No battery warning from hard-wired Wall Smart Thermostat’s

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Sean_Tado_Beta_User
Sean_Tado_Beta_User ✭✭✭
in General Questions & Topics

Hi all,

Just wondered if anyone else has had this issue like me?

I recently went to a wall thermostat to check the room temperature and noticed the display was not working correctly and very erratic. I checked the device in the app but it was showing the batteries as been “good” and the device also still controlled the heating circuit.

I replaced the batteries on four of the five Thermostats and all display correctly now.

Still not sure why the battery warning never appeared?

Tado?

Comments

  • _Steve_
    _Steve_ ✭
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    I had exactly the same problem!

    Batteries were low, but not flat, but no indication of this In the app - the display simply kept behaving erratically. Changed batteries and hey-presto working propery again!

    I guess ther battery level checks are not working as they should?

    Thanks for the tip - saved me loads of stress!

    Best Regards, Steve

  • [Deleted User]
    [Deleted User] ✭
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    Hi,

    This is an issue we are working on resolving.

    What happens is that the voltage is OK, enough for normal operation (communication, switching etc.), but when the display is activated, the voltage drops so low as to restart the thermostat.

    This won't trigger the low-battery warning however, because the voltage goes back above the threshold as soon as the display is off, so the next time it reports in, the voltage is fine. But because it gets restarted by the sudden voltage drop, it can't remember that it had a problem with the voltage.

    It's a bit of a catch-22, but we know the cause so are hopeful to have it resolved. Just FYI, we only get a report of this once or twice a month, at most, so it is also a rather rare occurrence.

    Best regards,

    Frank

  • PaulStubb
    PaulStubb ✭
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    I have this same problem.
    When I adjust the temperature via the app, the smart thermostat will show the low batteries warning before changing the temperature.
    The app, however, says the battery level is good.
  • AlexA
    AlexA ✭
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    Same with me. Pretty basic and important function for app to show low battery. I guess urgent solution needed. Strange issue on the list for more than 6 months and not solved yet. Alex
  • Boogie
    Boogie ✭
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    My smart thermostat will only show battery symbol but App shows battery as good. Cannot use thermostat to control boiler but App still,working. Do Tado still send email advising battery low and time to install new batteries?

    Looks like it is time for new batteries anyway.

  • mikeybee
    mikeybee ✭
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    Just to add a recent experience - my hard wired Wall Thermostat batteries died, no notification from the app (just reported as no remote access when opening the app).

    The batteries seem to have died with the heating relay ON so the boiler went mad for 24 hours until I noticed the house getting rather warm...

    A low battery notification from the app for wall thermostats would be much appreciated.

  • davidlyall
    davidlyall ✭✭✭
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    Is this issue limited to certain hardware versions of the Smart Thermostat?

    Mine correctly gave a battery warning late last year.

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