Coldest Night of the Year - No Heating
I got up this morning to find the house freezing cold and all Tado appliances offline in the app. This happened a couple of weeks ago, but on that occasion it was only one TRV that went offline. This time it was everything in the house. When it first happened I contacted Tado through their chat facility and I asked if they could look at the logs to find out why the TRV went offline (rebooting the bridge brings them back online) and why when this happened, did the heating fail? (Tado's documentation states that if a TRV goes offline then it will retain the heating temperature as it was set before the outage) Last night everything went off, no heat at all. We have one room in particular that has to be heated at 20 deg constantly due to my disabled Mother in Law residing in there. To have the heating fail for as long as it did has a high risk that could lead to something more tragic. Tado's response back then was for me to swap TRV's with another Rad to see if the problem moved. I stressed it was paramount to find out what the issue was and couldn't wait for it to happen again. They ignored my request and said I should follow their instructions. Now wind on 2 weeks later the same thing happens again, but this time the whole system. I stress the urgency on chat again for it so far to be ignored.
Firstly does anyone have any idea what may cause this to happen? This morning I have now plugged the bridge into a smart plug and created a routine every hour to switch the bridge off then on again through the night as I know this will bring everything back online.
I am now considering going to the papers with this story as their lack of interaction is palpable. There is a major issue here and I need to get to the bottom of it.
Comments
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When you had the problems, was the bridge powered from the router's USB port? To save power some routers go to sleep at night when there's no internet traffic. This results in the bridge powering down and not being able to power up again.1
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How old are the batteries in the main tado thermostat? The strange offline behaviour often precedes that. I've noticed that quite often over the years. Mystery offline times start and then a few weeks later it wants a battery set. Now I tend to replace the batteries if it does it a second time.
For now I'd suggest putting a secondary electric oil filled radiator in the MIL's room as back up. Set it to 20c and it will fill in automatically if the heating goes wrong. I'd do that instead of constantly rebooting the bridge.
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Thanks for your prompt comments. The bridge is wired into the mains, not a USB port. With regards the batteries, some are brand new, some are original, but for ALL the batteries to be on the way out is rather unlikely. The rooms are independent of each other. There isn't a central thermostat on this occasion.0
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I have just taken a look at my Home Assistant logs as Tado has been integrated and it seems that the issue is with the extension kit. This shows to have disconnected in the middle of the night and by restarting the bridge, it then reconnected. This would explain why there was no heat for the duration as it was no longer talking to the boiler.
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