Help - my boiler will run on CH for about half an hour before stopping & the red fault indicator light flashes fast. I reset & leave a while before switching on again with the same result. The HW usually works but not when the CH is on, again the boiler switches off & the red light flashes fast. I've scrolled through the other forums & I'm led to believe it could be an overheating problem or I need a new PCB? Any thoughts?
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Worcester Bosch 28Si II fault
- Thread starter graymar
- Start date
which red light 
there are 3
there are 3
why does everybody jump on the pcb
suprimas have a lot to answer for
suprimas have a lot to answer for
Probably because the Si range have plenty of PCB problems.
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