Condensation build up in pump pcb G 30CDI?

[himey]

I have been working on a Grecnstar 30CDI system boiler which had a pump fault. There are no leaks on the boiler and it has had a replacement pump and a full service.
I got called back as the elec tripped. I checked the pump and there appeared to be moisture in the sealed PCB housing on the pump. I dried it out and the boiler then worked fine. I came and checked 2 days later and more moisture build up. There is no sign of water ingress from anywhere on the pump casing. Has anyone come across this as I cannot work out why this is happening. Worcester could not shed any light on it either. If i leave it for too long the moisture will fry the pump pcb and trip the power again and I don't want that.

 

[ShaunCorbs]

Are you gas safe registered?

And any other components damp / condensing

 

[himey]

Are you gas safe registered?

And any other components damp / condensing

yes i am and no doesn't appear to be any

 

[ShaunCorbs]

Did you swap the pump head ?

 

[himey]

Did you swap the pump head ?

yes swapped it for the updated pump head with the larger pcb board

 

[ShaunCorbs]

yes swapped it for the updated pump head with the larger pcb board

Not leaking from around the flange ?

 

[himey]

Not leaking from around the flange ?

Not leaking from around the flange ?

not that i can see. i am going to go back and replace the back plastic housing manifold just in case it is deformed or cracked but it doesn't look like it is. at least then it has had a whole new pump assembly so everything is new. I am positive no water is leaking in there. boiler pressure good and no water marks anywhere else on the boiler.

 

[ShaunCorbs]

Thread closed