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Hi Terry. Turned out to be both the hot water motorised valve downstream of the water pump and another leading in/out from/to the immersion tank that was not opening/jammed. Both replaced. Problem solved. Boiler itself fired right up and was fine. Basking in heat after seven days with no heating...

Timer in use is a Honeywell ST9400A

The timer has separate controls for the water and central heating. We have hot water heated by immersion tank and boiler only heats central heating system. We dont use the boiler to heat the water in the house generally. The boiler doesnt seem to be getting a proper call from the timer to start...

Can you expand on this Terry? The green light comes on when you reset the power supply and set the timer to constant and then the motor runs but does not then fire up the boiler and then the whole thing shuts off (no green light). It is odd that it ran for a mniute after we refilled the oil tank...

Can anyone offer any help or advice. Whilst away for a few days the boiler, having been running fine, suddenly cut out last week and the green power light (Mains) is no longer lit. Tried to turn on and off power supply and set control Timer to Constant and indoor house thermostat to max and it...

Its a 3A plug for the PSU Echoes so I will go with a 3amp FCU instead of plugging thePSU intoa 13 amp socket

In response to another thread I started entitled "switch problems" I am going to cut of the plug to the PSU and wire it into a 3a fused FCU so as to provide some element of protection and to prevent anyone else plugging in something inappropriate with respect to the load rating of the circuit...

Once again thanks Echoes I will probably go down route 1 as you suggest. I cant thank you enough for shedding light on all my problems and without your help I could not have done this so thanks very much. Kind regards Rod

OK thanks. I have just fitted a socket in the loft for this very reason so hopefully it will all work OK once I have made all the connections to the amp and PSU.

Hi folks, I have enclosed a sketch of two scenarios to install my mast head amplifier in the loft, in an effort to boost the weak signal from the loft aerial. Figure 1 shows the conventional method, and figure 2 the method I am going to employ. As I can see it the only difference is that in...

Exactly that!! Bloomin heck Echoes thats spot on. Restored power but then after seeing the switch did not work, and checking all my connections again, I went back to the main supply box and yes one of the RCD's had tripped. Landing light now switches on and off from both downstairs and upstairs...

OK today I isolated the mains and rewired the landing light switch as Echoes recommended. Reconnected the supply and the landing light switch works fine with the new single gang two way switch plate I put in place of the old one. The loft light is now permanently on, which is what I expected...

I am running a permanently switched live loft cable from a landing light switch which previouslly used to feed the loft light as well (two way two gang switch originally) to a junction box in the loft, which then feeds to a socket to power a 3amp power supply for the aerial and another junction...

Echoes, I posted this elsewhere on here. Please give me your thoughts or anyone else for that matter having read my earlier posts on this thread. I am running a permanently switched live loft cable from a landing light switch which previouslly used to feed the loft light as well (two way two...

Did a bit of head scratching and with my one gang one way switch in the loft, if I run the remaining cut end of the cable (other cut end went into junction box, see my previous post) from the light to the new switch and connect the neutral wire to the neutral supply wire at the switch using a...

Hmmm not really. Are you saying the loft light could be wire A then? Your last post aside, going by your earlier post about rewiring the connections in the landing light switch (oh and thanks so much for your help so far) if B is the correct wire to the loft light, once I mod the connections...

When you say loop it from the lighting circuit, do you mean directly from the loft light rose fitting on the roof joist. Is this rose fitting not fed from the now live switch cable anyway? Did you mean I can put a loft switch in line on the existing switch cable to the light, once its made live...

Schematic now posted

OK here is a schematic of the switch on the landing. A and B wires come in from the top of the switch housing and C from the bottom of the switch housing, presumably this is the wire to the downstairs landing light switch. I should add that the terminal positions are shown inverted (top to...

The amplifier has a 3 amp fuse in it so I don't think it needs 13 amps. The lighting circuit I don't know what fuse rating it is in the loft. It runs a single incandescent 40w bulb from a rose mounted on one of the roof joists in the loft. I can probably trace the loft wires, but I don't want to...