Reset old honeywell thermostat - As of 2015, Honeywell manufactures more than 60 thermostat models ranging from seven-day digital programmable thermostats to manual thermostats, and all models can be viewed on the...

 
Aug 30, 2018 ... How to program a programmable Honeywell or any brand thermostat. Most programmable thermostats have very similar options and settings.. Canton flea market tx

Jan 3, 2023 · 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. 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, follow these steps: 1. Locate the reset button on the thermostat. 2. Press and hold the reset button for 5 seconds. 3. …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...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 ...Follow these steps to use the app to reconnect the Wi-Fi: Go into your phone’s Settings and turn your device on Airplane Mode. Launch the Honeywell App. Select Thermostat. Click on the Settings wheel. Tap Reset Wi-Fi. Follow the in-app prompts. Press and hold the screen on the thermostat.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 ...This video shows you step-by-step instructions on how to program a Honeywell 2300B thermostat.Check out my video on how to install this Honeywell thermostat ...If you have an older home with an outdated thermostat, you may be missing out on the many benefits that come with upgrading to a newer Honeywell thermostat. One of the key benefits...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 ...Jul 25, 2022 · 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. Press and hold the reset button for 10 seconds. Release the button. Replace the cover. Turn the power back on. For programmable thermostats, the process is similar, but you will need to locate the specific reset button for your thermostat type.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.5/12/23. Please watch this instructional video to learn how to reset in just a few steps the Lyric T series, Lyric Round and our other WiFi thermostat models: How do I reset my …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 ...The thermostat will power on and reset to its default settings; Fix the thermostat back to the wall plate; This method is commonly used to reset old Honeywell thermostat models, such as the 1000 and 2000 and 7000 series. You can use it on both programmable and non-programmable models. How to reset Honeywell thermostat without batteriesHoneywell 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.Honeywell Home CT87K1004 Round Heat Only Non-Programmable Manual Thermostat. Video. Availability: In Stock. Price: $37.95 $53.95. You Save: $16.00 (29% Off) - 5 Customer Reviews. Add to Cart. Mercury free thermostat with simple worry-free operation. Honeywell Classic Round design, world's most popular thermostat. Turn off the thermostat and then lift off the batteries. Reverse the position of the battery, so the positive would be placed in the negative and vice versa. Wait for several seconds and then put the position back correctly. The Honeywell thermostat is going to be reset and enter the factory reset mode. Reprogram the thermostat back to your ... Make sure function 38 is set to 1, then proceed to function 39. Use the up or down arrow to change function 39 function to 0 then press done. WiFi setup will then be displayed on the screen.*. Step 2 – Connect the thermostat to your home WiFi (via an internet browser on your mobile device) After connecting to the thermostat WiFi ...To test the reset and troubleshoot, follow these steps. Firstly, locate the Honeywell thermostat reset button, often found under the cover or in the menu. Press and hold it for 5-10 seconds, then release. This will initiate a reset. If issues persist, check power sources, replace batteries, or ensure proper wiring.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...Step 8: Reset the Thermostat. Problem: Continual Malfunction. Solution: Try resetting by removing and reinserting batteries. Step 9: Seek Professional Help. Problem: Unresolved Issues. Solution: Contact a licensed HVAC professional or Honeywell support. Programmable & Smart Honeywell Thermostats Steps for Smart ThermostatsInstallation. The thermostat can be mounted on 2″ x 4″ J box or on drywall or plaster using included wall anchors (drill 3/16″ holes for drywall; 7/32″ holes for plaster). Connect 1, 2, 3 terminals on the thermostat to 1, 2, 3 terminals on EIM or Zone Panel; see EIM or Zone Panel Installation Guide for wiring diagrams. Set date/time.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. COLUMBIA THERMOSTAT FUND INSTITUTIONAL 3 CLASS- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies StocksFirst, 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.”WiFi Reset: The thermostat connects to the home WiFi from the thermostat menu. Touch the Menu from the thermostat Main screen. Scroll down and touch WiFi Setup. Touch “Change Network”. Select the desired WiFi Network and touch “Connect”. Enter the WiFi password and Touch Next.Read our guide to determine whether a smart thermostat or programmable thermostat is better for your home. Expert Advice On Improving Your Home Videos Latest View All Guides Latest...1) Just like unlocking, get the center button of your thermostat and press on it. 2) Use the plus and minus buttons to get the lock menu screen on your thermostat. 3) Access the lock menu by tapping on the select button. 4) Once on the lock menu, there will be three options; ON, OFF and PART. Each of these has a function.Press and Hold the Menu button for 5 seconds. Scroll Left and Stop at Reset. Click Select on the Factory Reset option. Confirm the “Are You Sure?” Select Yes. The …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.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.Posted: September 05, 2023. Are you struggling with your Honeywell thermostat's settings or facing unexpected temperature glitches? Whether it's due to unresponsive controls, …Step by Step Instructions: Installing a Honeywell Thermostat. 1. Take off your old thermostat safely. Removing the mounting screw to loosen the thermostat. First, cut the power to your furnace before you start the furnace. Each thermostat is a little different – some you can just pull right off the base plate, others like this one have a ...If this does not work, try unplugging the device for several minutes before plugging it back in and attempting a reset again. Old Honeywell Thermostat Not Working . If your old Honeywell thermostat is not working, there are a few troubleshooting steps you can take. First, check the batteries in the thermostat to make sure they are still good.Honeywell is one of the biggest names in home heating. Whether it’s a basic analog thermostat found in an older house or a state-of-the-art smart home interface that manages heatin...About your new thermostat Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to-use, push-button climate control. Features ... the RUN button for 3 seconds to reset the alert. Set 6:30 am 75 M33632 Set Hold Run Change Filter – Press & Hold Run to Reset. RTH2300/RTH221 17 69-2727ES—01104. 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 …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 SupportAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...DIGITAL NON-PROGRAMMABLE THERMOSTAT Manual & Support. RTH111B1016/E1, RTH111B1042/E1, RTH111B1024/E1, RTH111B1016/W1, RTH111B1032/E1. Download Manual.For Total Connect Comfort Users: If you have access to the previous account, delete the thermostat by logging into the Honeywell My Total Connect Comfort account here and selecting MY LOCATIONS listed towards the top of the screen. Select the cogwheel labeled SETTINGS and scroll down to locate the Mac ID and CRC number for …Resetting a Honeywell thermostat is simple and only takes a minute or two to complete. Either refer to your Honeywell control manual to reset it or follow the guide below that outl...Turn off your thermostat. Hold the cover plate and gently pull it to detach from the base plate. Replace all three AAA batteries, aligning with the battery compartment markings. Reattach the cover plate to the base plate. Power on your thermostat and enjoy renewed device functionality.First, start by removing the thermostat wall plate. Then, take out the thermostat’s batteries and place them aside. Next, press and hold the reset button for 10 seconds. When your thermostat has restarted, you’ll need to reset the schedule. This can be done from the Honeywell Smart Lyric Round app.Installation. The thermostat can be mounted on 2″ x 4″ J box or on drywall or plaster using included wall anchors (drill 3/16″ holes for drywall; 7/32″ holes for plaster). Connect 1, 2, 3 terminals on the thermostat to 1, 2, 3 terminals on EIM or Zone Panel; see EIM or Zone Panel Installation Guide for wiring diagrams. Set date/time.In order to reset your Honeywell T5/T5+/T6 thermostat to default factory settings, you will need to follow these steps: First, turn the device on in case it isn’t already. Press and hold the menu button for about 5-10 seconds. Next, press the arrow and navigate till you see the ‘Reset’ option then select it.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.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...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.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. Resetting a Honeywell thermostat is simple and only takes a minute or two to complete. Either refer to your Honeywell control manual to reset it or follow the guide below that outl...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...The thermostat will power on and reset to its default settings; Fix the thermostat back to the wall plate; This method is commonly used to reset old Honeywell thermostat models, such as the 1000 and 2000 and 7000 series. You can use it on both programmable and non-programmable models. How to reset Honeywell thermostat without batteriesIf you need to reset your Honeywell thermostat, the process is quite simple. All you have to do is take off the cover of your thermostat and locate the reset button. Once you’ve found it, press and hold it for about 10-15 seconds until the display on the thermostat resets itself. After that, simply replace the cover and your Honeywell ...Here’s how: Power off the thermostat and remove the batteries. Put the batteries in the wrong way, with negative to positive and positive to negative. Wait ten seconds and put …Honeywell — origins known as Minneapolis-Honeywell — implemented seine iconic complete thermostats, known as “The Round,” in 1953. It’s since old a Honeywell thermometer because you’re likely the come crosswise, although it isn’t the first who company manufactured.You can also reset the WiFi on your Lyric by following these steps: Open the Honeywell Lyric app. Your thermostat should appear under Thermostat Found. Tap SET UP NOW as shown here to continue. If your thermostat doesn’t appear, tap INSTALL A DEVICE and follow the prompts to continue.2. Remove the Old Cover Plate. Unsnap the cover plate or use a screwdriver to remove the screws and lift it off. Be careful when removing the faceplate from an older mechanical thermostat because there's a glass vial inside underneath the cover that contains mercury, and the glass is breakable. Leave the wall plate where it is so you …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. View and Download Honeywell CT3600 owner's manual online. Seven Day Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Wallplate. CT3600 thermostat pdf manual download. Also for: Ct3697.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 …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Honeywell is one of the biggest names in home heating. Whether it’s a basic analog thermostat found in an older house or a state-of-the-art smart home interface that manages heatin...Hygrometers 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...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 ...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 ...Look along the top of the thermostat and locate the button which reads ‘press’. Press down on the button. This will release the battery pack area, which will rotate outward, and then should slide completely up and out. Remove the old batteries and dispose of them properly. Replace with new batteries.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.Mar 18, 2024 ... ... play this video. Learn more · Open App. How to reset Honeywell thermostat in minutes! 251 views · 15 hours ago ...more. ThatOneGuy. 508.Feb 16, 2023 ... HONEYWELL Home T5 | HOW to Use MANUAL Override | Factory RESET | Menu & SETUP | RTH8560D Thermostat. 28K views · 1 year ago ...more. John ...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 …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.Turn off your thermostat. Hold the cover plate and gently pull it to detach from the base plate. Replace all three AAA batteries, aligning with the battery compartment markings. Reattach the cover plate to the base plate. Power on your thermostat and enjoy renewed device functionality.For most thermostats, the CRC and MAC ID are located on the back of the detachable face plate. For RedLINK products, they are located on the RedLINK Internet Gateway. DATE CODE – This describes the date the thermostat was built. For most thermostats, the Date Code is a four-digit code located on the back of the detachable face plate.Remove all the old batteries in the slot. Clean the slot from dust and insert the new batteries. Ensure that you place the positive and negative sides of the batteries in the appropriate positions and slide the slot back into the thermostat. ... Step 7: Reset Your Honeywell Thermostat. When you’ve failed to solve the blank screen problem with ...Tips and Precautions. a) Document Your Settings: Before resetting, make sure to note down your current settings, especially if you have a programmable thermostat. This will help you reconfigure the device more efficiently after the reset. b) Be Patient: During the reset process, allow the thermostat ample time to complete the operation. …If you need to reset your Honeywell thermostat, the process is quite simple. All you have to do is take off the cover of your thermostat and locate the reset button. Once you’ve found it, press and hold it for about 10-15 seconds until the display on the thermostat resets itself. After that, simply replace the cover and your Honeywell ...In order to reset your Honeywell T5/T5+/T6 thermostat to default factory settings, you will need to follow these steps: First, turn the device on in case it isn’t already. Press and hold the menu button for about 5-10 seconds. Next, press the arrow and navigate till you see the ‘Reset’ option then select it.You can also reset the WiFi on your Lyric by following these steps: Open the Honeywell Lyric app. Your thermostat should appear under Thermostat Found. Tap SET UP NOW as shown here to continue. If your thermostat doesn’t appear, tap INSTALL A DEVICE and follow the prompts to continue.Simply click the “Reset Password” button in the email and you will be asked to create a new password. This email will be sent from Connected-Home ([email protected]). If you have not received the password reset email after five minutes, please check the Spam folder of your email account. If your activation …Owner's Manual. RTH2300B1038/E1. Owner's Manual. rth230b. Installation And User Manual. RTH230B - 5-2 Day Programmable Thermostat. Download 1553 Honeywell Thermostat PDF manuals. User manuals, Honeywell Thermostat Operating guides and Service manuals.

This will be a helpful reference when wiring your new thermostat. Tip: If the color of your wires has faded or if 2 terminals have the same wire color, use the wire labels provided in the package to label each wire. 1/4” to 3/8”. RTH5160 Series. 6 Record which R-wire(s) you have and write down the color of the wire(s).. Manatee property tax

reset old honeywell thermostat

View and Download Honeywell CT3600 owner's manual online. Seven Day Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Wallplate. CT3600 thermostat pdf manual download. Also for: Ct3697.Each different Honeywell model will have a slightly different factory reset method, however, as a general rule most thermostats will be reset to factory settings by taking the following action: Switch off the power and remove the thermostat battery. Replace the thermostat battery but in reverse polarity.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...Feb 16, 2023 ... HONEYWELL Home T5 | HOW to Use MANUAL Override | Factory RESET | Menu & SETUP | RTH8560D Thermostat. 28K views · 1 year ago ...more. John ...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 thermostat red lightThe Honeywell RTH2520B thermostat is a home heating and cooling control device manufactured by Honeywell, a leading company in the field of home automation. This thermostat is designed to provide accurate temperature control and energy efficiency for residential dwellings. The Honeywell RTH2520B is built with a user-friendly interface ...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 …More About How To Reset A Honeywell Thermostat • Do I need to reset my Honeywell thermostat after changing batteries?Make sure function 38 is set to 1, then proceed to function 39. Use the up or down arrow to change function 39 function to 0 then press done. WiFi setup will then be displayed on the screen.*. Step 2 – Connect the thermostat to your home WiFi (via an internet browser on your mobile device) After connecting to the thermostat WiFi ...00:00 - How do I turn off the schedule on my Honeywell thermostat?00:38 - How do you override thermostat settings?01:08 - How do I clear my Honeywell thermos...Turn off your thermostat. Hold the cover plate and gently pull it to detach from the base plate. Replace all three AAA batteries, aligning with the battery compartment markings. Reattach the cover plate to the base plate. Power on your thermostat and enjoy renewed device functionality.Honeywell — origins known as Minneapolis-Honeywell — implemented seine iconic complete thermostats, known as “The Round,” in 1953. It’s since old a Honeywell thermometer because you’re likely the come crosswise, although it isn’t the first who company manufactured.Once you have created an Instagram account, you can log in to the social networking site on your iOS or Android device using the corresponding app, or you can log in on any compute...First, start by removing the thermostat wall plate. Then, take out the thermostat’s batteries and place them aside. Next, press and hold the reset button for 10 seconds. When your thermostat has restarted, you’ll need to reset the schedule. This can be done from the Honeywell Smart Lyric Round app.Fix 1: Check if the batteries were installed correctly. Fix 2: Change the batteries! Fix 3: Reset honeywell thermostat after replacing batteries. Other fixes. Inspect the thermostat- something may have gone wrong! Shut the access door (on the furnace) correctly. Reset the circuit breaker/replace the fuse. Replace the Thermostat.The first step in resetting a Honeywell Thermostat is to turn it off. Locate the thermostat’s power switch or circuit breaker and turn it off. Next, remove the thermostat cover. This may require a screwdriver or other tool to remove any screws or clips holding it in place. Once the cover is off, remove the batteries or disconnect the power ...Oct 22, 2023 · Steps to Reset a Honeywell Thermostat. Now that you’re prepared, it’s time for the fun part – actually resetting your misbehaving Honeywell thermostat. Follow these steps carefully and you’ll have that baby working well as new in no time. 1. Shut Off Power at the Breaker WiFi Reset: The thermostat connects to the home WiFi from the thermostat menu. Touch the Menu from the thermostat Main screen. Scroll down and touch WiFi Setup. Touch “Change Network”. Select the desired WiFi Network and touch “Connect”. Enter the WiFi password and Touch Next.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..

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