Vokera Vision 25S not starting unless I hit it

[Farlann]

Hello Everyone,

Here is my issue, my boiler won't start unless I hit (gently) the protective cover.

Thinking it was just some lose connections I removed the cover and accessed the 2 PCB (the main one, and the smaller one carrying relay and capacitor).

You can remove this little PCB from its slot, and when I tap it gently on the side the boiler will start. the part number is 20076436.

I can change this part easily, but my question is, what part would cause this kind of issue ? the Relay or the capacitor or maybe something else, and is it normal for those part to fail ? Boiler was installed 5 years ago.

Just trying to understand as it's bugging me now !

I already check all the connection coming from and two this PCB and there are fine btw.

Thanks for your time.

 

[Deleted member 120897]

Removing the cover forms part of the combustion circuit and critical safety checks should be carried out afterwards. Replacing parts on a whim can be more costly than employing a suitably qualified engineer. It could be a loose connection or something else.

 

[Billone]

I have this problem too, with a 20s - anyone find an answer?

 

[Farlann]

Yes problem fixed. No way for me to test the 2 capacitors from small pub board so changed both and working perfectly since.