Baxi solo explosive ignition

[Steve weightman]

Visited a baxi solo 24he with explosive ignition so looking for spark electrode issue or gas valve issue or even inlet pressure but all looking ok. One thing I noticed was the programmer is faulty flicking on and off . Just a thought but would you think this could be the issue partially ingniting then not then igniting again with a build up of gas.
Cheers

 

[Aire]

I'm not that experienced with fault finding etc but if there was a build up of gas wouldn't the fan pull the excess gas out before ignition? In which case could it be a wearing fan lacking the power to clear the excess gas or not pulling in enough air before ignition?

If I'm taking complete nonsense please feel free to tell me 😉

 

[Steve weightman]

Was working fine when I were there so checked seals cleaned up spark electrode only thing noticeable was the programmer clicking on and off

 

[Harvest Fields]

Was working fine when I were there so checked seals cleaned up spark electrode only thing noticeable was the programmer clicking on and off

What condition were the electrodes in? What gap did they have?

 

[Steve weightman]

What condition were the electrodes in? What gap did they have?

Good gap and nothing bent out of shape and gave them a rub down

 

[Harvest Fields]

Good gap and nothing bent out of shape and gave them a rub down

Sometimes that’s it needs. Might not work though.

 

[Aire]

So is the thinking that with dirty, slightly bent out of shape electrodes, the spark will be weak, causing a delay in Ignition which is resulting in a gas build up? Sorry, I know I'm not helping just trying to build up my understanding.

 

[AMGasServices]

If I’ve think correctly the Baxi solo same thing as the potterton promax 15/2 he.

If so the Id change the electordes also make sure it not sparking on the front of the combustion case. The silicon tubes give it over time.

Make sure the condensate trap and sump is clean.

Check that type of burner you have the earlier versions had a fibre burner (it caused many issues). Id replace it for a new ceramic burner.

 

[Gasmk1]

i had one where the cement holding the ceramic burner in to the box had deteriorated,

 

[Harvest Fields]

i had one where the cement holding the ceramic burner in to the box had deteriorated,

Quite common that is

 

[Last Plumber]

So is the thinking that with dirty, slightly bent out of shape electrodes, the spark will be weak, causing a delay in Ignition which is resulting in a gas build up? Sorry, I know I'm not helping just trying to build up my understanding.

Yes.