/ / How to Reset RV Comfort ZC Thermostat: 3 Common Issues and Their Fixes

How to Reset RV Comfort ZC Thermostat: 3 Common Issues and Their Fixes

Sometimes RVs have problems with furnace and air conditioner systems that start out small, but yet set the stage for bigger problems. Learn how to reset RV comfort ZC thermostat.

The thermostat on the furnace or Ac unit can be excruciatingly difficult to master. Today, we are going to show you how to fix your RV Comfort Thermostat easily. This step-by-step guide will have a pictorial representation of 6 easy steps to follow.

We will also be covering three easy ways to reset your thermoregulator on typical RV furnaces and common problems you might face. So, let’s get started!

How to Reset RV Comfort ZC Thermostat?

How Do You Reset an RV comfort ZC thermostat

You may have to reset the factory settings in your RV’s thermostat if you have problems. There are a few different methods to choose from, depending on the type of control system in your RV.

If you’re having trouble with your ZC thermostat, follow these steps to reset it:

  1. Turn off the RV and unplug the unit from its electrical outlet.
  2. Remove the “thermoregulator” control knob from its housing by turning it counterclockwise until it pops out of place.
  3. Press down on the “RV thermostat” control knob gently until it clicks into place,
  4. Replace the knob in its housing by pushing it back into place.

Who Makes The RV comfort ZC thermostat?

Who Makes The RV comfort ZC thermostat

Coleman Rv comfort ZC thermostat is made by Micro-Air, LLC. They are a manufacturer of:

  • Home heating
  • Cooling systems,
  • Air conditioners,
  • Furnaces,
  • Pool heaters, and
  • Water heaters.

This thermostat is designed to replace your current Coleman Comfort Multi-Zone thermostat in your RV. The Coleman RV Comfort thermostat can be installed in any RV that uses a single-zone furnace or air conditioner.

How To Operate an RV Comfort ZC?

How To Operate an RV Comfort ZC

If you’re looking for a way to keep your RV’s comfort zone comfortable, then this is the guide for you.

Installing a Comfort Zone Controller can make all the difference in the world when it comes to keeping your vehicle running at peak efficiency.

Here are some of the steps:

  1. Find a spot where you can install the controller (you’ll need access to both 120VAC and AC power).
  2. Next, unplug any lights or other devices that use shore power that could potentially interfere with the installation of your new controller.
  3. Install the software on either your computer or smartphone in order for it to communicate with your controller unit once it’s hooked up!
  4. Now turn the device on.
  5. Set the desired temperature using the up/down arrows; press the select button to confirm your selection.
  6. Press the left arrow to adjust temperature settings, or press enter to save your settings.
  7. Press the right arrow to advance to the next setting or press enter again to save your settings.

Common Problems And How To Fix Them

Below we have listed some common issues and mentioned how to fix them with ease.




1. The thermostat isn't turning on or off correctly.

1.1 Dirty or malfunctioning thermostat sensor.

1.1 Check the wiring and ensure that it is securely connected.

1.2 Loose or disconnected wiring.

1.2 Make sure that the thermostat is correctly set to heat or cool.

1.3 Dead batteries or power interruption.

1.3 Try resetting the thermoregulator by turning the power off and on again.

2. The device is not displaying the correct temperature.

2.1 Incorrectly calibrated thermostat.

2.1 Make sure that the control panel is calibrated correctly.

2.2 Check the sensors to ensure that they are clean and functioning properly.

2.3 If the problem persists, try resetting the thermostat by turning the power off and on again.

3. The thermostat is not responding to input.

3.1 Dead batteries.

3.1 Check to make sure that the switch is powered on and that the house batteries are new and charged.

3.2 Loose wiring.

3.2 If the problem persists, try resetting the thermostat by turning the power off and on again.

3.3 Malfunctioning thermostat.

3.3 Replace batteries and check wiring connections.

4. The RV furnace is blowing cold air

4.1 Filter is dirty or clogged.

4.1 This could also be caused by a blocked or clogged furnace's air filter. Check to see if it is dirty or clogged.

4.2 Ignition System not working properly.

4.2 Make sure that the furnace has sufficient fuel. Check the wiring and ensure that it is securely connected.

4.3 Low LPG in Furnance.

4.3 The RV furnace may be blowing cool air because the thermostat is set to cool.

5. The heater or air conditioner won't turn on.

5.1 Not connected to power source.

5.1 Make sure that the control panel is set to the correct temperature and mode (heat or cool).

5.2 Wiring harness not secure.

5.2 Check the wiring and ensure that it is securely connected.

5.3 Plug is not mounted correctly.

5.3 You need mount it right way.

6. The system won't power on after turning it off to reset.

6.1 Software Glitch.

6.1 Check the wiring and ensure that it is securely connected.

6.2 Breaker fuse wires not secure.

6.2 Make sure that the thermostat is calibrated correctly.

The RV Furnace Is Blowing Cold Air

The RV Furnace Is Blowing Cold Air
Source: https://www.youtube.com/watch?v=e22YK9J8fqg

We can help you fix this problem by adjusting the thermostat on your furnace to make it more efficient. You’ll be able to keep warm inside your RV, and not worry about whether or not you’re blowing cold air every day.

This is a common problem that can be fixed in a few simple steps. Here’s how to fix it:

Fixing the Problem

  1. Make sure that the furnace is plugged in and operating properly by checking for power with an electrical tester.
  2. If your vehicle has a thermostat, make sure it’s set to the appropriate temperature for your climate.
  3. If you have a digital thermometer on the furnace itself, use it to make sure that the temperature at which you want your RV furnace to operate is correct (this should be set at around 120 degrees Fahrenheit).

The Heater Or Air Conditioner Won’t Turn On

The Heater Or Air Conditioner Won’t Turn On

If your heater or air conditioner won’t turn on, it could be for a multitude of reasons. The most common problem is that the circuit breaker has tripped.

Fixing this Problem

To fix this problem:

  1. To do this, you just need to remove the panel that covers your circuit breaker and then flip the switch back on. This will allow you to see if there is a problem with the breakers or fuses.
  2. Make sure all of the connections are secure. To do this, use a screwdriver to tighten any loose screws or bolts. If any wiring is not connected properly, it can cause short circuits that could cause your AC or heater to stop working altogether.

The System Won’t Power On After Turning it Off To Reset

The System Won’t Power On After Turning it Off To Reset
Source: https://www.youtube.com/watch?v=d2E5wgLNzac

If the system doesn’t power on after turning off to reset, there are a few things that you can try.

Fixing this Problem

  1. First, check the unit power cord. Make sure it’s plugged in correctly and that the outlet is functioning properly.
  2. Second, make sure that your device is connected to an outlet that is working properly. If this is not the problem, then try unplugging everything from your device and plugging it back in one at a time until you find a solution.

RV Comfort ZC Thermostat Not Responding

If you have a Comfort ZC Thermostat unit, you may have a problem with it not responding. We’ve put together a few common issues that may cause this problem, and how to fix them.

1. Check Settings

  • First, check your settings on the thermostat itself. This can be done by going into the menu and selecting “Settings” from the top menu bar.
  • You should see an option entitled “thermoregulator” that allows you to adjust your RV ZC Thermostat settings.
  • Try changing some of these settings and see if they make a difference in how well it responds to temperature changes or other inputs from the user interface (UI).
  • If this doesn’t help, try changing any other settings on your thermoregulator such as temperature range, fan motor speed setting, or heating/cooling temperature ranges.
  • Try turning these off completely if you get an error code so that they don’t accidentally affect responses from your RV ZC Thermostat

2. Check Vents

If you’re experiencing a problem with your RV Comfort ZC thermostat not responding, check the vents.

The vents on your RV could be clogged with debris or not properly installed. Check all vents in the RV, both the ones on the wall and those on the roof.

Check vents to make sure they’re open and not clogged. If they are, use a vacuum cleaner to clear out any debris that may be blocking them.

3. Damaged Equipment

If your RV Comfort Thermostat is not responding, you may have damaged the equipment.

Comfort Thermostat

You will need to do these steps:

  1. Turn off your RV Comfort Thermostat by unplugging it from the wall.
  2. Unscrew the thermostat from its housing and then remove it from the unit.
  3. Clean any dirt or debris from around the terminals on the back of the thermostat and make sure that none of them are broken or damaged. If necessary, replace any broken parts with new ones.
  4. Place the new thermostat into its housing and screw it back into place on your RV’s unit.

If this is the case, please contact your nearest dealer for assistance.


If your regulator isn’t responding, here’s what you need to do:

  1. Open the RV Comfort ZC Thermostat.
  2. Disconnect the battery from the trailer.
  3. Remove the battery from your RV ZC Comfort and allow it to cool down for at least 30 minutes.
  4. Reinstall the battery and reconnect it to your RV Comfort ZC Thermostat.

Replacing An RV Comfort ZC AC Unit Thermostat

Here are the steps for replacing an RV Comfort ZC thermostat:

  1. Turn off the power to the thermoregulator. This can typically be done by turning off the circuit breaker or unplugging the RV.
  2. Remove the old thermoregulator from the wall. This may require removing screws or pressing clips to release the thermoregulator from its mounting plate.
  3. Disconnect the wiring from the old thermoregulator. Each wire should be labeled or color-coded, so you will know which wire goes to which terminal.
  4. Follow the manufacturer’s instructions to install the new thermoregulator. This may involve mounting the new RV thermoregulator onto the wall and connecting the wiring to the appropriate terminals.
  5. Turn the power back on and follow the manufacturer’s instructions to program the thermoregulatory.
  6. Test the thermoregulator unit to make sure it is functioning properly.

It is important to follow the manufacturer’s instructions carefully when replacing an RV Comfort ZC thermostat to ensure that it is installed and programmed correctly. If you are unsure about any of the steps, it is a good idea to seek the assistance of a professional.

Can You Replace An Rv thermostat Yourself?

Yes, it is possible to replace an RV’s thermoregulator yourself if you are comfortable working with an electrical wiring harness and have the necessary tools.

RV Toolkit:

  • A Phillips screwdriver
  • A flathead screwdriver
  • A crescent wrench (or similar size) with a tapered shaft (for the thermostat) and a flat blade on one side
  • A pair of pliers with locking jaws that can close around wires and wire terminals
  • A wire stripper
  • Wire cutters

However, it is important to follow the manufacturer’s instructions carefully and to take necessary safety precautions, such as turning off the power to the thermoregulator before beginning the replacement process.

If you are not confident in your ability to replace an RV thermoregulation unit, or if you have any doubts about the process, it is recommended to seek the assistance of a professional. This will ensure that the thermostat is installed correctly and safely, and can help prevent any potential accidents or damage.

How Long Does An Rv thermostat Last?

The replacement thermostat lifespan of any given model will vary depending on its materials and construction, but most Rv thermostats last anywhere from 5 to 10 years with proper care.

RV Comfort ZC Thermostat Fuse Location

The RV Comfort ZC Thermostat fuse is located on the back of the RV thermostat. It protects the Rv’s thermoregulator from overheating or other damage.


How do you set the RV comfort on a ZC thermostat?

Setting the RV comfort is easy! All you have to do is press the “Temp” button until it reads “Comfort”.

Why Is My Rv’s thermostat not working?

The thermoregulator might be dirty or the switch wires are loose.

How do you reset a thermostat without a reset button?

You can reset it without a reset button by simply turning off the switch to the unit and then unplugging it from the wall.

What does a comfort zone mean on a heater?

A comfort zone is an area around your heater that feels warm and cozy. You can adjust the temperature of this zone to match your personal preference.

How do I fix an unresponsive thermostat?

Check your wiring and make sure it’s securely fastened down. If you’re replacing a thermoregulator, be sure to get one that has an updated model number on it. Finally, check all of your connections to make sure they are secure and not touching each other or anything else metal.


With a little bit of knowledge and common sense, you can make sure your furnace is ready to go for the season. Just follow these six steps, and you’ll be enjoying warm air (and saving money on your energy bill) in no time.

We hope that you enjoyed this article and have learned a few helpful tips for solving your RV furnace problems. What problems have you experienced with the Comfort ZC thermoregulator?

And if you have any other tips that you’d like to share, please post them in the comments section below. We would love to hear from you!

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