topic Re: Hot water not working in Nest Thermostats

Hot water not working

Sgrieves — Thu, 14 Oct 2021 07:34:14 GMT

Hi - My hot water isn’t working on schedule. It says it’s “on” but the background in the app is still grey. Also when I boost, again it says “on” but is grey still and there is absolutely no hot water.

When the immersion is turned on on the hot water tank, and I switch the nest to boost, then and only then the “on” screen glows orange. I know then that the hot water is working - I think the nest isn’t. Have done a restart on the control - what more can I do please? Thanks!

Re: Hot water not working

Steve59 — Thu, 21 Oct 2021 13:31:42 GMT

Nest told me it was bug they were not going to fix, as the orange hot water screen is just an indicator, mine says on and is grey and heats the water fine, it just does not turn the screen orange (very annoying) it used to turn orange if I rebooted the thermostat for a few mins then it would turn grey and not work again. I do not think it has anything to do with the boiler demanding heat, just an indicator of status

google nest do not have a clue

Re: Hot water not working

LadyJ — Sat, 23 Oct 2021 18:52:51 GMT

Mine is doing exactly the same, it says on but stays grey. The boiler doesn’t fire up either.

The heating still works as normal.
Have you managed to sort yours out yet?

Re: Hot water not working

Steve59 — Sat, 23 Oct 2021 21:11:32 GMT

It’s been like it for years but hot water still works, the hot water tank has a thermostat so boiler will only cut in once hot water needs heating. To me the orange screen in the app is just an indicator that just does not work. Google not interested in fixing it

Re: Hot water not working

LadyJ — Sun, 24 Oct 2021 08:51:12 GMT

Thanks for replying. Mine actually heated the water last night! I haven’t changed any settings so now I just have to wait and see it it’s corrected itself.

Re: Hot water not working

Tijmas — Sun, 24 Oct 2021 18:04:23 GMT

Phew! I just installed a Nest and haven't heard the boiler come on for water yet so was wondering if there was something wrong in my wiring. Will wait a day or too to see I still get HW before panicking

Re: Hot water not working

Steve59 — Sun, 24 Oct 2021 21:13:28 GMT

Hot water screen in the app still grey when on by any chance ?

Re: Hot water not working

Jake — Mon, 25 Oct 2021 17:03:19 GMT

Hey all,

I wanted to follow up and ensure you are good to go. Please let me know if you have any questions from here, as I would be happy to take a closer look and assist further.

Best regards,
Jake

Re: Hot water not working

LadyJ — Mon, 25 Oct 2021 17:18:06 GMT

Screen turned orange when it was heating on the schedule but it’s still not working (firing up or going orange) on boost

Re: Hot water not working

Steve59 — Mon, 25 Oct 2021 18:04:00 GMT

Get Google to fix the problem !

Re: Hot water not working

Pg1234 — Tue, 02 Nov 2021 18:45:23 GMT

Hi our hot water isn’t working. Says on but Grey. No hot water!

Re: Hot water not working

emmalavaine — Wed, 03 Nov 2021 17:09:07 GMT

Hi,

same issue here - last two days no hot water, Grey & boiler not firing up even though my schedule is set & ive made no changes. Heating has no issue.

Re: Hot water not working

emmalavaine — Wed, 03 Nov 2021 17:14:27 GMT

Hi Jake,

is this a problem with Google as I’ve had the same issue the past couple of days - no hot water & boiler doesn’t fire up even tho it is scheduled to do so. When I boost it, it stays Grey even though it says it is on.

I look forward to your reply,

thanks, emma

Re: Hot water not working

LadyJ — Wed, 03 Nov 2021 17:22:38 GMT

Exactly the same as mine. It suddenly started working properly again after a couple of days. I never found out what caused the issue!

Re: Hot water not working

emmalavaine — Wed, 03 Nov 2021 17:29:57 GMT

Really glad it started working again for you. It’s very old isn’t it ? I’m not feeling very happy about the ‘will it, won’t it’ work scenario I must admit. Glitches are always a worry with heating/hot water, especially in winter. I hope Google sort it out ASAP

Re: Hot water not working

Xavier — Thu, 11 Nov 2021 09:52:46 GMT

Same problem. Central heating works fine but hot water shows on but grey and doesn’t fire up the boiler. No hot water unless I use the immersion

Re: Hot water not working

Basher — Thu, 11 Nov 2021 14:48:01 GMT

I have the same issue with the indicator but the water does fire up the boiler and work but the indicator is not responding.

Re: Hot water not working

Mel2 — Fri, 12 Nov 2021 23:20:58 GMT

Has anyone managed to resolve this issue?? Its so randomly odd- nothing has changed- it just won't work anymore. It thinks its boosting- but doesn't kick in - it will work on scheduled times as long as thermostat heat is required- the min the room is warm enough the heat and the hot water stops.

Re: Hot water not working

LadyJ — Sat, 13 Nov 2021 07:05:18 GMT

Mine just started working again on its own. The only thing I did was switch the water off & on again in the app but I don’t think that fixed it as it was a day later that it started working 🤷‍♀️

Re: Hot water not working

Steve59 — Sat, 13 Nov 2021 07:48:10 GMT

That’s because Google do not want to fix this known bug, beats me