Central heating thermostat not working

CarolineAV · 13 Oct 2020

And there isn’t a light either

ianmcd · 13 Oct 2020

@petit_pablo can you offer any help on this ?

CBW · 13 Oct 2020

Can I ask which one of the 2 is the thermostat? Also your receiver should resemble something like this: https://images.app.goo.gl/Gvn34fN7FoQU2ArV9

CarolineAV · 13 Oct 2020

I have nothing that looks anything like that. I have a square thing with a black screen which came with a tiny manual calling it a Programmer and the square grey thermostat

CBW · 13 Oct 2020

Are there any buttons on the top of the thermostat? Have you tried the boost buttons on the one with the black screen?

petit_pablo · 13 Oct 2020

ianmcd said:
@petit_pablo can you offer any help on this ?

You're correct in what you're saying and there does have to be a receiver somewhere for that thermostat as they cant talk directly to the timer. Possibly in the airing cupboard or wherever the zone valves are. If they lose connection they can be a A'hole to reconnect.

CarolineAV · 13 Oct 2020

Thank you. I have found the receiver in the airing cupboard. But I can’t get it to produce a light.

CBW · 13 Oct 2020

Did you press the button? Photo? Follow the wiring and make sure that the fused spur is turned on.

petit_pablo · 13 Oct 2020

CarolineAV said:
Thank you. I have found the receiver in the airing cupboard. But I can’t get it to produce a light.

If it doesnt light up at all after turning the fused spur off and on, the receiver is dead. If you press the bottom grey button, it should bring the heating on manually. The receiver will need replacing but they are only available from BG

CarolineAV · 13 Oct 2020

Luckily the BG engineer has just arrived (poor man)..... I hope he can fix it or has a replacement

CarolineAV · 13 Oct 2020

BG man diagnosed a faulty power socket in airing cupboard powering receiver......
Many thanks to all of you who tried to help me

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Central heating thermostat not working

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