How Do I Replace Honeywell T6 Thermostat Batteries
If you receive a low battery notification from your app, or you notice a low battery alert on the thermostat itself, you should look to replace your batteries as soon as possible. The app will automatically create a work order for your propertys maintenance team to replace device batteries when they are below 30%, however, you can replace them yourself, if desired.
Replacement Of Series 6000 Honeywell Thermostat Battery
Next on Honeywell thermostats replacing batteries, we will talk about the 6000 series. This model too comes with a feature to schedule the program for the thermostat in advance. This does not just make your work easy, but it also saves a lot of energy.
Apart from that, it has a big backlit LED display that shows both the room temperature as well as the set temperature. Along with all these one of the biggest benefits of this model is its wireless installation which is highly convenient for the consumers.
Coming to the batteries, it will require AA batteries instead of AAA , and honestly speaking, changing the batteries for the 6000 is comparatively easier because of the sliding battery compartment.
Now that know about the basic features and the type of batteries that this model will require, let us talk about the process of changing the dead batteries from this thermostat.
- Switch off the power supply to the thermostat as we have already discussed.
- Then press on the back cover and pull it off to remove the battery holder. Remember, that if you are not pressing it right then the cover from the bottom might not come off that easily.
- Next, slide out the battery compartment. Take out the old, dead batteries and replace them with new AA batteries.
- Ensure that you have checked the polarity of the batteries properly. The and the sign will help you determine the polarity.
- Secure the cover back on the base plate like it was before.
You can now switch on your thermostat.
Honeywell Thermostat 4000 Series
The Honeywell Thermostat 4000 Series uses an upgraded LED display for control to set desired temperatures, control the fan, and more.
The 4000 Series includes the TH4210D and TH4110D models.
Follow these steps to change the Honeywell 4000 thermostat batteries:
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How To Replace The Batteries In Your Thermostat
Replacing your thermostats batteries is a relatively simple procedure and one you should be able to handle yourself. If the thermostat and your heating and cooling systems begin to work after changing the batteries, then job well done.
Follow these steps to replace the batteries in your thermostat using a small, flat-headed screwdriver.
What Kind Of Battery Is Used By Honeywell Thermostat

To replace the battery in a Honeywell thermostat, you first have to know what kind of battery is necessary.
Nowadays, AAA batteries are required for the majority of Honeywell Thermostat models however, certain versions still require AA batteries.
Therefore, before beginning the process of changing the batteries, always be aware of what batteries you require, and it is good to always have some on hand.
Another drawback is that while some of the newest thermostats have sliding battery compartments, some do not, necessitating the opening of the cover plate in order to access the battery compartment.
You may accomplish this by carefully pulling the cover plate away from the thermostats base plate. If necessary, you might have to remove a few screws.
Additionally, be careful to switch off the electricity before you begin changing the batteries to avoid coming into contact with any live wires.
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Replacement Of Series 5000 Honeywell Thermostat Battery
The series 5000 comes with a lot more features. It has a large backlit display which makes reading the numbers very easy even in a dark or dimly lit room. The second-best thing is that it can automatically change between cooling or heating system depending upon the room temperature. It also has the option to adjust the font size at your convenience.
Speaking of changing the batteries, the best part here is that accessing the battery compartment in the 5000 models is very easy because it has a sliding battery compartment and you do not have to separate the cover from the base plate as we did in the previous models. Speaking of the battery type, for the 5000 model, you will be needing AA batteries.
Here are the steps that you need to follow to change the batteries of this series-
- First turn off the power supply as usual for your own safety.
- Next, you need to press and pull the cover to take out the battery compartment from the top right corner.
- Then take out the battery compartment, remove the old batteries and replace them with the new AA batteries. As usual, make sure that you check the polarity properly.
- Now place the cover back on the top just how it was before.
Now you can switch on the thermostat, the batteries have been successfully replaced.
How To Change Battery In Honeywell Touchscreen Thermostat
To replace the batteries in a Honeywell thermostat, follow these steps: Circuit breakers should be turned off. Remove the baseplates battery compartment. Get rid of the old batteries. Batteries must be replaced. The battery compartment should now be attached to the baseplate. Circuit breakers should be turned on.
Similarly, How do you change the battery in a Honeywell touch screen thermostat?
To replace the batteries in a Honeywell thermostat, follow these steps: Circuit breakers should be turned off. Remove the baseplates battery compartment. Get rid of the old batteries. Batteries must be replaced. The battery compartment should now be attached to the baseplate. Circuit breakers should be turned on.
Also, it is asked, Why has my Honeywell thermostat gone blank?
If you have a Honeywell thermostat, the blank screen might indicate that the furnace door isnt entirely shut. These thermostats are set to turn off completely if the furnace door is left open. Double-check that your furnace door is firmly closed to rule this out.
Secondly, How do you reset the battery on a Honeywell thermostat?
How to Reset a Honeywell Thermostat Remove the batteries and turn off the thermostat. Negative to positive and positive to negative are the inappropriate ways to put the batteries in. Wait 10 seconds before replacing them in the proper order. The factory settings for your thermostat will be restored.
Also, Does the Honeywell thermostat have a battery?
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The Effortless Guide To Honeywell Thermostat Battery Replacement
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Working a full-time job and reviewing tech in my free time tends to tire me out.
I decided to take a well-deserved break and nap one summer afternoon.
I couldnt get comfortable enough to nap, and I realized I was covered in sweat.
Being the Smart Home nerd that I was, Id set up my Honeywell Thermostat without a C-wire to take care of this sort of thing so I wouldnt have to. I went over to check it out. The display was blank.
My first instinct was that the thermostat was broken, and Id have to go through the hassle of getting it replaced, but I calmed down and thought about the situation analytically.
I hopped on the Web to do some research and try out some troubleshooting tips.
Turns out the batteries just needed replacing. I decided to compile an extensive Battery Replacement Guide for Honeywell Thermostat.
To Replace yourHoneywell Thermostat’s Batteries, cut off power to the device and slowly pull the cover plate, which sits on top of the base plate. Gently force the batteries out of the compartment, and push in a new set of batteries into the slot, maintaining correct polarity. Refit the cover plate onto the base plate and turn on your device.
Honeywell Thermostat Battery Replacement: What You Need To Know
If you are trying to figure out how to replace the battery in your Honeywell thermostat, you have come to the right place.
Honeywell thermostats are popular thermostats that regulate the temperature of your home using a combination of AC power and battery power. These thermostats connect with air conditioning and heating units to control when theyre activated. In the summer, thermostats regulate temperature and humidity by activating the air conditioning, and in the winter thermostats regulate temperature by activating heating units like furnaces.
If you have a Honeywell thermostat you have to replace the batteries at some point. Even if your Honeywell thermostat only uses the batteries to control temporary AC power interruptions they need to be changed at least once every two years. For models that use batteries as the primary source of power, youll have to change the batteries more frequently.
That said, were going to take you through everything you need to know about Honeywell thermostats and provide you with steps to change the batteries for each model. Read on to learn more!
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Guide On How To Replace The Thermostats Batteries
In principle, it is very easy and straightforward to replace your thermostats batteries. You just put off the power to the thermostat, take out the old batteries, put in the correct new batteries, put everything back, and switch the thermostat on again.
Each Honeywell Series has small variations in the procedure, and therefore I provide you with this Quick Guide.
How To Check The Model Number On A Honeywell Thermostat
I’ve noticed that the model number is typically engraved on the front of thermostats. The model number of a thermostat could be discovered on the back of the thermostat panel or displayed on the LED display if it isn’t engraved onto the front of the device.
Step 1: Make careful to first turn off the circuit’s energy supply. You won’t be exposed to any living wires thanks to it.
Step 2: To replace the thermostat from the base plate, slide it out from the bottom.
Step 3: Back that up and jot down the model number of the thermostat.
Step 4: Install the thermostat in its original place on the base.
Step 5: Replacement Series 6000 Honeywell Thermostat Batteries for Models TH6110D, TH6220D, and TH6320U have been tested.
Step 6: Program Schedule Feature represents one of the Series 6000 Honeywell Thermostat’s most intriguing characteristics. This allows you to schedule features as per the days, which can reduce overall your energy use.
Step 7: These thermostats are simple to replace because the battery compartment slips out.
Step 8: Switch off both the thermostat and also the circuit breaker.
Step 9: To replace the battery holder, push then pull the bottom cover.
Step 10: Place some AA batteries inside the battery compartment after sliding it out.
Step 11: Place the cover back on the base plate the way you fixed it earlier.
Step 12: Before installing the battery compartment, remember to check the battery’s polarity.
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Replacement Of Series 8000 Honeywell Thermostat Battery
This is a brand-new model with a lot of the latest features. This is the model that is compatible with wifi and a large screen display. In this model, you can also set the schedule for the day or even the entire week and control the temperature from any remote location easily through the Total Connect Control App.
Now, coming to the part of changing the batteries. First, let us tell you that this series of Honeywell thermostats will require 3 AAA batteries. Here are the following steps-
- The first step is basic, and this goes for all the thermostats, you need to switch off the current supply and it takes it out of the electrical outlet for your personal safety.
- After this, hold the base plate properly and pull off the front cover. Here holding the base plate will help you exert the required force to pull out the front cover.
- Once the front has been separated, you will see the battery compartment. There, replace the old batteries with the 3 new AAA batteries. Make sure you check the polarity of the batteries properly.
- Put the front cover back on the device, secure it in its position and plug the thermostat back in its position.
And that is it. Your thermostats battery has been changed and it will start to work like before.
Battery Replacement For The 1000 And 2000 Models

These are the very basic thermostat models introduced by Honeywell. This series mainly has non-programmable models for the budget-minded.
The models in this series include TH1100D1001, TH1110D1000, TH1210D1008, TH2110D1009, and TH2210D1007.
Here is what you have to do to replace the batteries for these models:
- Turn off the supply to your thermostat before replacing your battery. Sudden interruption or sudden change in work patterns could harm the proper working of the device in the future.
- Examine your cover-plate for removal. You can either pull it using your thumb, index, and a middle finger placed either at the top and bottom or sideways. Or else you might have to twist or wiggle the base plate a bit and make sure it comes out correctly.
- Once the cover-plates are off, we are ready to find the battery compartment or slot and replace the AAA batteries with new ones. The polarities of batteries should be taken care of while replacing.
- Place the cover-plate back onto the base-plate and make sure it is intact.
- Now turn on the device supply, and you are all set to go.
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Solution #3 Turn The Control Off
If your Honeywell thermostat says low battery with new batteries even after performing the previous solution weve got a proven technique just for you.
Turning the control feature off might be the key to remove the Batt lo message.
At least it appears to be a solution for some people and this is why weve decided to include it.
Here is a step-by-step guide of what you need to do:
Honeywell Thermostat Wont Work After Replacing Batteries
If your thermostat was low on battery and youve replaced them but it still wont work, do the following:
- Set the thermostat to an Off position
- Open the battery compartment and remove the batteries
- Insert them backwards and leave the thermostat on for 5-10 seconds
- Switch it back off, remove the batteries and insert them the correct way
- Switch on your thermostat
Your thermostat is now reset and should be working properly. Check out our other guides on the thermostats and other home appliances.
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Battery Replacement In Honeywell Thermostats: All Models Guide
Honeywell thermostats are some of the best in the business. These thermostat systems are reliable, effective, and widely used. Understanding the ins and outs of your Honeywell thermostat system is essential. One of the most important functions to understand is how to change the batteries in the system, as the thermostat will not function without them.
All Honeywell thermostats that require batteries store them within the control panel. Some models use battery compartments others require removing the faceplate to access the batteries. Locate the batteries on the panel to replace them. Be sure to replace them carefully, in the correct orientation.
Locating and replacing the batteries in a Honeywell thermostat system can be challenging, but it is an integral part of thermostat maintenance. Without functioning batteries, the system will not work. Lets examine the process of changing Honeywell thermostat batteries and how to keep the system running well afterward.
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Changing the batteries on a Honeywell thermostat system is quite simple. It only requires knowing how to locate the batteries and access them.
The battery-powered control unit of Honeywell thermostat systems is integral for the operation of the entire system. Without a functioning control unit, the system will not work. This means that replacing the batteries when necessary is vital to keep the system operational.
Series 5000 Honeywell Thermostat Battery Replacement
Series 5000 comes with Auto changeover feature which enables to switch between heating and cooling both by accessing the temperature of the room. The thermostat comes with a sliding battery compartment and you do not have to open the cover from the base plate to replace the battery.
- Turn off the Thermostat.
- Just press and pull the cover to take out the battery compartment from the top right corner.
- Take out the battery compartment and Replace the battery .
- Now, place the top cover as it was before.
- You have replaced the battery, its time to switch on the Thermostat.
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Thermostat Sill Not Working After Replacing Batteries What Should I Do
In 90% of the cases, the thermostat will be back up as you turn it on. But if it doesnt work, these could be the possible reasons.
- You have not installed the batteries in the right orientation.
- The connection with the live wire is not proper.
- The faceplate is not seated correctly.
Reinstall the faceplate, check the live wire connection, and reinstall the batteries to make the thermostat work. If nothing helps, itd be great to seek expert assistance.