24i junior overheat

1 Oct 2006
Reaction score
United Kingdom
First time i tried central heating in new house. It works ok but the boiler overheat light flashes everytime i turn the heating off, Boiler pressure is ok, radiators get hot. Overheat resets after approx 5 mins. Boiler is Worcester 24i Junior and is less than a year old, hot water works fine.
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You have not made it clear if this is a combi or heat only boiler with a HW tank.

If its a heat only then it sounds as if the pump is wrongly wired and not providing an over run.

If its a combi then thats an odd fault if its on the heating only and the hot water is really OK.

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whats the actual fault then? if the hot waters ok rads ok but a red light flashes after they get hot?

is it not some sort of anti-cycle/overrun indicator?

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