Reset Clock. Press the virtual "Clock" button located along the bottom edge of the thermostat's screen. Press the "Up" and "Down" buttons to manipulate the time displayed on the screen. Press and hold either button to change the numbers more quickly. Press "Done" to save your changes and exit the Clock screen. 1-Week Programmable Thermostat Support; 5-2 Day Programmable Thermostat Support; Single-stage Programmable Thermostat Support; Pro 2000 Horizontal Programmable Thermostat Support; T6 Pro Smart Thermostat Support; T5/T5+ Smart Thermostat Support Feb 26, 2024 · Learn how to reset Honeywell thermostat effortlessly. Find step-by-step instructions and troubleshooting tips for resetting thermostats of various models. To reset a Honeywell thermostat, follow these steps: 1. Locate the reset button on the thermostat. 2. Press and hold the reset button for 5 seconds. 3. …In short, to reset a White Rodgers thermostat, you have to hold the up and down arrows and the “time’ button down for at least five seconds. If you have a smart model, you can reset via settings by selecting ‘reset’. You will then receive prompts on the screen to finish your smart thermostat’s resetting process.Your local energy company may be giving away free smart thermostats—here’s how to get one. There’s no such thing as a free lunch, but there is such thing as a free smart thermostat...How Do I Reset My Old Honeywell Thermostat?-----James Webb (2022, August 7.) How do I reset my old Honeywell thermostat? WHYS.videoCopyright 2022 Jam...Model TH4110U2005 - Will show you how to factory reset +Stay tuned for more videos every week!+Further SUPPORT the channel by purchasing ANYTHING thru my Ama...Honeywell thermostats are known for their reliability and advanced features, but sometimes navigating through the user manual can be a bit overwhelming. When you first receive your...Hold down the weather button on your thermostat for 5 seconds to reset the WiFi network. Then follow the directions in the Lyric app to begin managing your Lyric thermostat. Note: The app will walk you through the full process, including installing the Lyric on the wall. Since the Lyric is already installed, press “Skip Install" to proceed to ...To reset a Honeywell Thermostat, the first step is to turn it off. Locate the power switch or circuit breaker for the thermostat and turn it off. Next, remove the thermostat cover. This may require a screwdriver …Things You Should Know. Locate and hold the reset button for about 5 seconds, or power your thermostat off for 30 seconds before turning it back on. Change dead batteries in your thermostat, or flip the orientation of the batteries for about 5 seconds while the thermostat is turned off. Flip your circuit breaker and leave it off for about 30 ...00:00 - How do I reset my Honeywell thermostat after changing batteries?00:38 - Do I have to reset my thermostat after changing batteries?01:08 - How do you ...Verify that the wiring was matched correctly from the old thermostat to the new thermostat. If there are no separate wires to R and Rc, these terminals must be connected. On some thermostats, this connection is made by a jumper wire connection; on other models this connection is made by a slider switch that has 1-wire and 2-wire settings.Reset Thermostat Schedule. To reset the schedule of your Honeywell 6000 Wi-Fi thermostat, follow these steps: Press and hold the ‘Up’ arrow and ‘Fan’ buttons. There will be a number on the left; change it to ‘85’. There will be another number on the right; change it to ‘1’. The schedule of the thermostat is reset.Hold the Program Selection menu for another second and release You have a fully reset Honeywell 4000S thermostat. 3. Honeywell – 6000WF Series Thermostats. Honeywell 6000WF series models come with Wi-Fi. Hence, you can use three different methods for resetting the machine. You can either reset it manually or reset the Wi-Fi or the thermostat ...All Honeywell thermostats that have batteries store the batteries in the control panel. Locate the batteries by removing the battery compartment tray or cover or by removing the unit’s faceplate. Carefully extract the batteries, and replace them. Be sure to place the batteries in the correct orientation. The battery-powered control unit of ...Select “Factory Reset” and then “OK.”. The thermostat will prompt you to confirm the factory reset. To continue, choose “Yes.”. Wait for at least 5 minutes and then configure your thermostat’s settings from scratch. Your “battery low” message will now be gone as you now, in fact, have a brand new thermostat.1. Honeywell 1000 and 2000 Series Thermostats. 2. Honeywell – 4000 Series Thermostats. 3. Honeywell – 6000WF Series Thermostats. How to Reset the …Apr 30, 2024 · Press on “System”. Then, press and hold the center black buttons for 5 seconds. Choose “Reset Factory Settings”. Wi-Fi Reset. Disconnect the router's faceplate. Briefly unplug the wireless router. Reconnect the power and faceplate. Press “System” on the thermostat. Hold the middle buttons to access a new screen. Model TH4110U2005 - Will show you how to factory reset +Stay tuned for more videos every week!+Further SUPPORT the channel by purchasing ANYTHING thru my Ama...Sep 14, 2023 · To reset a Honeywell thermostat, follow these steps: 1. Locate the reset button on the thermostat. 2. Press and hold the reset button for 5 seconds. 3. Release the reset button and wait for the thermostat to reset. 4. Set the desired temperature and adjust any other settings as needed. Honeywell RTH5160 troubleshooting is fairly simple. First, check the wiring and connections to ensure they are correct. If there is a problem with the power supply or if it has been reset, make sure that all of the functions have been properly programmed. A common issue can be caused by incorrect settings in either temperature or fan speed ...The tutorial will walk you through the steps for programming your Honeywell Pro-2000 Series thermostat.5/12/23. To reconnect your thermostat to WiFi, make sure your router is powered on and broadcasting. Restart your router by pressing the ON/OFF button or by unplugging the device then plugging back in after approximately five seconds. If the problem persists, you may need to reset the thermostat's WiFi connection or reset your home WiFi.Honeywell 6000 Series: If your thermostat falls under the Honeywell 6000 Series category, make sure the thermostat is turned on. Then, press and hold the “Fan” button as well as the “Up” arrow. Hold these for about five seconds, then release them. Press the button on the bottom left until you see “39” on the display.Jun 6, 2019 ... You saved an elderly neighbor of ours who ... Honeywell T6 thermostat tutorial. Steps to ... Honeywell T6- How to Factory Reset. The Smart ...Jul 16, 2023 ... HONEYWELL Home T3 | HOW to use MANUAL Override | Factory RESET & SETUP | Menu OPTIONS Thermostat. 36K views · 9 months ago #CommissionsEarnedHygrometers are used by many professionals to monitor levels of humidity in the air. So, do need one in your home? Advertisement Air has water vapor — or humidity — we are sensitiv...Oct 5, 2023 · Wi-Fi reset. Go to the Honeywell thermostat app. Press the Settings icon on the upper right and look for Reset Wi-Fi. The screen will then guide you through setting up your thermostat’s Wi-Fi connection. Note: After doing all the steps, allow up to 3 minutes for the app and the thermostat to sync. Honeywell has made a business out of helping homes be more comfortable. Today, it is one of the leaders in providing solutions for connected homes, including delivering a variety o...Step 1: Locate the Right Buttons. Depending on your model, you'll typically use the touchscreen interface or physical buttons to perform a reset. Common buttons …00:00 - How do I reset my Honeywell thermostat after changing batteries?00:38 - Do I have to reset my thermostat after changing batteries?01:08 - How do you ...Select “Change Network”. Select the new Wi-Fi network and enter the password. PERFORMING A SCHEDULE RESET. Press the Menu Icon. Scroll down to “Thermostat Information. Record the “Date Code”. Press the “back” arrow, then scroll down to “Installer Options”. Enter the Date Code when prompted to “Enter your password”.Thermostats are in every household, but have you ever wondered how they work? Learn about thermostats and take a look inside a home thermostat. Advertisement If you have specific h...Add 1234 to the noted code. For example, if the code is 2116, adding 1234 gives you 3350. Access the Security Settings in the thermostat’s menu and enter 2764 as the code. Important: Note that many Honeywell Thermostats do not feature a physical reset button. Therefore, the reset button procedure is not applicable to these models.Add 1234 to the noted code. For example, if the code is 2116, adding 1234 gives you 3350. Access the Security Settings in the thermostat’s menu and enter 2764 as the code. Important: Note that many Honeywell Thermostats do not feature a physical reset button. Therefore, the reset button procedure is not applicable to these models.Factory Reset. Tap the “System” button on the unit’s touch display. Press and hold the center box in the row of blank boxes that appears at the bottom of the screen. Change the number of the left-hand side of the screen to “0710”; change the number of the right-hand side of the screen to “1.”. Press “Done.”.In Short, To reset your Honeywell Thermostat: Switch off your Honeywell Thermostat. Remove the batteries. Place the battery in the wrong way, place negative to the positive side and positive to the negative side for 5-10 seconds. After 10 seconds, reinsert them the right way and Voila! your thermostat factory reset is done and it is back to the ...Feb 15, 2022 · To reset a Honeywell thermostat after being notified that the battery charge is low, make sure that you have first, replaced old batteries with high-quality and correct voltage batteries. If you have done this and the message still appears, a factory reset will be necessary. How to Reset Honeywell Thermostat After Changing Filter You can also find detailed instructions on how to reset your model by accessing the user manual for your product. If you don't have your physical copy of your manual, please find your model in the list of Honeywell thermostats, then look for the user manual at the bottom of the product page. You can also access one of the manuals from the list ...View and Download Honeywell The Round CT87K owner's manual online. 24 Vac heating/heating and cooling systems. The Round CT87K thermostat pdf manual download. ... Mark mounting position CT87N 69-1959EFS—02 CT87K For CT87K: If your old thermostat has 4 or more wires (not counting terminals C or C1), you may have …To reset a honeywell thermostat old model, first turn off the power source, remove the thermostat cover, and locate the reset button. Press and hold the reset button for a few seconds until the screen clears, then release the button. Honeywell thermostats are a popular choice for controlling your home’s heating and cooling system.Choose the reset type and confirm. The Honeywell Home app also provides a user-friendly interface for resets. Smart and Lyric Round Thermostats These stylish thermostats streamline the reset process: Press and hold the cloud icon. Select ‘Reset’ from the menu. Use the Honeywell Home app to adjust or program your settings …About your new thermostat Reset Next Done M27536 60 Days Reset Schedule Clock & Mode M27535 System Fan Auto Set To Heat On Change Filter 70 6:01 AM 70 Heat ... or call Honeywell Customer Care toll-free at 1-800-468-1502. M28419 Grasp thermostat and pull to remove from wallplate Insert 2 fresh AA alkaline batteries M28420.Resetting Your Honeywell Thermostat: A Step-by-Step Guide • Get your Honeywell thermostat back to working order with this easy step-by-step guide! Learn why ...Old Honeywell Thermostat Not Working . If you have an old Honeywell thermostat that is not working, there are a few possible causes. First, check to make sure the batteries in the unit haven’t died and need replacing. ... Honeywell Thermostat Reset . Resetting a Honeywell Thermostat is an easy process. All you need to do is locate the …Table of Contents. Honeywell thermostat buttons not working – what to do. Fix 1: Clean the buttons. Step 1: Yank the thermostat off the wall. Step 2: Remove the battery compartment. Step 3: Separate the front (from the back) Step 4: Inspect the front part. Step 5: Clean the dirt off. Step 6: Re-assemble the unit.Model TH4110U2005 - Will show you how to factory reset +Stay tuned for more videos every week!+Further SUPPORT the channel by purchasing ANYTHING thru my Ama...Thermostat. Last Udated: November 3, 2023. Honeywell Chronotherm III thermostat was made around 1977 by Honeywell, Inc. On the front of the thermostat, there is a clock, a thermometer, and two levers (one red and one blue) for setting the temperature. For heating, the left (blue) lever sets the lower temperature for when the …The red, white, green wires are used in the obvious and expected way. The blue wire is used as Y, the demand for cool. (Usually a yellow wire is used for that). You do not have a C wire. You cannot easily use a Nest thermostat with this cable. You need 5 wires. The advice, and photo, you got from Nest support is wrong.First, you should take a look at the type of Honeywell thermostat you have.Then, take a look at the steps below to reset your thermostat to the default settings. The steps include: Honeywell 4000 Series: If your thermostat falls under the Honeywell 4000 Series, make sure the device is on.Then, locate the button titled “Program.”To reset a Honeywell thermostat, hold down the ‘Menu’ button for 5 seconds and scroll over to find the selection ‘Reset.’. Once you have found this, …Honeywell T4R Thermostat Reset. Press and hold the button under the “Menu” symbol and the “+” button together until the display changes (approx. 3sec). Press right the button under the “OK” (right) symbol until “16:FS” is displayed. Select number 1 using the + or – buttons. Press the button under the “OK” (right) to ...If you forgot the pin or passcode to your honeywell thermostat, this video shows you how to reset it.Best price on Denon Wireless Earbuds: https://amzn.to/3R...Old Honeywell Thermostat Reset Techniques for Honeywell 1000 & 2000 Series. Old Honeywell reset procedures tend to be very complicated, especially for very old models like the Honeywell Pro 1000/2000 series. I’ll try to simplify as much as I can: Use the control switch on the bottom of the thermostat to turn it off; Open your home’s breaker-boxStep 1: Locate the Right Buttons. Depending on your model, you'll typically use the touchscreen interface or physical buttons to perform a reset. Common buttons …Step 3: Reset the Thermostat. If the thermostat is still not turning on, perform a factory reset. This can resolve any software issues that may be causing the problem. Note: Performing a factory reset will erase all settings and restore the thermostat to its default state.Mar 28, 2023 ... How to Program a Honeywell Thermostat. Word ... RESET | Menu & SETUP Options. John Franco ... How to change Honeywell Digital Thermostat settings ?The Honeywell digital thermostat is a popular choice for homeowners looking to efficiently control the temperature in their homes. However, understanding how to properly operate an...Nevertheless, you must first unlock your Honeywell Thermostat. You may do this by pressing on one of the following choices, depending on the model you own: Cancel, Cancel Hold, Remove Hold, Run, Run Schedule, or Use Schedule. Some models could have a button specifically for releasing a temporary hold. You may always check it …Every Honeywell thermostat has a reset function, but reset methods vary from model to model. In general, all you need to reset a thermostat is the system itself, but some systems do require additional technology or a small, pointed item, i.e. a needle. Do You Need Your Thermostat Repaired or Reprogrammed?1-Week Programmable Thermostat Support; 5-2 Day Programmable Thermostat Support; Single-stage Programmable Thermostat Support; Pro 2000 Horizontal Programmable Thermostat Support; T6 Pro Smart Thermostat Support; T5/T5+ Smart Thermostat SupportFirst, remove the thermostat cover and make sure the subbase is mounted level on the wall. If it’s not, the mercury switch inside won’t work properly, which can affect the accuracy of the temperature readings. Your subbase will either have leveling posts where you can lay the level, or a flat area at the top or bottom where you can set the ...About your new thermostat Reset Next Done M27536 60 Days Reset Schedule Clock & Mode M27535 System Fan Auto Set To Heat On Change Filter 70 6:01 AM 70 Heat ... or call Honeywell Customer Care toll-free at 1-800-468-1502. M28419 Grasp thermostat and pull to remove from wallplate Insert 2 fresh AA alkaline batteries M28420.1-Week Programmable Thermostat Support; 5-2 Day Programmable Thermostat Support; Single-stage Programmable Thermostat Support; Pro 2000 Horizontal Programmable Thermostat Support; T6 Pro Smart Thermostat Support; T5/T5+ Smart …Honeywell T4R Thermostat Reset Factory. Press and hold the button under the “Menu” symbol and the “+” button together until the display changes (approx. 3sec). Press the button under the “OK” (right) to factory reset the thermostat. honeywell t4 pro series thermostat reset.Common reasons behind wrong readings in your Honeywell thermostat are wrong location or calibration, sensor problems, outdated firmware, wiring issues, or old thermostats. To fix it, find the right location, recalibrate well, update the firmware, fix the sensor issues, and correct the wire connections. When your Honeywell thermostat …2c Complete the instructions for joining your Wi-Fi network and click on the Connect button. (Depending on your network setup, you may see an instruction such as Enter Password for your home network.) Note: If you did not correctly connect to the thermostat, you may see your home router page. If so, return to Step 1.104. 303K views 6 years ago #weareresideo. Learn more about Honeywell Thermostats from Resideo at: https://bit.ly/3mD8GLw Learn how to reset in just a few steps the …Discover the secret to resetting your Honeywell thermostat with ease! In this informative video, we'll show you where to find the reset button on your Honeyw...00:00 - How do I reset my Honeywell thermostat after changing batteries?00:38 - Do I have to reset my thermostat after changing batteries?01:08 - How do you ...To reset a Honeywell thermostat, follow these steps: 1. Locate the reset button on the thermostat. 2. Press and hold the reset button for 5 seconds. 3. Release the reset button and wait for the thermostat to reset. 4. Set the desired temperature and adjust any other settings as needed.Step 2: Select the Desired Setting. Once you have entered the settings menu, you will need to select the desired setting for your override. You can choose from options such as ‘Cool’, ‘Heat’ or ‘Off’. Use the arrows to navigate the different options and press the ‘Done’ button when you choose your desired setting.The Honeywell 8000 series is a programmable thermostat with a touchscreen interface. Here is how to reset these models: Tap the ‘System’ button. Press and hold the center blank box at the bottom of the screen. Change the number on the left-hand side of the screen to ‘0710’ and on the right-hand side to ‘1’. Press ‘Done’.Hold the Program Selection menu for another second and release You have a fully reset Honeywell 4000S thermostat. 3. Honeywell – 6000WF Series Thermostats. Honeywell 6000WF series models come with Wi-Fi. Hence, you can use three different methods for resetting the machine. You can either reset it manually or reset the Wi-Fi or the thermostat ...00:00 - How do I reset my Honeywell thermostat after changing batteries?00:38 - Do I have to reset my thermostat after changing batteries?01:08 - How do you ...The engine thermostat regulates the amount and speed of engine coolant that passes from the radiator into the engine passages. The thermostat closes, preventing water flow when the...The thermostat is a piece of our home we instinctively trust.We rely on it all the time to ensure that we can get comfortable as we relax.Unfortunately, that trusty thermostat could also be the source of confusion and frustration inside your home.One morning, you may find the temperature to be chilly even though your Honeywell …*If your thermostat does not display WiFi Setup remove the thermostat faceplate from the wall plate for 30 seconds and then reattach it. If WiFi setup does not display, enter the Installer Setup (press the System button, then hold the center blank box at the bottom of the thermostat display for 5-10 seconds until the screen changes) and use the ...*If your thermostat does not display WiFi Setup remove the thermostat faceplate from the wall plate for 30 seconds and then reattach it. If WiFi setup does not display, enter the Installer Setup (press the System button, then hold the center blank box at the bottom of the thermostat display for 5-10 seconds until the screen changes) and …The red, white, green wires are used in the obvious and expected way. The blue wire is used as Y, the demand for cool. (Usually a yellow wire is used for that). You do not have a C wire. You cannot easily use a Nest thermostat with this cable. You need 5 wires. The advice, and photo, you got from Nest support is wrong.Google’s Nest unit today launched its newest thermostat. At $129, the Nest Thermostat is the company’s most affordable one yet, but it’s also the first to feature a new swipe and t...View and Download Honeywell The Round CT87K owner's manual online. 24 Vac heating/heating and cooling systems. The Round CT87K thermostat pdf manual download. ... Mark mounting position CT87N 69-1959EFS—02 CT87K For CT87K: If your old thermostat has 4 or more wires (not counting terminals C or C1), you may have …To deregister your Honeywell Thermostat: Select your thermostat’s name. Tap on the gear icon located in the top left-hand corner. Choose “Thermostat Configuration.”. Tap “Delete Thermostat” at the bottom of the screen. Confirm the deregistration by tapping “Yes.”. From here, your device should be unregistered.First, choose your thermostat from the menu below. Then follow the directions for the type of reset you need. Try a different reset if the one you tried does not fix the …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Apr 30, 2024 · To make life easy, we’ve pulled together a list of the top Honeywell thermostat instruction manuals to get you back up and running! Note: Updated May 2023 with manuals for the latest Honeywell Thermostat models RTH8800WF2022 & RTH9600WF along with a few others that were missing from our list. Show Table of Contents. The first thing you want to do is know what model you have to apply the appropriate reset method. Resetting a honeywell thermostat across different models is pretty much the same. The 3 types of reset you can do on a honeywell thermostat are . A factory reset; A wifi reset; A schedule reset; Also read: How to fix honeywell …Honeywell T4R Thermostat Reset Factory. Press and hold the button under the “Menu” symbol and the “+” button together until the display changes (approx. 3sec). Press the button under the “OK” (right) to factory reset the thermostat. honeywell t4 pro series thermostat reset.
Disclaimer/Disclosure: Some of the content was synthetically produced using various Generative AI (artificial intelligence) tools; so, there may be inaccurac.... Flashing cool on honeywell thermostat
Feb 15, 2024 · Add 1234 to the noted code. For example, if the code is 2116, adding 1234 gives you 3350. Access the Security Settings in the thermostat’s menu and enter 2764 as the code. Important: Note that many Honeywell Thermostats do not feature a physical reset button. Therefore, the reset button procedure is not applicable to these models. Learn how to replace a Honeywell thermostat. I will also show you how setup and program the new one.Honeywell Thermostat Wiring - Wire Programmable Thermosta...Hold down the weather button on your thermostat for 5 seconds to reset the WiFi network. Then follow the directions in the Lyric app to begin managing your Lyric thermostat. Note: The app will walk you through the full process, including installing the Lyric on the wall. Since the Lyric is already installed, press “Skip Install" to proceed to ...Open your Honeywell Chronotherm III's cover panel to view the programming buttons. Push the "Day" button repeatedly to reset the programming to a certain day. If you want to reset the programming for each day, simply pick one to start with. Push and hold the appropriate "Period" key for three seconds. For example, if you wanted to reset the ...Reset your thermostat. The steps to reset your Honeywell smart thermostat vary by model. Keep in mind that doing a factory reset will erase all of your settings, including your Wi-Fi connection. If your thermostat has a Menu option or button, such as the Smart WiFi T5, T6, T9, or T10, the option to reset it is in that menu.Advertisement. Honeywell Pro Series T4: Press Unlock on the screen and enter a four-digit PIN on the prompt. If you haven't set one up, the default is 1234. Use the +/- keys to scroll to each digit, and use the Select key to advance to the next digit. Once you've entered the PIN, the thermostat is unlocked.Old honeywell thermostat reset / honeywell thermostat reset older model. Power off the thermostat; Remove the batteries. Put the batteries in the wrong way, with negative to positive and positive to negative. Wait about 10 seconds and then take batteries out; leave them back in the correct way.Checking Thermostat's Calibration - Thermostat calibration is a term related to thermostat repair. Learn about thermostat calibration. Advertisement Here's how to check a thermosta...Old Honeywell Thermostat Reset Techniques for Honeywell 1000 & 2000 Series. Old Honeywell reset procedures tend to be very complicated, especially for very old models like the Honeywell Pro 1000/2000 series. I’ll try to simplify as much as I can: Use the control switch on the bottom of the thermostat to turn it off; Open your home’s …Verify that the thermostat is level using a bubble level. If it’s not, adjust its position until it is. Remove the thermostat cover and use a soft-bristled brush or can of compressed air to clean any dust or debris inside. Locate the calibration switch and gently move it up or down to adjust the temperature reading.If you forgot the pin or passcode to your honeywell thermostat, this video shows you how to reset it.Best price on Denon Wireless Earbuds: https://amzn.to/3R...Opening your Honeywell thermostat is a fairly simple and quick task. There are two different kinds of openings that Honeywell thermostats have. They either have a slide or swing op...Replacing an old Honeywell thermostat usually involves changing to a newer model or to an energy-efficient programmable digital thermostat. This process is straightforward and can ...Feb 25, 2023 ... VIDEO: Replacing an old Honeywell CM927 with Honeywell T3R. ... How to Fix Faulty Honeywell Thermostat Screen. ... How to perform a Factory Reset on ...The tutorial will walk you through the steps for programming your Honeywell Pro-2000 Series thermostat.The Honeywell 8000 series is a programmable thermostat with a touchscreen interface. Here is how to reset these models: Tap the ‘System’ button. Press and hold the center blank box at the bottom of the screen. Change the number on the left-hand side of the screen to ‘0710’ and on the right-hand side to ‘1’. Press ‘Done’.To reset a Honeywell thermostat, follow these steps: 1. Locate the reset button on the thermostat. 2. Press and hold the reset button for 5 seconds. 3. …Feb 5, 2023 · CLICK LINKS BELOW FOR PRODUCTS IN/RELATED TO VIDEO🍒 Here's my thermostat https://amzn.to/3cMWO9X🍒 Upgrade to this one? https://amzn.to/3Sc8L9v🍒 This one... If you know the previous owner, ask them to delete the thermostat from their account (within the app, they’ll tap Settings, then Thermostat Configuration, then Delete Thermostat). If you don’t know the previous owner, contact Customer Care to unregister the thermostat at 1-800-633-3991..