Recent content by jjlondon

thanks for your reply. The display is showing, when the power is turned on, 30, then below it 'b'

The usual fault is '30' then below it a 'b'. Which according to the dire instructions means 'last blocking error' Can you explain what you mean by rebooting? I have turned the mains off/on etc as per the relighting intructions with no effect.

So, there are a few of these posts about Pottertons and the summary is that the circuit boards and electrics are a little shoddy!? My boiler has done sterling service for about 2 years...but then it just stopped. 1) Potterton Flowsure Envoy (8 years old?) 2) Not lighting, various...