Low
312 on Baxi 624 Combi

Your boiler is currently running a programmed safety cycle to remove air bubbles from the system, which is a normal process and will stop automatically in about 7 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 is taking place (approximately 7 minutes).

From this model's manual
Verified against the Baxi 624 Combi 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 7 to 10 minutes for the automatic process to completeEnsure your radiator valves are open to help move the airMonitor the boiler display to see if it returns to normal operation once the timer finishes

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