Update: Vaillant engineer came today and was 99% sure it was the valve, he even got one from his van however it turned out to be the relay on the timer so he swapped it and the valve opened. Job done you would have thought. He was booked in to do service and discovered the filter was clogged...
Thanks so much for the speedy reply. S.30 was the code on the display to begin with. If I put the HW on and NO CH I get an S.4 with the rad icon on the display. An S.2 if the CH on but HW off after putting the HW on to for the boiler.
I notice that the pump seems to stay active for at least 5...
Hi,
F and E system - Vaillant ecoTEC Plus 428 boiler.
Drayton Water and CH timer
Grundfos pump
2 x Honeywell 2-way diverter valves
Salamander pump (Not sure what that pumps tbh)
3 Storey house - 12 radiators ( 4 groundfloor, 6 first floor and 2 on the second floor, 1 bath, 1 shower)...
Thanks again guys. Don't fancy more expense. I have noticed that the pressure has dropped when cold very very slightly. I had topped it to 1 but after a few days it's at I would say 0.95. As I said very slight drop
Excellent. It looks like it was a bicycle pump job that seems to have resolved the issue. I don't remember seeing that in the manual. Got an excellent 'plumber/engineer' recommended by an equally excellent plumber/engineer to sort it.
Thanks all for your advice. It is appreciated
My boiler, which is about 5 years old and regularly serviced has decided to lock out on a fairly regular basis now. The last time it happened, this morning and twice over the weekend. It had done it about a week before that too. Central heating was working when I went to bed last night. This...
Can anyone tell me if the above boiler (or any is sophisticated enough) to stop you filling the system up?
I attempted to put some water in to the system (to increase the pressure) yet when I move the top up 'tap' nothing happens and I don't hear any water flowing into the system. It was at...
Sorry Dan I was being abrubt with Baxman as he was taking the P out of my spelling when he responded to my initial request for the manual :)
Is the installation guide any use with regards to operation?
Many thnaks
Danny