Potterton Prima 60F no main burn

[dazzystar]

Hi All,

The pilot does light but there is no main burn. I can see a small spark every second or so with the cover removed. Does anyone know what's causing the boiler not to fire up properly?

TIA
Dazz

 

[dazzystar]

All things point to either the PCB or gas valve. Is there a way to check either?

 

[Steelmasons]

All things point to either the PCB or gas valve.

Not necessarily.

 

[dazzystar]

What else could it be and how can I check....got a cold house and screaming wife!

 

[Steelmasons]

Case will have to be removed in order to check so obviously no advice can be given......apologies......

Get someone out who is gas registered , surely the best option considering the wife is on yer case.

 

[dazzystar]

I've removed the case before to replace the fan.

 

[Dan Robinson]

Your Blue Peter badge is in the post.

Call a professional.

 

[dazzystar]

We replaced the gas valve and still the same problem. It appears there's no power being sent to the main gas valve only the pilot so can I assume it's a PCB?

 

[Dan Robinson]

Keep going. You might get there by pot luck eventually.

 

[steve32]

so can I assume it's a PCB?

You need to carry out the flow checks before you start replacing parts or carry on wasting money on parts you don't need.

It may well be the parts between the pilot and pcb.

 

[ianmcd]

so can I assume it's a PCB?

You need to carry out the flow checks before you start replacing parts or carry on wasting money on parts you don't need.

It may well be the parts between the pilot and pcb.

YEP

Read the flow charts and keep replacing parts, will be a lot cheaper than getting someone who knows what they are doing

 

[stardanny]

We replaced the gas valve

As you have replaced gas valve, you need to get the professional in as it will need to be checked and tested.

Daniel.

 

[dazzystar]

I'll be signing up to the BG Homecare 100 scheme with a £99.00 call out but the earliest they can come is Tuesday next week.

Is there no way of getting the main valve to open?

 

[steve32]

Is there no way of getting the main valve to open?

Yes

 

[jeff the gasman]

Have you tried a sharp smack with a lup hammer?
Don't forget to check gas pressure too.
Hope this helps