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How to fix fault with my Sime 30HE boiler keeps cutting out?

The boiler runs ok for a couple of days then wont heat the water. Green light flashes, reset the boiler by switching on and off and it works again but sometimes it needs to be switched on and off 2 or 3 times. It is a Sime Format 30HE combi boiler and is 5 years old

October 2012

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Answers - mend, repair, fix

Found the faultfinding in a manual and it showed the fan was faulty. Got a new fan off E-bay and replaced it, ok since

April 2013

Hi Keith,
My SIME boiler is only a few months old and does the same.

The installler has been very helpful but after lots of visits and electricians' checks for power supply issues we are still having to re-light the boiler serveral times a day.

I'll keep you posted if we get to the bottom of it.

October 2012

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Dec 2019

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