Honeywell Thermostat WiFi Not Working?

Honeywell Thermostat WiFi not working, not connecting or errors in communicating from your phone are some of the most common connectivity issues you might face while using resideo heating or cooling devices.

Most of these issues either happened because of some short-term error or due to some problem during wireless connection setup.

There is also an error where Honeywell Thermostat Display not working, but that’s the problem to tackle in another troubleshooting guide.

This guide discusses How to Fix Honeywell Thermostat WiFi Not Working issues.

Honeywell Thermostat WiFi Not Working?

Honeywell thermostat is one of the best temperature management systems that you can install in your smart home.

If you have a compatible device you can use the Resideo app or Honeywell Total connect comfort app to connect to manage the system directly from your mobile phone.

However, even tho this developer tries too hard to fix the bugs, and glitches for users there are issues that appeared for Resideo customers.

One of these problems is an issue where Honeywell Thermostat WiFi Not Working.

This is not a single error but a bunch of different problems where your thermostat has a problem connecting to the mobile app via your WiFi.

The issue could be either your home Wi-Fi network, mobile app, or the Thermostat itself.

In this guide, we are going to discuss how to solve various different Honeywell Thermostat WiFi issues.

Honeywell app not connecting to Thermostat?

There are two different mobile applications available to manage your Resideo cooling and heating management system.

First is the Resideo app which was formally known as Honeywell home and another is Total connect comfort.

The issue in connection could also arise when the app you are using is unable to connect with your Thermostat.

There is a fair chance that the problem might be with the app not with your WiFi network.

If you suspect the problem is with the mobile app – you can check Resideo App not working article or guide about the Honeywell total connect app not working depending on the app you are using.

Fix Honeywell Thermostat WiFi not working issues

Other than apps here is the basic troubleshooting guide that you can follow to fix some of the most common connection issues –

Make sure your phone is in range of your Thermostat, the ideal range is 3-5 feet from your device.
You can reconnect the same WiFi and resolve some temporary issues why turning on “Airplane mode” and connecting to WiFi again.
Uninstall or turn off any other application that might interfere with WiFi.
Make sure you connect the 2.4GHZ network not with the 5GHz since not all devices support it.
You can try rebooting your WiFi router/modem if the thermostat is showing offline.
Make sure that your network uses Dynamic Host Configuration Protocol (DHCP) and that it hasn’t reached a maximum number of connected devices.
Try restarts, basic reset, or reset to factory default in this order.

When you have tried everything but nothing works for you, you can dial customer support at – 1-800-633-3991.

Honeywell Thermostat not communicating with wireless network

For any smart Thermostat, it is required to establish a network connection to manage it remotely.

There are some cases where users might get an error that indicate that their Honeywell Thermostat is unable to or not communicating with their WiFi network.

There are many reasons why Honeywell Thermostat WiFi is having communication issues, some of these are –

Problem with your Wireless network, router, or ISP.
Problme with Thermostat.
An with the app that you are using to connect and manage your device.
Communication issue during Honeywell WiFi setup.
You might have not connected to the Wi-Fi of your Thermostat.

Here are a few troubleshooting steps that you can follow if you are having this or similar problems.

You might have seen the option to reconnect on your Honeywell home app. If you see this message, you should use the app to reconnect to WiFi (If you can).
When you get this kind of problem, first ensure that you have followed the proper steps to Connect Honeywell Thermostat to WiFi.
Check with other devices if you are able to connect these to the network. Try rebooting your router/modem.
Reboot your thermostat as well to wipe out any temporary network problems.
If it still not working you can also follow the process for Honeywell Thermostat WiFi reset.

Honeywell thermostat stuck in WiFi Setup

Honeywell Thermostat WiFi is required in order to use and manage it remotely from your phone.

And before you start using this WiFi you must set up a connection but sometime it might get stuck during the set-up process.

If that happens you can always restart your thermostat and try again to start from scratch.

You can fix this problem by power cycling both your Thermostat and WiFi network and trying to establish a wireless network connection again.

Unable to obtain IP address error

You will see this error when your system can’t identify the IP address for your home WiFi.

Other than the obvious reason this could be also due to using the wrong mobile app for managing your thermostat.

You can either use Honeywell Home or the Total Connect app depending on which device you have.

Ensure that you are using the right app, and power cycle your device to fix the problem.

This problem could be also linked to DHCP where your router automatically assigns an IP address to each connected device.

When the router isn’t using Dynamic Host Configuration Protocol, it’ll unable to assign IP to your thermostat and as a result, you will see an – Unable to obtain IP address error.

Honeywell Thermostat WiFi reset steps

Resetting Thermostat should be always the last step.

Once you reset your Honeywell temperature monitor system all of the customizations will be removed and it will be set to factory default.

However, if you tried everything and still Honeywell Thermostat WiFi not working then the only option left for you is to hard reset.

There are two ways you can reset first is Basic reset, which you can do by removing and reattaching the thermostat face plate for at least 3o seconds.

The basic reset will not actually reset the network but it’ll allow you to connect already configured network.

You can also perform a WiFi reset.

Performing WiFi reset is different for each of Honeywell’s thermostat models.

For the process to Reset your Honeywell Thermostat you can refer to this guide.

How to get the Honeywell thermostat back online?

You will get the Honeywell thermostat back online by connecting it to the WiFi network.

There are many steps involved in connecting your Honeywell thermostat to WiFi.

And once you connect and bring it online you can set alerts, and use other smart functionality offered in mobile applications.

However, sometime the thermostat might go offline automatically.

When this happens you can power cycle your Thermostat to reconnect again to your WiFi network.

Performing a basic reset might also help.

If you want to perform a basic reset you have to remove the thermostat face plate from the wall plate for 30 seconds and then reattaching it will try to reconnect to your WiFi.