Thanks again. Just noticed we are practically neighbours.
We did actually find that problem late yesterday. When the boiler was installed they didn't wire the power correctly - as you rightly said. Now the boiler works fine and cuts in and out via boiler stats, room stats and cylinder stats...
Hi Oilhead
Thanks for reply.
Its a Eurocal boiler with an ECOFLAM minor burner unit. I dont know what a post-purge pcb is.
I think the issue is with the control unit and wiring. Although it is wired exactly as before I replaced the LOA21 with an LOA24. The echematic looks exactly the...
Thanks again John
Yes thats definitely teh case. The live feed is inbto the control unit - just doesnt disconnect after its fired.
The live then pases up to the stats and back in again on a different pin. I wonder if its worth pushing teh feed in through the stats rather than the control...
Hi John
Thanks for replying.
No frost thermostat fitted. The boiler stopped working before christmas. Had severla plumbers in who all diagnosed different things. The actual problem was faulty High Stat.. replaced both High and low stats, fitted new burner control unit but once it starts it...
Hi I am having poroblems with this burner control. It is a brand new unit, as are the High and Low stats, etc etc.
Boiler fires but disregards the cut off signals from the High and Low stats. Once power is pushed through to the burner motor it doesnt release it even if the stats are both...