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PostPosted: Wed Nov 21, 2012 8:58 pm 
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I've found that the CH and DHW are not working. The control panel appears to be
on, time correct,all lights on etc, but the control is not sending any info to the boiler.

Checking with a volt meter, there's no 240v going to the boiler.
I connected the boiler direct to 240v and it fires up,heats DHW and also heats CH but pump not
circulating the water. I can feel heat in the CH pipes but not in the rads.

Is there anything else,apart from the panel,which could cause this?

Nigel


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PostPosted: Wed Nov 21, 2012 9:18 pm 
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Hi Nigel
I asume that this a wall mounted programmer, and not part of the boiler. You may have a system controlled by a motorised valve, or valves. If so the boiler and pump are switched by the valves, the programmer simply opens the valve.


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PostPosted: Wed Nov 21, 2012 9:24 pm 
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you probable have 240 tot eh boiler as a permanent live the boiler is not receiving a switch live

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"LordCross is ALLWAYS correct, even when he is wrong"



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PostPosted: Wed Nov 21, 2012 9:37 pm 
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JohnKay wrote:
Hi Nigel
I asume that this a wall mounted programmer, and not part of the boiler. You may have a system controlled by a motorised valve, or valves. If so the boiler and pump are switched by the valves, the programmer simply opens the valve.


Yes John, it's wall mounted, and I think I have a motor valve in the boiler cupboard near the CH pump.
Yes LC, the boiler is not receiving a live.

So, if the motor valve/s are not responding to the signal from the programmer will the boiler
not get the live 'fire-up' instruction by default?


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PostPosted: Wed Nov 21, 2012 9:50 pm 
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Hi again,
The boiler and pump will not work if the valve is not open. What valve is it, has it got a little lever on one end, has it two or three pipes coming from it?



For this message the author JohnKay has received gratitude : Nigel 206
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PostPosted: Wed Nov 21, 2012 10:02 pm 
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John, the valve has a lever at the base, but don't know the pipe work.
[ i'm out all week,home Friday]

You've given me some help here, thanks. I'll post again at the weekend.

Gas man said he'd be there tonight, but didn't pitch.


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PostPosted: Thu Nov 22, 2012 6:29 pm 
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Update sooner than I thought....

Gas man cancelled another apmt to get to my place this afternoon...[luckily I had a
plasterer in at the time]

He quickly found that,indeed, it was the 3 port valve that was sticking.
He gave it a few taps and the system is now working. He's suggested we leave it in place
for now and see how it goes,as we've previously discussed giving the whole system
a re-vamp.

He's now guaranteed future business from me as he travelled 40 mins and won't charge.
Top man.

Thanks for you guys John and LordCross imputs, much appreciated.


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PostPosted: Mon Nov 26, 2012 9:15 pm 
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The CH wasn't working upon my return on Friday night....

The gas man said it was working when he departed on Thursday, but when my partner got home
she said the rads were all cold.

Gas man suggested I moved the lever on the 3 port valve over to it's detent position, far right.
That got the system running, however it still won't run on the programmer.
My temporary 240v connection to the boiler [from a 13amp socket] has to be plugged in to make it work.

I don't believe there could be 2 faults that occured at the same time, so any further ideas?

He'll have to return I think.


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PostPosted: Tue Nov 27, 2012 10:09 am 
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I often find there are two faults!

Many people dont call me until everything stops working.

Sine 18 boilers are the prime example and often have 3-4 faults by the time that I am called.

Tony


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PostPosted: Tue Nov 27, 2012 6:08 pm 
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Problem is, a few taps are not going to repair anything, if the valve is faulty, it will have to be replaced, or have a new moter fitted in it. Get Him back.


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