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Boiler Problem - Halstead Ace High?

Postby shaun1970 » Sun Mar 08, 2009 7:27 am

Please advise me, my boiler both heating & water seems to have a mind of its own,, it chooses to come on when it feels like it.
To make it come on i have to switch mains off and on and then and i mean sometimes it lights up and works.
The pressure is fine and remains as 1 bar.
When its working both pump and fan is humming away loverly, then for no reason a few hours later it just stops. Sometimes i can switch off and on and get it back on but most of the time it just needs a day or so to want to have another play

Additional Details
In addition - when i manage to get it to have a go it dosnt always go all the way, eg pump goes for say 20 seconds and stops and the fan dosnt come on at all.

Any idea's

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Simply Build It

Postby Steve the gas » Mon Mar 09, 2009 5:42 am

Hi Shaun,

Could be many things, PCB is where I would start - so get a good RGI
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Postby htg engineer » Mon Mar 09, 2009 4:58 pm

I would start by checking sensors, they could be keeping the boiler off, then as steve says - possibly PCB fault.

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