Hi all,

Problems!! We had the power off earlier to fix a wall light problme (see
earlier post!). Now the bloody central heating doesn't work.

We have a Bosch highflow 400 combi. The whole thing lights up ok, and I can
hear encouraging noises (like the sound of wter etc etc) coming from it but
there is no hot water or central heating. If I touch the pump I can feel
that it is working and the "demand" light is on.

I guess (probably wrongly) that the pilot light has gone out. I folled the
instructions and turned it of at the mains, turned it back on again, turned
it all to high, and the pilot should have lit. You cant see the pilot so
there is no way to see if it worked.

Given that the water and the CH have packed up, i'm guessing that it is
something gas related rather than a mechanical (diverter etc) problem.

Can anyone wiser than me shed any light??

Pass the blanket.....

Mike

I guess (probably wrongly) that the pilot light has gone out. I folled the
instructions and turned it of at the mains, turned it back on again, turned
it all to high, and the pilot should have lit. You cant see the pilot so
there is no way to see if it worked.


You really have no way of observing the pilot light? no push button to create
the spark to light it? - Never seem a system like that before - I'll leave this
to the experts!

"Wdyw" wrote in message
...
I guess (probably wrongly) that the pilot light has gone out. I folled
the
instructions and turned it of at the mains, turned it back on again,
turned
it all to high, and the pilot should have lit. You cant see the pilot so
there is no way to see if it worked.


You really have no way of observing the pilot light? no push button to
create
the spark to light it? - Never seem a system like that before - I'll leave
this
to the experts!

No, unfortunately not, it even states in the manual that you cannot see the
pilot light on the "fanned" model, but can on the "open & balanced flue"
versions.

"Mike Hibbert" wrote in message
news
Hi all,

Problems!! We had the power off earlier to fix a wall light problme (see
earlier post!). Now the bloody central heating doesn't work.

We have a Bosch highflow 400 combi. The whole thing lights up ok, and I
can
hear encouraging noises (like the sound of wter etc etc) coming from it
but
there is no hot water or central heating. If I touch the pump I can feel
that it is working and the "demand" light is on.

I guess (probably wrongly) that the pilot light has gone out. I folled the
instructions and turned it of at the mains, turned it back on again,
turned
it all to high, and the pilot should have lit. You cant see the pilot so
there is no way to see if it worked.

Given that the water and the CH have packed up, i'm guessing that it is
something gas related rather than a mechanical (diverter etc) problem.

Can anyone wiser than me shed any light??

Pass the blanket.....

Mike


Doh!!! RTFM Hibbert, I just found in the manual that in the event of a
power failure while the boiler is firing then the automatic cut off may need
resetting. It did!

thanks anyway, but all sorted now...

Mike

You really have no way of observing the pilot light? no push button to
create the spark to light it? - Never seem a system like that before

You'll find that this is very common (i.e. almost universal) on recent
boilers.

Christian.