#1 Best Seller: Nest Thermostat 3rd - Check Price Now! ( Works with Alexa )

How To Unlock Emerson Thermostat

How To unlock emerson thermostat

The digital Emerson thermostat is programmable and you can easily configure it to meet your personal needs. Before installation, you have to read the instructions carefully and confirm if the set-up is complete. 

This helps in assembling the tools and items necessary for the installation. Failure to follow the instructions may lead to destruction of property or even cause personal injury. For safety purposes you have to ensure that the thermostat is fully operational.

To ensure that your thermostat operates efficiently, you have to check if the heating and cooling systems are properly functioning.

You can do this by pressing the SYSTEM button and select either the COOL option or the HEAT option. The DOWN arrow key is used to adjust the temperature setting of the thermostat below the room temperature.

On the other hand the UP arrow key adjust the temperature setting of the thermostat above the room temperature. Other systems such as the back-up heating system and the fan operation system must also be checked.

You may be probably wondering,

How can Emerson thermostat be unlocked? 

First, it is important to familiarize yourself with the thermostat. All you need to know are the basic parts of the thermostat and how they operate. 

For example, the menu button, the navigation keypad, the action button, the energy button as well as the soft keys. Having this background information will make it easy for you to unlock your thermostat.


In most cases the thermostat is locked to keep off unwanted users who may change your preferred settings. It is good to understand that a secret code is normally used to lock and unlock the thermostat.

Therefore it is vital to master the code or write it somewhere at any moment you lock your thermostat.


To unlock the Emerson thermostat, press the MENU key on the thermostat. From the settings menu displayed on the screen, use the navigation keys to select the thermostat lock option.

You will see the UNLOCK option in the lower right side of the display. Upon pressing the UNLOCK option, you will be required to enter your three-digit secret code that you had set earlier. Press the UNLOCK option again and your thermostat will be unlocked.


What if you forgot your three-digit combination? 

When this happens, all you need to do is to simultaneously press the RIGHT, MIDDLE and the LEFT keys found at the bottom of the screen for about 25 seconds to unlock and eventually reset the code to 000.


Having a background information about the Emerson thermostat unlock can help in times of emergencies. In any case the device becomes faulty, or perhaps you forget your unlock code, you can easily reset your Emerson thermostat and configure it as per your preferences.


Finally, the use of programmable Emerson thermostat has improved the comfort and living standards of homeowners.

It has actually led to increased savings of money, increased efficiency of home operations, maximized energy savings and finally saving on time due to less time adjustments. To ensure that the thermostat is fully operational, regular inspection and maintenance is recommended.

Leave a Reply

Your email address will not be published. Required fields are marked *

Pin It on Pinterest

Share This

Share this post with your friends!