Low
b5 on Remeha Avanta Plus 28c

Your boiler has temporarily paused because it has reached its target temperature while your heating is still turned on, often caused by poor water circulation through the radiators.

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

Control stop from 3 till 10 minutes: appears if the set flow temperature (t1) has already been reached and the heating demand still exists.

DIY fix possible

Ensure all radiator valves (TRVs) are fully open to allow water to flow.Check that the boiler pressure is between 1.0 and 1.5 bar.Bleed your radiators to remove any trapped air pockets.

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