Honeywell thermostat locked screen

Contents hide 1 Honeywell T3 Programmable Thermostat 2 Thermostat Interface 3 Status Icons 4 Navigation Icons 5 Menu 6 Copy Schedule 7 Device Modes 8 Manual Operation 9 Permanent override 10 Keypad Lock 11 Optimization 12 Table Stand a 7 nd Wall Mount (T3R only) 13 Troubleshooting 14 Reference Honeywell T3 Programmable Thermostat Thermostat Interface […]

Honeywell thermostat locked screen. I have a Honeywell thermostat that is locked up. TH6210u2001 -1831. 2 months locked on heat. Tried several pin - Answered by a verified Home Improvement Expert. ... The screen is locked. I watched a video that said that the PIN for that model was 1234. I tried that but it is incorrect.

The screen is blank. Honeywell Home, Model: TH8321WF1001, less than a year. It was - Answered by a verified HVAC Technician ... honeywell thermostat customer service. hi, i had a poser outage in my hopuse and after power came back my thermostat did nit start and showing setup 101 on the bottm left and onmiddle shows AAPLICVATI ...

VisionPRO Wi-Fi Programmable Thermostat. Model TH8320WF. This thermostat works on 24 volt systems. It will NOT work on 120/240 volt systems. This thermostat contains a Lithium battery which may contain Perchlorate material. Perchlorate Material—special handling may apply.Yes, the Honeywell Home thermostat has a lock function, which can restrict access to the thermostat in two levels: Partial: allows changing the setpoint temperature only. Full: restricts all access to the thermostat. When the function is activated a PIN code is given to unlock the screen of the thermostat. Please take note of the PIN code.Locate the Reset Button: Find the reset button on your Honeywell Pro Series thermostat. It's usually situated near the display screen. Press and Hold: Gently press and hold down the reset button using a small tool like a paperclip or a pen tip. Wait for Reset: Keep the button pressed for about 5 to 10 seconds.Press the center button and hold to unlock the keypad. This will allow you to enter the key code to turn off your lock. Enter your keypad code. With most Honeywell models, the default keypad code is “1234.”. You can punch this in by scrolling through the available numbers using the +/- buttons.Yes, the Honeywell Home thermostat has a lock function, which can restrict access to the thermostat in two levels: Partial: allows changing the setpoint temperature only ; Full: restricts all access to the thermostat; When the function is activated a PIN code is given to unlock the screen of the thermostat. Please take note of the PIN code.Journeyman HVAC Tech. State Licensed Mechanical... 26,621 satisfied customers. The screen is blank. Honeywell Home Smart Thermostat 9000. Honeywell Home Smart Thermostat 9000 color touchscreen TH9320WF. André R. Director. DEC.

Jul 24, 2022 · ︎Honeywell T5 - https://irixguy.com/HoneywellT5This is how to lock the screen on the Honeywell T5 Smart Thermostat. This prevents anyone without the PIN co... This video is a very simple and strait to the point on how to lock out your thermostat screen. This will prevent people from adjusting temperature setting fo...My honeywell thermostat th8320u1008 is locked up. The touchpad is frozen. put in new batteries and still froze. Any - Answered by a verified HVAC Technician. We use cookies to give you the best possible experience on our website. ... My honeywell 8000 thermostat screen is locked up or frozen.WiFi Thermostats. With WiFi Thermostats like our Honeywell Home T9 Smart Thermostat, we bring you helpful, connected products so you can enjoy optimal comfort in your home. Shop online or connect with a Pro for consultation and installation to help manage energy costs while maintaining a comfortable temperature. Home. Shop All …Feb 9, 2022 · How do I unlock the screen? Touch the screen. You will be asked for a passcode to unlock and enter the screen. You will need to add 1234 to your date code. Example: 1234+1632 = 2866 pass code. Nov 28, 2018 · In this video, Richard shows you how to lock and unlock Honeywell T4 Series Thermostats (inc. T4M and T4R thermostats).Honeywell Home T4R are available to bu...

Enabling Lock Security on Honeywell Thermostat. Tap the Menu button on your Honeywell thermostat until you reach Screen Lock; Tap Select; Choose the Lock Option you wish to use: Select Unlocked if you want to allow unrestricted access to thermostat settings; Select Partial Locked if you want to enable other users to change only the temperatureTo Remove the Schedule completely. 1 Press and hold Menu and + buttons for approximately 5 seconds to enter advanced menu. 2 Press Select to enter System Setup (ISU) menu. 3 Press Select to cycle through System Setup numbers. 4 Press + or - to change values or select from available options.No, but I just took the entire thermostat off of the wall...inside is the model number P374-1000. Says SLIMLINE. HVAC Technician: BillyHvac. Try this here. Locking/Unlocking the Keypad. To unlock the keypad, press and hold the MODE button. While. holding the MODE button, press the UP and DOWN buttons. together.The WiFi Smart Color Thermostat works seamlessly with Amazon Alexa and Google Home, as well as our mobile app, so you can control the temperature anywhere inside or outside your home. Smart response technology learns your schedule and temperature preferences to take the guesswork out of programming. Plus, the full-color display is completely ...

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Tap and hold the blank key in the bottom center of the keypad till the display changes. Change the digits on the left side to '0670', using the up and down keys in the middle of the screen. Change the digit on the right-hand side to 0 with the help of the up/down keys. Tap "Done" on the screen to complete the unlock.From https://www.justanswer.com/ythiJustAnswer Customer: TH8320R1003 fully screen locked forgot pass code.JustAnswer Customer: How do I reset this thermostat...Look for the power button on the thermostat and press and hold it for about 5-10 seconds until the display turns off. Once the display is off, release the power button and wait for a minute or two. Then, press the power button again to turn on the thermostat. This should reset the controls and make them responsive again.My honeywell thermostat th8320u1008 is locked up. The touchpad is frozen. put in new batteries and still froze. Any - Answered by a verified HVAC Technician. We use cookies to give you the best possible experience on our website. ... My honeywell 8000 thermostat screen is locked up or frozen.Works on Honeywell T7350 Thermostats and similar modelsIt’s normally in the upper right corner of the screen. Once you’ve obtained the 4-digit number, multiply it by 1234 to get your thermostat’s PIN number. When you’re ready, tap the lock icon to unlock your thermostat. Enter your four-digit PIN. Enter the PIN using the arrow keys and the select button.

RTH8500 Series Honeywell Thermostat needs 4 digit pin. 1 month. Unknown - Answered by a verified HVAC Technician. ... I locked T5 gray screen Thermostat it and tried to use the Pin 1234 to unlock but that doesn't work, I saw a pin on the screen but missed it. It started with a 3.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...just bought a building and it has a Honeywell TB8220U1003 Touchscreen Thermostat.screen is locked out . do you know how to unlkock it ?was told by local heating co to push system then 3rd blank button and change 670 .but when i do this i dont see 670 as any option .Description. Read the user guide on this page to properly set up the operation of the touch-screen programmable thermostat with RedLINK (TH8110R1008). This will allow you to understand the capabilities of the device. The document contains a 44 of pages in English with detailed descriptions and pictures of the Honeywell TH8110R VisionPro 8000 ...Honeywell T6 thermostat Lock and Unlock screen. You have to have a 4 digit pin. We talk about how to find it.Still having issues? Call Honeywell at 1(877)...Thermostats Take control of your home comfort and save on energy costs with a range of Honeywell Home thermostats. From smart WiFi thermostats with room sensors and humidification control, to programmable and non-programmable thermostats, Honeywell Home products meet a variety of needs.Touch system 5 blanks will show on bottom of thermostat. Touth two blanks on either side of center for a few seconds, installer setup will come up. Advance to 670 this is keypad lock se if it is set at 0. If not set at 0. If this does not work at vance to 710 and 1 resets thermostat. I have same thermostat. RussThe thermostat operates between 20-30 VAC, "supplied" to the R/RC terminals and "returning" through the C terminal. A C wire, connected to C on the equipment, is required for the thermostat to power itself. Verify the furnace / air handler door is closed, the power switch is on, and the breakers are on. Confirm you have a C wire in the C terminal.The 4 digit PIN code used to fully or partially lock the screen of the T6/T6R Smart Thermostat cannot be changed and is unique to each thermostat. The PIN code is the sum of 1234 + Date Code. For example, if the date code of your T6/T6R thermostat is 1640, the PIN for the T6/T6R will be: 1234 + 1640 = 2874. Note: 1.The user guide has detailed steps on using the schedule for your thermostat. Screen Lock: The thermostat has 3 settings for the screen lock: Unlocked, Partial Lock, and Full Lock-Unlocked: All settings are adjustable-Partial: Setpoint changes are allowed. All other settings are locked-Full: No changes are allowed. Locking the thermostat: Touch ...All other settings are locked. When SCREEN LOCK is active, a "lock" icon will be displayed on the thermostat display. Press Menu on the thermostat. Press + or - to go to LOCK. Press Select. Press + or - to go to OFF, PART, or ON, and then press Select. To unlock the keypad, press the CENTER button and then enter the password "1234".The Honeywell TH8321WF1001 thermostat is a versatile device that allows you to control your HVAC system efficiently. However, like any electronic device, it can experience issues from time to time. Here are some common problems you might encounter with the Honeywell TH8321WF1001 thermostat and their corresponding solutions: 1.

1) From the locked home screen, press the center button. 2) Enter the passcode. The default passcode when the Honeywell T4 Pro is partially or fully locked is 1234. Press the Plus or Minus buttons to change the first digit of the passcode, then press the Select button. Repeat these steps until 1234 is displayed on the screen. 3) Press the ...

The most common causes for a blank Honeywell thermostat are power supply issues and thermostat wiring problems. Lack of power or a tripped circuit breaker can lead to a blank screen. Check if the thermostat is connected to a power source and ensure the breaker is not tripped. Faulty wiring can also be a culprit.Replace the battery: Remove the old battery and replace it with a new one. Be sure to follow the manufacturer's instructions for inserting the battery correctly. Reattach the thermostat cover: Once the new battery is inserted, snap the thermostat cover back into place. Turn the power back on: Finally, turn the power back on to the thermostat ...There are three different lock settings options available: Full Lock (Shown as “On” on Display) This locks down the entire thermostat keypad, preventing any changes …Non-Programmable Thermostats. For simplicity and comfort control, look to Honeywell Home non-programmable thermostats. From the classic circular dial model to easy-to-use soft-touch buttons and backlit displays, our non-programmable thermostats allow you to easily set your preferred temperature with the touch of your hand. Home. Shop All Products.To do this, find the various schedules on the display on your thermostat. Press the set button to get past the time and day. When you get to a scheduled time you want to cancel, press the hold button for about 5 seconds. Once the numbers on your screen changes to zero, press "Set" to lock in the changes.The FAN selection key has two or three positions: Auto, On, and on select models, Circ (Circulate). The Auto position will allow the system fan to operate whenever the heating or cooling system is turned on by the thermostat. The fan will not blow air unless there is a call from the system. This is the normal setting for a system fan. The On ...The intuitive interface and touch-screen design make this thermostat quick and easy to use. This Honeywell Home T9 smart thermostat features geofencing technology, so you can conserve energy while you're gone and enjoy a comfortable temperature once you return. See all Smart Thermostats. $209.99.Thermostats Take control of your home comfort and save on energy costs with a range of Honeywell Home thermostats. From smart WiFi thermostats with room sensors and humidification control, to programmable and non-programmable thermostats, Honeywell Home products meet a variety of needs.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.Jul 29, 2022 · You can lock your thermostat or partially lock it again. From the thermostat’s home screen, press “Menu,” then hit the + or - buttons until the screen says “LOCK.” Hit “Select,” then choose which lock setting you’d like your thermostat to be on.

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Jun 19, 2022 · Locking the Honeywell T6 thermostat. To lock the screen on the T6 model and prohibit full or partial access to the thermostat, follow these four steps. By scrolling left or right with the arrow on the screen, locate the ‘Screen Lock’ option by tapping the center button labeled ‘Menu.’ Select ‘Screen Lock’ once you’ve found it. Read online Honeywell RTH6580WF User's Manual pdf with better navigation.Printable and downloadable Honeywell RTH6580WF user guide pdf. Brand:Honeywell Product:Thermostats Model:RTH6580WF Page: 140 Page(s)TH4110B 5-2 DAY PROGRAMMABLE THERMOSTAT Manual & Support. TH4110B1009/U, TH4110B1025/U, TH4110B1033/U, TH4110B1017/U. Download Manual Download Installation Guide. Download Service Datasheet. TH4110B 5-2 DAY PROGRAMMABLE THERMOSTAT Product Page.Fully Locked Keys. Partially Locked Screen. Temperature Recovery. Setting Calendar. Advanced Settings. Step 1. User Setup Number 0120: First Two Digits of Current Calendar Year. ... The Honeywell TB7220U is a thermostat designed for easy and efficient temperature control in commercial environments. With its sleek and modern design, this ...67. 53K views 7 years ago. This video is about the Honeywell 9000 Wi-Fi thermostat setting up the Screen lock and resetting the password ...more.Many Honeywell home thermostats have a screen locked mode. This keeps anyone from changing thermostat settings without first entering a password. First, you set this pass code when locking your t-stat. Then, to unlock it, the t-stat asks you to enter this secret code. This then grants full control over settings such as WiFi, temperature, …To reset a Honeywell thermostat that is locked, depending on the model you own, you can remove the batteries from the back of the device. You will then reinsert them facing the wrong charges for 10 seconds, insert them back into the device, then the thermostat will have been reset. ... To reset a Honeywell thermostat when the screen is blank ...1 Easy Solutions for Honeywell Thermostat Blank Screen; 2. 2.1 Power Disruption; 2.2 Batteries; 3 Honeywell thermostat blank screen reset. 3.1 Step 1: Switch it off; 3.2 Step 2: Get a Coin; 3.3 Step 3: Backward Key; 3.4 Step 4: Insert Batteries; 4 Honeywell thermostat screen not responding to touch; 5 Wrap Up ….

On the T6 Pro Series, tap the lock symbol on the screen. On the 8000 series, Hold down both the ‘System’ and ‘Auto’ options and then hold the blank lower center button. I’ve also talked about how to lock all the different Honeywell Thermostats. What are the different Lock Modes in Honeywell Thermostats?Oct 11, 2022 · Here are some quick tips on resetting the factory setting to most Honeywell thermostats: 1. Confirm your thermostat is ON. 2. Press and hold down the MENU button for 5 seconds. 3. Use the scroll buttons to move to RESET. The button should lead to left scrolling. 4. TB7220 COMMERCIALPRO™ PROGRAMMABLE THERMOSTAT. 63-2635—03 18. NOTES: — If batteries are not replaced when the Low Battery. warning is flashing, the LO batt screen displays. continuously and the ther mostat stops operating. until batteries are replaced. — The thermostat has a low battery indicator.Here is how to activate a full-screen lock on your Honeywell thermostat: Click “System” on the thermostat, and five back keys will appear. Press and hold the middle key, and a number will appear on the lower left-hand corner of the screen. Press the “Up” or “Down” keys until the number 0670 shows on the thermostat screen.Mar 5, 2020 · New 470a refrigerant that replaces 410a refrigerant, with Do-It-Yourself kit included..... https://ebay.us/tVSqEvLink to thermostat..... https://amzn.to/39s... Ensure that the thermostat is unlocked and that the rotary dial is in the RUN position. Press the NEXT key for at least 5 seconds. The words "ENTER CODE" will appear on the screen, above "0000". Press the HOLD key for at least 2 seconds. The words "SET CODE" will appear above the "0000". Enter your desired custom code by using ...Never use sharp instruments, such as a pencil or pen, to press touchscreen keys. To prevent damage to the thermostat, always press keys with your fingertip. This manual covers the following models. TH8110U: For 1 Heat/1 Cool systems. TH8320U: For up to 3 Heat/2 Cool systems.Why is the "Cool On," "Heat On," "Snowflake," or "Flame" blinking on the thermostat display? Last updated. 2/22/22. The thermostat has a built-in 5 minute delay to protect your equipment. If "wait" is in the screen or "cool on" is flashing - wait 5 minutes for the system to safely respond.Buy this product as Renewed and save $25.24 off the current New price. Honeywell Home RENEWRTH8560D 7-Day Programmable Touchscreen Thermosat (Renewed) $44.99 & FREE Shipping. Details. (159) Works and looks like new and backed by the Amazon Renewed Guarantee. This item: Honeywell Home RTH8560D 7 Day Programmable Touchscreen Thermostat White. 1,335.The Honeywell RET97B5D1002/U Wi-Fi Thermostat can be remote accessed via a computer, smartphone or tablet. Includes several unique features including 7 day selectable programming, remote viewing of temperature settings, control of system and fan, automatic alerts and more. ... Locking touch screen includes fully locked, partially locked and ... Honeywell thermostat locked screen, The T9 Smart Thermostat works with Smart Room Sensors to help you adjust the temperature from anywhere and stay cozy in the rooms that matter. Place sensors where you want to see each room's temperature and humidity. Use the multi-room display on the thermostat's touchscreen — or in the Resideo app — to focus on rooms based on occupancy or ..., In this video, Richard shows you how to lock and unlock Honeywell T4 Series Thermostats (inc. T4M and T4R thermostats).Honeywell Home T4R are available to bu..., The T4 Pro Programmable Thermostat is easy to install with on-screen menus to display installation steps and a universal mounting system. It's even easier to use with simple push button controls, allowing you to adjust the temperature or set a heating and cooling schedule. Adaptive Intelligent Recovery. Over time, the T4 Pro Programmable ..., Consult your user manual (or a quick Google search) for the exact button combination needed to reset your thermostat model. Perform the Reset: Carry out the reset as instructed in the manual. Give the thermostat a few minutes to reboot. If your screen is functioning as expected after the reboot, the issue has been resolved., This process often involves pressing and holding specific buttons or accessing a reset menu within the thermostat’s interface. Enter the Default Passcode: If the factory reset option requires a passcode, consult the user manual to determine the default code for your thermostat model., Here is how to activate a full-screen lock on your Honeywell thermostat: Click “System” on the thermostat, and five back keys will appear. Press and hold the middle key, and a number will appear on the lower left-hand corner of the screen. Press the “Up” or “Down” keys until the number 0670 shows on the thermostat screen., To Unlock a Honeywell Thermostat, enter the PIN after prompting unlock. To do this on the T4 Pro Series Honeywell Thermostat, press the “Unlock” button. On the T6 Pro Series, tap the lock symbol on …, Also read - How to Install Thermostat Lock Box. #Step 1. Start by standing in front of your Honeywell Home Pro Series Thermostat. On the main screen, look for a 'Menu' button and press it. This is your gateway to make changes. #Step 2. Once you're in the main menu, you'll see various options. Navigate to the one that says 'Program ..., Different ways to secure the panel for Honeywell Thermostats. 3. Check the Batteries. One of the most common causes of issues with thermostats is the battery running out or being faulty. Honeywell thermostats are no exception. Faulty batteries could be causing your thermostat's screen to go blank and unresponsive., In this video I am going to share How to Unlock a Honeywell Thermostat?This way you can know How to Lock and Unlock Honeywell Thermostat?We are going to cove..., Unlock to see our ratings and compare products side by side The ease of manually controlling the thermostat's temperature set-point, heating/cooling schedule, home/away and vacation features ..., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Jun 14, 2009 · 1 = Partially Locked 2 = Fully locked Unlocked: all functions are available. Partially locked nly temperature up and down keys and ability to enter and modify Installer Setup mode are available. Fully locked: only ability to enter and modify Installer Setup mode are available. , Z-Wave Touchscreen Thermostat. SKU: RCHT8600ZW1003/U. 0 Reviews. Write a Review. Flexible technology for optimal comfort. The T5 7-Day Programmable Thermostat's simple installation and setup puts personalized comfort in your hands. Customize it day-to-day or create a special weekend program based on your heating and cooling preferences., To do this, find the various schedules on the display on your thermostat. Press the set button to get past the time and day. When you get to a scheduled time you want to cancel, press the hold button for about 5 seconds. Once the numbers on your screen changes to zero, press "Set" to lock in the changes., Product Overview. With the VisionPRO® 8000 Thermostat, total home comfort control is at your fingertips. Easily manage ventilation and zoning systems through one easy-to-use interface. The 7-day programmable thermostat makes it simple to customize alerts to monitor comfort and energy efficiency. The thermostat comes equipped with RedLINK ..., on next page to match your thermostat to your sys-tem type. *Heat Pump—an air conditioner that provides cooling in the summer, and also runs in reverse in the winter to provide heating. If you are not sure of your system type or if you have other questions, call us toll-free at 1-800-468-1502. This thermostat works on 24 volt or 750 mV ..., A – To rest your Honeywell thermostat pro series, follow the below mentioned steps. STEPS TO FOLLOW: STEP 1 – Check whether your thermostat is in “ON” state or not. If not then bring it into this state. STEP 2 – In the next step, keep pressing the “Menu” button until you witness “Reset” option. STEP 3 – Now select the ..., just bought a building and it has a Honeywell TB8220U1003 Touchscreen Thermostat.screen is locked out . do you know how to unlkock it ?was told by local heating co to push system then 3rd blank button and change 670 .but when i do this i dont see 670 as any option ., Screen Locked, Fully Locked Screen, Partially Locked Screen, Temperature Recovery, Setting Calendar, 25 62-30712, SET CURRENT DAY SET MONTH, USE ARROWS TO SET YEAR AND TIME, M22761, OK TO PICK MULTIPLE DAYS SCREEN LOCKED, CHANGE FILTER UV LAMP HUMIDIFIER PAD ... Thermostat Honeywell TB8220U Screen Locked. 1. 32. Download 32 pages, 960.86 Kb ..., RTH8500D Touch Screen Programmable Thermostat. The RTH8500D Thermostat provides electronic control of 24 V ac heating and . ... The Honeywell RTH8500D is a thermostat designed to provide precise temperature control for residential heating and cooling systems. This thermostat features a large touchscreen display, making it easy to …, Manage your smart home comfort from anywhere with the WiFi 9000 Color Touchscreen Thermostat. Monitor or adjust your heating and cooling temperatures via computer, smartphone, or tablet. Stay aware with system alerts via email or the Total Connect Comfort app. SELECT A MODEL: WiFi 9000 Color Touchscreen Thermostat., To lock and unlock a Honeywell thermostat, the most popular method is to go to the lock screen and enter the correct key code, followed by “SELECT.” Honeywell thermostats are divided into three …, Follow a simple step-by-step procedure to reset the screen-lock on your Honeywell 8000 thermostat. Press the "System" key to access "Advanced Settings." Five blank touch-keys will appear on the screen between the "Done" key and the "Cancel" key. Push and hold the center blank key for five seconds. A "User Setup Number" will appear in the lower ..., Honeywell T6 thermostat Lock and Unlock screen. You have to have a 4 digit pin. We talk about how to find it.Still having issues? Call Honeywell at 1(877)..., Don't see any reset features or batteries for this thermostat. Sometimes installing the batteries backwards will reset the system. Not much else I can offer for a solution except to contact Honeywell direct and they may have a way to communicate with it over the WiFi, if not it may have to be replaced if it won't unfreeze., To do this, find the various schedules on the display on your thermostat. Press the set button to get past the time and day. When you get to a scheduled time you want to cancel, press the hold button for about 5 seconds. Once the numbers on your screen changes to zero, press "Set" to lock in the changes., The Honeywell RTH9585WF1004 Wi-Fi Smart Color Programmable Thermostat offers the best of both worlds in performance and versatility by utilizing Amazon Alexa and a selection of Smart/Intelligent Features. The Honeywell RTH9585WF1004/W Wi-Fi Smart Color Programmable Thermostat is compatible with: Amazon Alexa; SmartThings; Google Home; IFTTT, 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, From the Manufacturer. Honeywell Home - Smart Color Thermostat with Wi-Fi Connectivity - Silver. Model:RTH9585WF. SKU:5845300. 4.5(2,163 Reviews) $124.99. Save $55., To reset, turn on the thermostat and press the "Program" button thrice. Then find the reset button located inside a small hole on the front panel of the thermostat and use a sharp object to press the button for about 5 seconds. Now your thermostat has been reset. The Honeywell thermostats 6000, 7000, 8000 and 9000 series, If you replaced the batteries on your CT3200, CT3300, T8112, T8132 thermostat and are still getting the LOW BAT message, follow these steps: 1. Remove the batteries from the thermostat and place them in the opposite / wrong / incorrect position in the thermostat place the (+) on the (-) and vice versa). 2. Leave the batteries like that for 30 ..., Choose your desired mode and tap "Done.". Afterward, head back to the home screen and adjust the temperature by using the up and down arrows. (You can also adjust the temperature setpoint first and then change the mode if required) The display will then indicate "Heat to" or "Cool to" with the target temperature.