Vaillant EcoTEC pro - safety device?

[Burger]

Hi guys,

After some advice on above please. So I’m carrying out a safety check, isolated the above underneath, lost count after 14 attempts to ignite. Pcb?

 

[townfanjon]

Sorry I am no help pal , but I dont half empathise.

 

[Scott_D]

Might be one for the tech lines

 

[townfanjon]

No fault code ? ( 5 words lol )

 

[Burger]

No fault code ? ( 5 words lol )

No just kept trying to light.

 

[ShaunCorbs]

What happens when you pull the rec lead ?

 

[Harvest Fields]

Sound like a communication issue tonthe board. Does it work ok otherwise?

 

[Burger]

What happens when you pull the rec lead ?

I Didn’t try it, but seems to work ok otherwise

 

[Burger]

Sound like a communication issue tonthe board. Does it work ok otherwise?

It seems to do, nothing unusual

 

[Gasmk1]

wasnt there a similar thread to this earlier this year seem to remember you have to pull the lead to prove it not just isolate