How to reset an Emerson Sensi thermostat

A faulty thermostat not only causes extreme discomfort but will also make your utility bills skyrocket.

To prevent such inconvenience, it is essential to know how to reset it to its factory settings. From there, you can apply the right settings based on how you use your thermostat.

Resetting a thermostat looks easier said than done as all thermostats are programmed differently, and the user manual may be hard to decipher if you are not tech-savvy.

Keeping that in mind, here’s a detailed guide on how to factory reset an Emerson Thermostat. We have also provided relevant info to know before you perform the reset.

When should I reset an Emerson Sensi thermostat?

Did you know that resetting your Emerson Sensi thermostat once a month is one of the ways of properly maintaining it?

Apparently, a reset will help to prevent some of the problems that eventually lead to glitches. However, that’s not the only reason to reset it.

You need to reset your Emerson Sensi thermostat if you experience any of the following:

  • Whenever you get an additional HVAC system in the house, especially if it is near the original Emerson Sensi one
  • If your thermostat starts making weird sounds
  • You feel the temperature control is not at par with your settings
  • If the display keeps notifying you of random errors
  • The Keypad lockout is off or whenever your thermostat’s display or buttons stop working
  • The HVAC controls are not accurate; for example, when the temperature on display does not match the indoor temperature

How to reset an Emerson Sensi thermostat (different models)

Contrary to popular belief, not every Emerson Sensi thermostat shares the same factory reset procedure.

Each model type has different keypad controls; hence the procedure is unique. With that said, you must confirm the exact model you have to know which procedure you are to go with.

The model type is permanently printed on the original packaging and the user manual that the thermostat came with.

If you have neither of the two, then consider checking the back of the cover plate of your thermostat.

To do this, simply detach the thermostat from its wall plate but be careful of the potentially exposed wires.

Emerson Sensi Touch smart WI-FI thermostat

Emerson Sensi thermostat

To reset an Emerson Sensi Touch WiFi thermostat:

  1. First, you will need to access the settings. You can either go to the thermostat’s location or connect to it through the Emerson Sensi app. If you are using the latter, press Menu on the display. If you are using the app, click on Unit to control and select Settings.
  2. Click the About Thermostat icon, which will give you the option to clear all data.
  3. Click the Clear All Data option then select Network Settings
  4. Finally, press Factory Reset and wait for a few minutes to erase all saved settings.

Emerson Sensi 80/70 series

Emerson Sensi Wi-Fi thermostat
Image: Emerson

If you have an Emerson Sensi 80/70 series, you can reset it as follows:

  1. If you have not done it already, detach the thermostat from the wall by clasping it on opposite sides then tagging it slowly towards you.
  2. Remove the batteries from their allocated spot and leave them like that for at least three minutes before returning them.
  3. Press down the menu icon and arrow down button for at least a minute or a few seconds after the display goes black.
  4. Wait for the display to turn back on before keying in your new settings.

Emerson Sensi Blue series 2

Emerson Blue Series 2 inch
Image: Emerson

For the Emerson Sensi Blue series 2, follow these steps to reset:

  1. Depending on your model, press the Up/Down button subsequently with the time/program button for at least one minute
  2. Remove your fingers from the buttons when the display comes back on
  3. Key in your new settings

In the event that the first method does not work for you yet you are sure your thermostat falls in this model category, then consider using the steps below;

  1. Confirm that your system switch is in ‘Hot’, ‘Emergency’, or ‘Cool’
  2. Press and hold the up button with the time button until a few seconds after the display goes blank.
  3. Your thermostat will be reset once the screen comes back on.

If everything else fails…

If the above steps do not work or your display remains blank, you need to do a complete factory reset.

  1. Switch the power source of the thermostat off
  2. Remove the thermostat from the wall to expose the backplate.
  3. Detach the wires from terminals R and C
  4. Remove the batteries from their designated spot
  5. Wait for four at least three minutes before reconnecting the wires and returning the batteries.
  6. Switch on the power source, and your display should be back on as you have just factory reset the thermostat.

Note that you need to switch the power source off before you attempt to reset your Emerson thermostat through the procedure above. Failure to do so may result in injuries.

More About Thermostats

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