If they choose to follow the fault finding chart then that's their problem.
They're never complete!
As stated its only a guide and particularly a guide for experienced boiler engineers and not DIYers.
Changing a PCB is a last resort when everything else has been checked!
Tony
They're never complete!
As stated its only a guide and particularly a guide for experienced boiler engineers and not DIYers.
Changing a PCB is a last resort when everything else has been checked!
Tony