How To Reset A Carrier Thermostat

Carrier thermostats, like all thermostats, may occasionally need to be reset to ensure they’re functioning properly. If you notice that your Carrier thermostat isn’t working as it should, we have asked HVAC experts for the recommended way to reset it. 

Most Carrier thermostats can be reset by holding down the reset button for five seconds. Reverse the battery directions on thermostats powered by batteries for five seconds. You may also try shutting off the power for a few minutes at your circuit breakers in case everything else fails.

The above reset method may or may not work for you, depending on the model of your carrier thermostat. Continue reading to learn more about performing a carrier thermostat reset for different models.

Programmable thermostat set to 68 degrees. Isolated on blue background with dramatic lighting, How To Reset A Carrier Thermostat

Why is My Carrier Thermostat Not Working? 

Having a malfunctioning Carrier thermostat may be problematic. Here are some reasons why your Carrier thermostat might not be working.

The Thermostat Batteries Have Run Out

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Batteries are the first thing you should examine if your thermostat goes blank. The thermostat may not be able to turn on because the batteries have run out. Change the batteries in your thermostat and observe whether it turns on after doing so.

The Circuit Breaker Failed

In most homes, thermostats are connected to the central electrical system. A thermostat or other electrical source may trip the circuit breaker, resulting in power outages. If the batteries have been checked, also check the breaker.

HVAC Safety Switch is Tripped

Ensure your HVAC systems are in working order if you've already tried steps one and two and are still experiencing issues.

When there is an underlying problem with your HVAC system, the transformer may stop delivering power to the thermostat, causing the thermostat to stop sending voltage. Make sure that your air conditioning system's drain pan safety switch is in working order, for starters.

The safety switch is designed to shut down your system if it detects problems like too much moisture or too high temperatures. Call your local HVAC company for an examination if you discover that the sensor has gone off when checking the safety switch.

You Have a Faulty Thermostat

If everything else fails, it is possible that your thermostat has reached the end of its serviceable life and should be replaced. Even though each thermostat is unique, the average lifespan is around ten years.

How to Reset a Carrier Thermostat

There might be model-specific ways to reset your thermostat if the preceding general method did not work. Here are ways to reset different models of a carrier thermostat. 

Carrier Infinity Thermostat 

Keep in mind that this device is powered by the central unit and does not have any batteries. Simply remove your carrier infinity thermostat from the wall and then re-plug it to reset it.

Carrier Edge Thermostat 

  • Open the doors of the thermostat.
  • Press and keep holding the buttons located beneath the heat and set points at the exact moment.
  • To trigger the reminder, you must keep pressing the device's set button over and again until it flashes.
  • To get rid of the reminder, you need to push and keep holding the button that says "done" for three seconds.
  • Once more, press the button labeled "done."
  • Put the door back on the thermostat.

Carrier Comfort Zone 2 Thermostat 

  • Disconnect the system's power source.
  • Remove the thermostat's batteries and let them sit out of the device for a few minutes to reset the accessory completely.
  • Replace the batteries, and then do the process all over again.

Carrier Cor thermostat 

  • Tap the "Main Menu," then "Settings," and finally "Reset" to get started.
  • Now choose the appropriate option from the reset menu.
  • To continue to the confirmation of the reset, touch the "Yes" button.

As a result, any configurations of the thermostat made during the installation process will be wiped clean, and you will be required to reconfigure it.

How Long Do Carrier Thermostats Last?

Like any other electronic device, you may expect your thermostat to get dated with time. Ten years is the average lifespan of most thermostats in the house. However, when newer, more energy-efficient thermostats hit the market, you may need a replacement sooner rather than later.

What is the Hold Button on a Carrier Thermostat?

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In a sense, it's like an override switch. Temperatures can be programmed differently using the thermostat's hold button. It'll keep this new setting until you return to your regular setting. 

There are two kinds of hold settings which are:

  • Permanent Hold
  • Temporary Hold or “Hold Until.”

Permanent Hold

If you choose the "Permanent Hold" option, the scheduling override will remain until you manually remove it.

Temporary Hold or “Hold Until”

The temporary hold, often known as "Hold Until," maintains the new temperature for a certain length of time that the user specifies. After that, it will immediately go back to your regularly scheduled setting. 

Short-term adjustments to the thermostat, such as a day off amid the week, are ideal for the "Hold Until" option. "Permanent Hold" is an option if you need to leave town for an unknown amount of time. You may manually reset the thermostat to its pre-programmed settings when you return home.

Does My Carrier Thermostat Have a Battery?

This depends on the thermostat model you're using from the carrier company. While some thermostats require a battery to function, others may operate without one. These thermostats still require a power supply; therefore, they use line voltage or a C-wire to get the job done. 

The Carrier Infinity thermostat smart system is an example of a carrier thermostat that does not use batteries. Some batteries may be installed in your thermostat to keep it working even if there is no electricity. Batteries can also be used as a power source in some circumstances.

Why Can't I Adjust My Thermostat?

Controlling temperature to conserve energy power consumptio

If your thermostat doesn't adjust the temperature, there are several ways you can do it. Let's look at some of the most prevalent causes of this problem and see some possible solutions to fix them.

Locked Thermostat

Several digital thermostats can be locked. It is helpful for parents who don't want their children or others to turn up the heat or air conditioning.

Hold down the "Mode" button while simultaneously pressing the "Up" and "Down" arrow buttons to remove your carrier thermostat from the lock mode. This will switch the mode. The locked symbol will vanish in a second or two at the very most.

The Thermostat is Set to Automatic

Some models don't allow you to adjust the thermostat temperature when in Auto mode. The automatic mode employs pre-programmed temperatures, so it is energy efficient. "Heat" or "Cool/AC " mode must be selected to override the temperature setting manually.

The Installer Set Temperature Limits

Thermostats often include the ability to set high or low limits so that once the desired temperature is reached, the thermostat will not make any more adjustments. A correctly sized HVAC system will not heat or cool your home over 85 degrees Fahrenheit or below 55 degrees Fahrenheit. Those temperatures would need a system that is larger.

It Has Reached its Maximum or Minimum Temperature Setting

The temperature range that most thermostats can control is typically between 40 and 99 degrees Fahrenheit. If you're attempting to modify the temperature from the current low or high setting, it will not change.

It's Time to Clean The Thermostat

When it is time to clean your thermostat, you can run into issues. Dust, grime, and lint can accumulate over time, posing a threat to your unit's sensors or other problems. This can potentially lead to an inaccurate measurement of temperature.

One solution is to remove the thermostat cover and thoroughly clean the device. Wipe away dirt and other debris with a soft-tipped brush or cloth for best results. There are exposed wires that might be destroyed if you're not careful.

It's Time to Replace Your Batteries

Temperature settings may not change when you want them to because of low battery power in thermostats, which can cause problems like this.

Broken or Damaged Thermostat Sensors

Multiple sensors help thermostats operate. One or more of these sensors may be broken or damaged if your thermostat cannot attain the appropriate temperature. Depending on how you first set the thermostat, you may end up with a temperature reading either higher or lower than what you had intended. 

Unfortunately, repairing a sensor that has been damaged is difficult. Most of the time, a new thermostat is necessary. Call an HVAC technician if you suspect that your thermostat sensor is faulty or damaged.

What Does Permanent Hold on Thermostat Mean?

The "Permanent Hold" option is used to key in a particular temperature effect until you manually remove it.


Close Up Of Mature Woman Adjusting Central Heating Temperature At Home On Thermostat

A properly functioning thermostat is essential for a home's comfort in any weather. In addition to following the instructions in your thermostat's handbook, it's critical to understand when to seek the help of a professional. 

For related articles on thermostats, read these engaging articles: 

What Temperature to Set Thermostat When Away On Summer Vacation?

Thermostat Says Auxiliary Heat On - What to Do? 

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