The overflow is not of concern to the person who has the problem at the moment.
I was only trying to give as much information as possible, just in case it was related to the heating problem.
Thanks for the replies.
Thanks for the information.
I have taken some measurements from the junction box.
There are 9 terminals being used.
Below is the relevant measurements from each of the terminals.
OFF HW ON CH ON
1 240V 240V 240V
2 0.3V 0.3V...
No I haven't carried out any checks.
If you can list a few I will have a go.
Currently in order to get the heating on I have pushed the manual overide slider into a locked position (bottom of motorised valve). When the hot water is then switched on the water is also pumped into the...
I'll get a new motor a replace.
Just to check. The boiler will only fire-up when the motorised valve has moved to the correct position. Is there some feedback to the boiler?
I'm sorry if this is something that has already been answered.
I have a Potterton Suprima 80 boiler.
Lately my central heating wont come on but the hot water works ok. The thermostat in the hall comes on but the boiler doesn't fire up.
Sometimes when the hot water and central heating...
Thanks for confirmation that the programmer is faulty.
I kinda hoped that this was the case but was trying to fault find down to component level.
Changing a sticking relay is more cost effective than the whole programmer.
There are 2 relays in the programmer. I'm going to swap them and see if...
I have a Potterton Suprima boiler and a Potterton EP2002 programmer.
Currently the central heating will not work.
Water heating is working correctly.
When switching on the central heating from the programmer, the LED on the programmer comes on but the thermostat led (which is in the hall...