Amazon Smart Thermostat Won’t Turn On? Complete Fix Guide

You know that when your Amazon Smart Thermostat won’t turn on, you will be performing some fixes. We have the complete guide you need!

There’s really no error notification when you encounter this issue. It’s just that your thermostat will not power up, and you will not be able to use it.

This is surely a frustrating situation to be in since you’re not going to be able to control the temperature in your home.

To fix your Amazon Thermostat not turning on, you will need to check the display’s brightness. It’s usually set too dim, and you will have difficulty seeing it during the day. You also want to check if the circuit breaker for your HVAC system is turned on. Check if it’s tripped so you can turn it back on.

Now that you have a good idea of fixing this issue let’s trace it to the source and then move on to the complete fix guide.

Why Amazon Smart Thermostat Not Turning On

There are several factors that will affect your Amazon thermostat from turning on. We recommend checking the power delivery and wiring setup of your thermostat.

When it’s not turning on, there is usually something wrong with these components.

Here are the problems you need to look out for when you encounter this error:

1. Circuit Breaker Is Off Or Tripped

An issue with your breaker box means that power is not properly delivered to your thermostat. You want to figure out whether it’s just turned off or tripped.

2. Display Brightness Is Dim

Amazon’s Smart Thermostat is not known for its display brightness. You can have a hard time seeing the contents.

3. Wires Not Connected Properly

Your thermostat’s wiring needs to be perfect to work and power up. You want to look at several factors here, but the Alexa app should have the full guide.

4. Not Set Up On The Alexa App

There are instances when you set it up wrong on your Alexa app. The thermostat will not turn on.

These are the issues that you are likely to face when your thermostat does not turn on.

We can now move on to the troubleshooting steps so you can resolve it at the soonest possible time!

How to Fix Amazon Smart Thermostat Won’t Turn On

Before we go into the various fixes for this problem, you want to make sure to reboot your Amazon thermostat. To reboot your device, you need to detach the faceplate from the wall mounts.

Wait for at least 10 seconds, then reattach the thermostat. This step should resolve any temporary issues your device might have.

In case restarting the switch does not work, we can proceed to the next steps:

Solution #1: Make Sure the Screen Brightness is Turned Up

This is a common issue experienced by most of Amazon’s Smart Thermostat users. Your device is turned on, but the display is stuck in Sleep Mode.

Waking it up should do the trick. You also want to check its brightness setting as it can be low, giving you a hard time looking at the content on screen.

Here’s how to check your thermostat’s display brightness:

1. Tap on the display to wake it up.
2. If it does not power on, open the Alexa app on your phone.
3. Select your thermostat, then Settings.
4. Tap on the Thermostat configuration.
5. Choose Display brightness and increase it.

Note: Check if the display is simply inactive to save time before checking the display brightness.

Solution #2: Turn On the Circuit Breaker of Your HVAC

If the circuit breaker of your HVAC and thermostat is not switched on, there will be no power running throughout the entire system.

Since there’s no power, your thermostat will not turn on. The good thing is that the fix is simple and all you need to do is turn it on.

Here’s how to turn on the circuit breaker switch for your HVAC and thermostat:

1. Go to your circuit breaker panel board.
2. Check for any switches that are turned off.
3. Look for the circuit breaker switch for your HVAC.
4. Move it to the ON position.

Note: You want to know if the switch for your HVAC and thermostat has tripped. If it trips often, you will need to have it checked out by a professional.

Solution #3: R Wire Jumper Switch is in the Correct Position

The R wire is responsible for powering up your Amazon Thermostat.

Your system will either have one or two of these wires, so you will have to ensure how many your system has. There’s no way to check this but to open up your thermostat.

Here’s how to make sure your R wire jumper switches are in the correct position:

1. Remove the faceplate of your thermostat.
2. Check the R jumper switch at the bottom right of the device.
3. If your system only uses one R wire, connect it to the R terminal.
4. If your system uses two R wires, connect them to R and Rc.

Pro Tip: If you only have one R wire, the R jumper switch should be in the UP position. If you have two R wires, it needs to be in the DOWN position.

Solution #4: Connect the C Wire Correctly to the Control Board

If your previous thermostat had batteries, there’s a good chance you did not install the C wire properly into the control board.

The wire is responsible for supplying your thermostat with power 24/7 to support features like WiFi.

Here’s how to connect your C wire to your thermostat board the right way:

1. Remove your thermostat’s faceplate to expose the panel.
2. Look for the C wire on the control board.
3. Connect one end of the C wire to your HVAC’s 24V Common port.
4. Connect the other end to your thermostat’s C terminal.

Note: If you have an HVAC system that does not have a C wire, you might need to get an adapter kit to use it with the Smart Thermostat.

Solution #5: Reset Your Amazon Thermostat

If you wired your thermostat correctly and provided it with power, but it still doesn’t turn on, you will have to restore it to factory settings.

This process should clear up any major issues, especially regarding the software. It will erase all the data on your thermostat, including your configurations and device settings.

Here’s how to reset your Smart Thermostat:

1. On your thermostat, press the Up and Down Temperature buttons.
2. Also, press the Mode button.
3. Hold these 3 buttons for 10 seconds.
4. Wait for rES to appear on the screen.
5. Press and hold the Mode button for 5 more seconds.

Note: Wait for the reset process to finish so you can reconfigure your thermostat again.

If a reset does not solve the issue of your Smart Thermostat not turning on, you will need to call for reinforcements. Contact Amazon’s customer support to assist you in setting up your thermostat properly.

Read Next: Why Does Amazon Says My Address is Invalid?

Bottom Line

Now that you know the reasons and solutions to your Amazon Smart Thermostat won’t turn on, you can start fixing it.

Not everyone is going to be comfortable dealing with wires and electricity. You can always ask the help of a professional to help you.