Thanks for the advice burner man! After stripping it down I cleared out the photocell housing and it seems to be running fine now! It was abit sooty!
Agile, thanks for your input too.... Most helpful
Help!!
So I have no plumbing experience but have a little knowledge from my own Internet based teaching!
I have a trainco wm70 oil boiler, that cuts out after a few seconds once flame is established! I originally thought this was a photocell problem so fitted a new one but this didn't...