Taking Control of Your Home Comfort: How to Reset a Dometic Thermostat

If you're like most people, you probably don't think about your thermostat until it's not working properly. And if you have a Dometic thermostat, it's easy to reset it yourself when there's a problem.

In this blog post, we will walk you through the process of how to reset a Dometic thermostat.

Overview of Dometic Thermostats

Dometic thermostats are complex devices that control the temperature of your RV. They have many features and differ in form, size, and functionality according to the model you own.

However, all Dometic thermostats share certain characteristics such as a display panel and buttons to adjust settings like fan speed and other options.

Reasons to Reset a Dometic Thermostat

There are several reasons why you may need to reset your Dometic thermostat. Some of the most common reasons include:

  • The RV's air conditioner isn't cooling properly
  • The fan is not operating correctly
  • The display panel is blank or unresponsive
  • Error codes on the display panel
  • The RV is not heating or cooling as expected.

Step-by-Step Guide on How to Reset a Dometic Thermostat

1. Turn Off the Power Supply

The first step in resetting a Dometic thermostat is to turn off the power supply. Depending on your RV model, this can be done either directly at the thermostat or through an external switch. Refer to your owner’s manual for details if needed.

2. Remove the Cover Plate and Disconnect the Wires

Once the power supply is turned off, remove the cover plate from the thermostat and then disconnect all of the wires from it. Make sure to label each one so you can reconnect them in the correct order later on.

3. Reconnect Wires and Battery

Next, take a new 9-volt battery and reconnect the wires to the thermostat in their original positions. Then, reattach the cover plate and turn on the power supply.

4. Adjust Settings and Check for Proper Functioning

Lastly, adjust all of the settings on the thermostat according to your preferences, making sure to follow any specific instructions given in your owner’s manual.

Once you’re done, turn on the air conditioner and check for proper functioning. If everything is working correctly, then your Dometic thermostat has been successfully reset!


Resetting a Dometic thermostat doesn't have to be hard or complicated. Just follow the steps listed above and you’ll be able to do it easily.

Make sure to refer to your owner's manual for any specific instructions, and if all else fails you can always contact an RV technician for help. With a reset Dometic thermostat, you can now enjoy a cool and comfortable camping season!

2 ratings