Worcester Bosch 14/19 doesn't stay alight

[dave47good]

Our boiler switches itself on by the timer, ignites approximately 10 seconds later, then immediately goes out, it will do this several times in the same cycle before switching itself off. I then have to turn the boiler on manually to try to ignite it but most of the time it repeats the same cycle and goes out again. After several attemps it manages to stay alight. Very occasionally it will ignite via the timer. Is it the PCB? Any help would be greatly appreciated.

 

[wonderdust]

thermocouple

 

[bripl]

you need to contact worc they carry out amodification,it has nothing to do with the pcb .

 

[COG]

The built in twin chanel timer will sometimes give a problem sim to what you describe but you can usually se the display acting eratic, is that the case. ?