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Hello all, I could use some help here. My central heating doesn't come on when its meant to. The thermostat appears to be fine. Using a multimeter I get 240 V across the live and neutral; 240 V across switched live and neutral when thermostat is on and the neon light glows; and 0 V across...

Very helpful; thank you so much! Cheers, Ed Stevens

Hello again, Almost got my Honeywell Wiring Centre all worked out. Boiler, pump and valve all working fine. But there's one last bit I'm stuck on. The room thermostat has four sockets, numbers 1, 2, 3, and 4. On the wiring centre though the sockets are labelled 1, E, 2, and 3. How do I...

Indeed the case; I do have a 3-port motorised valve. Thanks to what mickyg said above, it all seems to be working fine now. Still have to wire up the boiler, but the controller at least seems to light up when I turn the mains back on. I wouldn't say I'm clueless about electrical stuff or for...

Thank you very much! Maybe these photos will make things clearer; when clicked they get bigger. Here's the backplate of the controller: And here are the sockets on the wiring centre: Hmm... with the green in the wrong socket may explain why fuses keep blowing. Good catch...

Thank you for the quick reply! Yes, have done so. On the backplate of the programmer: * the green wire is fixed to [1] * the blue to [N] * the orange to [L] * the grey to [3] * the white to [4] Is there something else I need to mention? Cheers, Ed S.

Hello, I'm trying to wire up a sparkly new Honeywell Sundial Wiring Centre but have come a bit adrift with the RWB9 programmer. The programmer has 5 wires: green, blue, orange, grey and white.* The wiring centre has six screw-down sockets for the wires, labelled L, N, E, ON-CH, ON-HW, and...