Received an email that the batteries in one of Smart Radiator Thermostats are low

itsthomas

Hi,

Every other day I receive an email from Tado that the batteries in one of my Smart Radiator Thermostats are low.

However, when I check that TRV in Tado app, it shows that its battery is Good and is full green.

Why do I receive those emails if the batter condition is still good?

Unknown

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MarkToon

Just going to follow up on this and report the same behaviour on my system.

I even get push notifications from the app, and for sure when I look at the device it shows the batteries in red.

But if I leave it for a few hours then come back and check.....perfectly green again.

Months later and still no low battery warning, and device working as expected.

For the cost of this setup, you'd think this would be a relatively simple bug to squash.
Heck, is there some open source code to look at? I'll do it myself ;)

Jimbob

I have received an email telling me that batteries in one thermostat head are low but once again the batteries are fine. Please Tado sort this bug out.

karl85

I received an email from tado around low battery but showing 'good' in the app. I'm assuming safe to assume the app is more accurate? is there a way of checking the battery on the actual smart TVR device?

Emcee

Hello @karl85

It's best to adhere to the notification, no matter through what channel it reaches you. This will help your devices to stay connected and operate properly.

From experience, email notifications usually precede the 'low' battery status in the app by a few days. This gives customers time to acknowledge their batteries are running low and take the necessary action.

davidlyall

@karl85 , I think what happens is that when the valve is opening or closing, the battery voltage will drop. As a battery ages, this drop will go below tado's threshold for warnings so you get an alert. However, the battery will recover sufficiently for the app not to have the warning showing. Eventually, as the battery depletes further. The warning will remain in the app. That's when you should look to change batteries

wateroakley

@karl85 As David mentions … when the valve opens or closes, it will draw current and the battery voltage will drop. Sometimes prompting a 'new batteries' email.

The gas engineer serviced the boiler today and the heating was switched on for the first time in a few months. Three TRVs (of 12) have answered his visit with a 'new batteries' email.

Two pairs pairs of original batteries in two TRVs have lasted 31 months. One pair of Panasonic eneloops in the third TRV has lasted 9.3 months. For comparison, the previous eneloops in the third TRV lasted 11.5 months and the original battery pair lasted 10.5 months.