual says

Manufacturer manual

De-aeration program will start (if the pressure was below 0.7 bar). This will last for approx 7 mins.

From this model's manual
Verified against the Atag A200sov installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Wait approximately 7 to 10 minutes for the automatic countdown to completeEnsure the blue filling loop taps are fully closedCheck that the water pressure gauge is between 1.0 and 1.5 bar

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