Is Resideo Down?

Live Resideo status. See if Resideo is down, view recent outages, and get real-time alerts when problems start.

Resideo current status

Updated

Resideo is operational

IsDown pulls data from the official status page every few minutes and collects user-reported Resideo issues.
Refresh the page to see the latest updates.

Resideo incident history

IsDown has tracked 103 incidents since started monitoring Resideo downtimes in October 2022. We are also collecting data from 4000+ services, and normalize the data to give you a clear picture of the impact of the outage.

  • May 12 2025

    2 days ago · lasted about 10 hours

    AlarmNet services are currently experiencing an impairment. Please be advised that you may experience inability to use services. TC2 logins also affected. We are working to resolve this issue and will provide updates as soon as possible. Alarm...

  • Apr 29 2025

    15 days ago · lasted about 22 hours

    We are aware some of our customers are experiencing login issues with our Total Connect Comfort (TCC) application. The thermostat can still be used directly to control your heating and cooling system. We apologize for any inconvenience experienced.

  • Mar 21 2025

    about 2 months ago · lasted about 1 month

    PRODUCT ALERT: Peripheral Wireless Touchscreen (PROWLTOUCH & VISTAHTCHWLC) We are investigating an error reported by PROWLTOUCH and VISTAHTCHWLC wireless touchscreen keypad users pairing with PROA7 / PROA7PLUS / VISTAH3 panels. The PROWLTOUCH a...

  • Oct 2022 ...
    IsDown started monitoring Resideo status

    We've tracked and collected 103 incidents since started monitoring Resideo status

Resideo user-reported issues in the last 24 hours

This chart displays the number of user-reported Resideo problems over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem.

Latest user comments about Resideo issues

  • K

    Ken

    I’m having trouble accessing information. I login and then the screen goes white.

  • K

    Karen

    Comes up as blank 📺 screen

  • A

    Allissa

    Connection issue and certificate error

  • J

    J

    Resideo app not working on current iPhone. App has been deleted and reloaded, it’s up to date. On app log-in screen is white, thermostats never come up.

  • T

    Teresa

    My Resideo app is not working

  • J

    Jack

    Keep getting a notice that planned maintance is scheduled for the exact time it is

  • F

    Frank

    Total Connect Comfort Website and app is down. Therefore, can't connect to my thermostats

  • A

    Al

    Will not connect with my thermostat

  • J

    Jim

    App comes up with name but is frozen . No other info. can’t adjust manually or by phone?

  • R

    Rachael

    The app times out shortly after I log in. I am not able to turn my alarm on.

  • S

    Suzanne

    My Resideo app is not working

  • D

    Dorothy

    It won’t adjust via my app. It reverts to its random setting.

  • S

    Steve

    It says No Internet Connection

  • R

    Richard

    Platform not communicating to app.

  • L

    Linda

    We are in FL our house in MN we can't see that our furnace is on during the cold snap Worrisome.

  • M

    Mark

    Raise or lower temperature setting from iPhone will not stay at new. Setting, reverts back to old setting

  • D

    Doug

    Resideo doesn't work most of the time. Thermostat connects to wifi but not to cloud most of the time.

  • P

    Phil

    Not reading any of my thermostats. Just started a few hours ago

  • E

    Earl

    Thermostat is blank and no connection to internet. Internet is up.

  • A

    Anthony

    The device keeps dropping from the wifi

  • C

    Cj

    Leak detectors keep going offline suddenly. No wifi issues

  • E

    Elaine

    I had my Honeywell thermostat hooked up to Resideo from Honeywell home yesterday. Now today the screen on my phone Has no info

  • A

    A

    Neither app or website will connect

  • N

    Nick

    App won't open says "service unavailable"

  • J

    Jenny

    Error message says offline. Happened 1/22/25 and then automatically came back on after few hours. Doing the same today!

  • L

    Larry

    The thermostat is not responding. Also it changes to permenant hold on its own

  • J

    JJ

    App not connecting to thermostat anymore.

  • T

    Tim

    Runtime on app is all messed up. Only showing 2023 with crazy usage.

  • S

    Sivart

    Runtime is only reporting 2023 and impossible numbers (>24 hours per day)

  • R

    Rey

    Unable to get past selecting location it doesn’t move past that screen. Tried multiple phones and WiFi networks and still nothing

  • A

    Ann

    Resideo Honeywell - App down. System is down and we are freezing cold. What a disappointment with this company.

  • K

    Kevin

    System offline. My Wi-Fi is up and running

  • S

    Steve

    Multiple devices lost WiFi connection over last 8-12 hours. Not a WiFi issue.

  • D

    DONALD

    3 of 4 devices have gone offline

  • K

    Kim

    "System is currently unavailable, your connected devices are working normally. Try again later" Benn receiving this message since 12/6/2024

  • A

    Alan

    Hi. My T6 lyric wasn’t connected this morning and has been off all day. Tried connecting several times but no luck

  • L

    Luis

    It's not working since last night, I already reset all devices, even WIFI, phone and thermostat Not working :-(

  • B

    Brian

    App has been down since ~ 1030PM CST Twin Cities area. Reset all devices to no avail. As a new customer, 0 rating for Resideo .

  • S

    Simon

    It went back up for a short time but straight back to down, showing no device now.

  • S

    Susan

    Not connecting with internet

  • J

    Jean

    Thermostat is showing offline and my app shows no device

  • F

    Frank

    I reported thermostat being offline earlier, but is now back online. Thank you Resideo. Hope it stays online.

  • A

    Alicia

    Smart home says it has no internet

  • J

    Jack

    Device outage error message has been received.

  • N

    Nunya

    WiFi reset, everything is on the net just thermostats are all offline

  • A

    Alison

    Woke up with no heating. Thermostat was set to 18.5 and the temperature reading was 16. Thermostat wasn't sending signal to boiler. Boiler wasn't online either.

  • S

    Sasidhar

    My devices are showing offline

  • C

    Cristi

    No Internet connection shown on thermostat

  • A

    Andris

    Thermostat reporting no internet while connected to a perfectly working WiFi.

  • R

    Raees

    Thermostat down even when connected to WiFi

  • D

    DK

    Resideo App showing 'System Offline'. Same for Honeywell thermostat with alert indicating that 'No Internet - Error Code: 399'. Reset configuration / password no luck. Been down at least 2+ hours. Located in Portland OR

  • A

    Anon

    App is showing “offline”, device says it’s connected to WiFi. Tried resetting device, app, phone, everything. Nothing is working. When I try to reset WiFi, the app doesn’t show up in the “local network” step.

  • K

    Kevin

    System was down for almost 3 hours..

  • M

    Mike

    Wont connect it mobile app. Says no internet

  • C

    Chris

    Can’t use app or Alexa all the sudden

  • M

    Mark

    System offline. WiFi is connected and tested. Not talking to Resideo cloud.

  • B

    Bill

    Offline thermostat in the app despite it being connected to the internet.

  • C

    Craig

    Thermostat shows offline but connected to working WiFi. Started about 1.5 hours ago.

  • C

    Celeste

    App is showing system is offline

  • A

    Amanda

    Honeywell says I'm offline while all other services connecting to my Wi-Fi are working

Resideo outages in the last 30 days

Number of Incidents

2 issues

Last incident

2 days ago

Frequently Asked Questions

Is Resideo down today?

Resideo isn't down. You can check Resideo status and incident details on the top of the page. IsDown continuously monitors Resideo official status page every few minutes. In the last 24 hours, there were 0 outages reported.

What is the current Resideo status?

Resideo is currently operational. You can check Resideo status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.

Is there a Resideo outage now?

No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.

Is Resideo slow today?

Currently there's no report of Resideo being slow. Check on the top of the page if there are any reported problems by other users.

How are Resideo outages detected?

IsDown monitors the Resideo official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.

When was the last Resideo outage?

Resideo last outage was on May 12, 2025 with the title "AlarmNet"

Resideo not working for you? How do I know if Resideo is down?

How IsDown compares to DownDetector?

IsDown and DownDetector help users determine if a service is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information. The integration allows us to provide more details about the outage, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.

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