Started this weekend, our boiler sometimes does not fire up on demand. The fan starts and continues to run correctly, and I can hear arcing/ sparking for up to 10 seconds from the vicinity of the PCB I think. Sometimes it lights, other times not. Last night it didn't want to work, but came on automtically this morning on the time switch. It's not overheating I don't think - I haven't had to press the red reset switch underneath, Nothing has been done recently to the boiler, it has been regularly serviced. I know all intermittant faults are hard to identify!! Potterton offered a 170 quid service to come out, identify and fix the problem, but if its a 2 quid part I would be gutted! (And xmas is coming!).
Can anyone identify the likely problem from my description, or suggest further simple tests I can do to narrow down the likely suspect component.
Thanks in advance for your help.
Can anyone identify the likely problem from my description, or suggest further simple tests I can do to narrow down the likely suspect component.
Thanks in advance for your help.
