I know I am going to get ripped for having such an old Boiler ,but it has been working well apart from a top of water Occasinally ,Last week there was a burning smell and the Main house fusebox tripped on that circuit ,I didnt realise it was the Boiler, on resetting ,everything came back on ,including the Boiler(on Standy/showng demand but not working otherwise) which I then realised the smell was coming From ,anyway upon inspection after turning off, I found that one of the pin?connectors on the Full Sequence board had Melted ,I bought replacement and a replacement Mother board as Pin and that board were Damaged Also ,after replacing, the system is still showing Demand, and not working other than that ,the New Mother Board 407685 has
ISS 3 after that number, the Board I took out has ISS 4 is there a Difference in the two boards ?
Any help Greatly Appreciated I am freezing ,I will Deffo replace the boiler in the Summer ,Sadly
at the Moments Funds will not allow this
The Pin on the FCB that seems to have Caused the Problem Was F1 , I can find no other damage or Burning
to wires ,I have checked the Fan its spins Freely and no sign of Burning ...
I myself will only work on Wiring or Components that are NON Gas or Water supplied ,It was serviced (cleaned by a bloke Last year who seemed to know less than I did About the Boiler )
ISS 3 after that number, the Board I took out has ISS 4 is there a Difference in the two boards ?
Any help Greatly Appreciated I am freezing ,I will Deffo replace the boiler in the Summer ,Sadly
at the Moments Funds will not allow this
The Pin on the FCB that seems to have Caused the Problem Was F1 , I can find no other damage or Burning
to wires ,I have checked the Fan its spins Freely and no sign of Burning ...
I myself will only work on Wiring or Components that are NON Gas or Water supplied ,It was serviced (cleaned by a bloke Last year who seemed to know less than I did About the Boiler )