Ferroli Sigma 40-60

Lakd · 13 Dec 2006

Hi,
On 2 occassions my Sigma boiler has shutdown with a Red LED light displayed. I went through the start up procedure and everythings fine for a couple of days then it did it again.

Any ideas what the problem could be.
The central heating pipes are a little noisy and I have noticed one odditiy.
1 rad intermittently is providing heat through the day then a few hours clatter it is stone cold. All other rads are fine. I have bled all the rads including the intermitent heated rad.

I have a conventional heating system with a hot water tank. Hot water is fine. When the system switches off for the night the pipes near the vicinity of the pump do clang a lot but I suspect it is because they are not clipped/insulated.

Any advice would be appreciated!

Thanks

Lak

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Ferroli Sigma 40-60

Lakd

DIYnot Local

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