Tony first the water flow switch needs to be in the open position Boiler powers on the pump turns on for around 5 or so seconds (switch closes) then the pump stops where the switch must disengage then pump starts up again and the flow switch engages again .only then the boiler continues the...
As Baxi customer support said this is the first pcb board(248074) produced for this boiler.
The new Board Baxi has produced is upgraded version from trial and error and would be better board.
One thing i have noticed of the new pcbs board 5112380 is that the Pcb Board checks the water flow...
I drew this diagram to Repair this pcb board . Its a Baxi system Boiler but also a Potterton system boiler .Here it is if anyone needs it ..
I will upload this again with all components labelled on schematic.
There is a few different boards updated designs for this boiler I will upload these...
Underwulde would u be interested in giving me a few online lessons..
Am working on electronics and finding it hard to find someone with your ability in this area ..
Possibly a few Skype lessons .
My ability is limited and need to be faster on fault finding and repair ..
I worked on a board for...
Thanks a million underwurlde for drawing that schematic,
Am working to repair one of them boards at the moment ..
I,ve spent hours and hours on some pcbs trying to repair them so i much appreciate what you,ve done and time taken ..