Worcester 24i RSF. PCB problem

[1bigheadache]

Right, last week we couldn't get how water (the heating has been off but as it turns out there was an issue there as well)so I went through the manual and the problem seemed to to be either (a) flow switch or (b) pcb. Ignitors tried to light but the burner wouldn't have it.

So, the heating? Well the burner would light on heating demand but go out after about 5-10 seconds.

Anyway, after speaking to a few people I decided to replace the pcb. The problem now is that when I demand water the fan runs but the ignitors don't even try to light the burner. Heating wise, there is absolutely nothing. Demand heat and literally nothing happens, no fan, no pump, no ignition.

I'm pulling my hair out now, can't really afford to get someone in hence why I tried myself, any help would be greatly appreciated!

 

[gaspro1981]

have you purchased the correct pcb there are two types and all relevant to the serial no on the boiler chassis

sounds like to me you you have not connected something correctly and did you take the code plug off of the old pcb and fit it to the new one

 

[1bigheadache]

Aah, yes definitely the right pcb, I know nothing of the code plug though?