Trianco 15/19 oil boiler

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27 Jan 2004
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Hi
Any ideas please,
the burner cuts out after a few seconds then when you reset it, it fires ok?

It has been serviced, new nozzle, smoke no:0-1, pump pressure to spec.

Thanks

Brian
 
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Hi Brian, Just looking at my fault finding notes. Flame established but extinguishes. Control goes to lockout.
1. Photocell dirty. 2. Defective Control box. 3. Air in oil line or pump.
Does that help?
:rolleyes: :rolleyes: :rolleyes:
 
Yes thanks Mandate I was thinking control box but I will check the photo cell first.

thanks for your help
Gents
 
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Who's burner? I spent embarrassingly long the other day fixing a dead boiler that unfortunately worked when I arrived (bu gger). It was a Centrajet with a Minor 1 burner that had to have the oilpipes disconnected EVERY time you take the burner out.
I replaced cracked electrodes (porcelain) with those poo brown ones. The spark was very weak. Ah! thought I, the transformer may be the worse for wear, so I cobbled a new one into circuit. Wasn't that. Put grotty electrodes back in and spark was ok. Could be solenoid as oil wasnt coming through. Tested that worked fine. Took front cover off and tried running motor and operating solenoid without the spark. (With customer watching with interest). Oil came through. Put control box back in, no oil. Tried new control box, no oil.

Changed photocell. AARRRGGGGGHHHHHHHH! blo ody thing worked.

(Of course your problem might be something different.)
 
Well Oilman I will let you know how good my day was when I get round there to look at it.

Hopefully it will be better than yours :D
 
Oh dear

Nothing wrong with it when I get there (as usual)

tested everything I could test even tested the tester as a good oftec man should :D .

I am going to pressure test the oil line in day light.

Hopefully theres a bloody great hole in it, at least then the problem has been found.
 
Let's have some more detail.

Which burner?

Flue type?

Wall or floor mount?

How did you test photocell? (DETAILS!!)

More details of symptoms.
 
Its a Sterling Burner

From cold it will fire for 20 seconds then lock out, when its reset its fine and runs all day.

run a test on the control box removed it and the photo cell plugged it back in with photo cell out, started it. the burner purged for about 10 seconds then went to lock out (as per Trianco technical)

cleaned photo cell and operated it manually it worked as it should.

Its a conventional flue.

Floor standing boiler with high level tank on a single pipe system,

Any Ideas?
 
from your description, i would check electrodes for cracking on porcelain (if it is porcelain on a sterling, cant remember,) and also check gap.
failing that change the ebi transformer. .
 
wilhelm said:
from your description, i would check electrodes for cracking on porcelain (if it is porcelain on a sterling, cant remember,) and also check gap.

failing that change the ebi transformer. .

Seems unlikely faults, as the thing runs for 20 secs, so it has lit. It's a surprise with a Sterling. One fault I've found more than once involved the photocell. You need to measure the light and dark resistance and compare it with a new one. Do it in the same place so the light level is the same. It may be marginal, but once the temperature has changed a bit it could work. The only thing left is the control box, UNLESS it's in the fuel line. Before it's started in the morning put one of HRM's flexies on so you can see the air.
 
ive had a few odd snags, and the only thing left is.....the ebi. and its cured it.


and more importantly........its easy to change :p
 
Thanks I am going back next week and will keep you posted

Brian
 

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