How to reset ac thermostat honeywell

Get support for your WIFI 7-DAY PROGRAMMABLE THERMOSTAT, from installation and manuals to troubleshooting tips and replacement information. Get the support you need for your WIFI 7-DAY PROGRAMMABLE THERMOSTAT, from installation and programming guides to troubleshooting tips and replacement information. Skip to main content. Our …

How to reset ac thermostat honeywell. To Set your schedule: Touch MENU on the thermostat display, select SCHEDULE. Each Day / Period will be displayed. Touch SELECT to edit each period. Touch the TIME displayed and use the +/ - icons to adjust the start time for the desired period (adjustable in 15-minute increments). Touch the TEMPERATURE displayed to adjust the desired heating or ...

Contents hide 1 Honeywell Home 8000 Wi-Fi VisionPRO Thermostat 2 Quick reference: residential use 3 Connecting to Wi-Fi 4 Registering your thermostat online 5 Setting 5.1 Setting the time/date 5.2 Setting the fan 6 Preset energy-saving schedules 7 Adjusting program schedules 8 Viewing equipment status 8.1 Initiating occupancy mode: commercial use 8.2 Adjusting humidification settings […]

Oct 3, 2023 · You can reset the passcode by following these steps: Remove the thermostat from its base plate. Locate the four-digit date code on the back. Add “1234” to the date code to generate a new passcode. Enter the new passcode through the Menu option on the thermostat to reset the passcode. 6.If that fails to power up the thermostat, you may need to involve a technician. If batteries do power up your common wired thermostat, check your breakers, furnace power switch, furnace door kill switch to insure your system is powered. If your system is fine, and the thermostat only works on batteries, you may need to involve a technician.Home and Building Control Customer Relations Honeywell, 1885 Douglas Drive North, MN10-1461 Golden Valley, Minnesota 55422-4386 1-800-468-1502. In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world.Remove your thermostat from the wall, and open the battery holder on the side of your thermostat. Remove the old batteries and clean the inside of the holder. Insert the fresh set of batteries and close the battery holder. Remount the Honeywell thermostat on the wall again. Ensure that it clicks into position.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. Select the RESET option. 5. You’ll see FACTORY. Click SELECT. 6. The thermostat will flash out a ‘ARE YOU SURE?’ prompt. 7. Confirm YES. 8.To Set your schedule: Touch MENU on the thermostat display, select SCHEDULE. Each Day / Period will be displayed. Touch SELECT to edit each period. Touch the TIME displayed and use the +/ - icons to adjust the start time for the desired period (adjustable in 15-minute increments). Touch the TEMPERATURE displayed to adjust the desired heating or ...

Step 3: Reset Wi-Fi Settings on the Thermostat. Try resetting the Wi-Fi settings on your thermostat. This will clear the connection information. There are different steps for different thermostat models. Here's a helpful link on how to reset the Wi-Fi settings of your thermostat. Look for the Wi-Fi Reset instructions in your specific model ...Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, ... their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand. YOUR SCHEDULE. YOUR WAY.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’.Selecting this option is crucial if you wish to reset your thermostat. Step 4: Confirm the Reset. The last step is to confirm your choice to restore factory defaults. When prompted, click 'Yes' to complete the process. Your Honeywell thermostat will then revert to its original factory settings.Intelligent Alerts add even more layers of versatility by informing homeowners when air filters and humidifier pads require changing. 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.Here are the steps you can take to troubleshoot your thermostat: Press and hold the “Menu” button on your Honeywell Pro Series thermostat. Use the “>” button to navigate through the menu options until you see “Reset”, and then select it. Continue using the “>” button to navigate until you see “Factory Reset”, and then select it.Meanwhile, Honeywell thermostats read both the ambient air temperature as well as the radiant temperature of the objects inside it. The more significant discrepancies in the temperature readings can be explained by that. Also, Honeywell thermostats are designed to round to the nearest whole number.To reconnect your device to WiFi: Make sure your router is online. Remove the thermostat from its wall base. Wait for 1 minute. Add the thermostat back to its wall base. If that doesn't work, try the steps below: To reset the thermostat's WiFi settings. Press and hold the Fan Button and Up Arrow for about 5 seconds to change the screen.

Learn more about the Honeywell Home RTH2300 Thermostat: https://bit.ly/3nm48JXThis video covers entering and navigating advanced programming for the Honeywel...To change the temperature display from Fahrenheit to Celsius (or Celsius to Fahrenheit), please follow these instructions, depending on your thermostat family model. You can change the temperature display by accessing function 14 in the system settings and switching to 1 or 0. Select function 320 and switch to 1 or 0.Touch "Menu" on the thermostat home screen. Then, tap on the left or right arrows until you see SCREEN LOCK, then tap on "Select.". Use the left or right arrows to select the screen lock setting you want. Then, touch on "Select" to confirm. A PIN will appear on the screen. Write it down and keep it safe.Switch off the thermostat, if possible, and remove the batteries. Unmounting the unit from the wall may be necessary. Insert the batteries in reverse polarity, positive to negative and vice versa. Insert the Batteries in the Honeywell Thermostat in the Reverse Polarity. Wait for 10 seconds before removing the batteries.The simplest way to reset a thermostat is to hold the reset button for 5 seconds. Alternatively, try resetting battery-powered thermostats by flipping the battery directions around for 5s, then flip them back. If all else fails, switch off the power at the circuit breaker for a couple minutes. The first step should always be to consult a user ...

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Mount the sensor in a suitable location. Install a sensor on an interior wall, about 4 to 6 feet above the floor. To ensure accurate temperature readings, choose a location away from air vents and not exposed to direct sunlight. Remove the wallplate and mount it 4 to 6 feet above the floor on an interior wall. Drill 3/16-inch holes for drywall ...It’s usually located close to the batteries or in the middle of the faceplate. Step 5: Press and Hold the Reset Button. Hold your reset switch for around 5-10 minutes. This will reset your thermostat back to its original settings. Step 6: Reassemble the Thermostat. Reattach the faceplate of your thermostat.Oct 5, 2021 ... The #honeywell T-6 Wi-Fi thermostat can sometimes begin to lose connection to wifi. First you need to make sure that your wifi produces a ...When your Honeywell thermostat display goes blank, it is likely one of two problems. There could be an issue with your power supply, or one of the thermostat’s safety features has been tripped. A blank display could also mean your thermostat is at the end of its lifespan and needs to be replaced. Below, we’ve compiled a list of all the ...Jul 13, 2023 ... Honeywell Thermostat Instructions ... RESET | Menu & SETUP | RTH8560D Thermostat ... HVAC Why is my thermostat temperature changing for no reason.Detailed Reset Table for Specific Honeywell Thermostat Models. Hold the ‘Heat’ and ‘Off’ buttons simultaneously for 3 seconds. Press ‘Menu’ and select ‘Reset Factory Defaults.’. Hold the ‘Fan’ and ‘Up’ buttons until the screen changes. Go to ‘System’ and select ‘Reset to Factory Settings.’.

Step 1: Shut off the power to the thermostat by switching off the appropriate circuit breaker in the home's circuit breaker box. This precaution is crucial for electrical safety while working with the thermostat wires. Step 2: With the power shut off, the cover can be carefully removed either by pulling it straight out from the wall or ...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 ...Why does my T9/T10 Thermostat fail to power on? Check your wiring to see if you have a C-wire. If you do not see a wire in the C terminal, refer to your Installation Guide / C-Wire Adaptor Guide to install using the c-wire adapter. Then, reset your thermostat by either gently pulling it off the wall near the base of the thermostat, allowing for ...Our thermostat died yesterday, but after replacing the dead batteries with fresh batteries, and confirming the LCD screen was operable, our AC no longer turns on. I have attempted a factory reset on the thermostat, and I do hear a quiet but definitive "click" when I believe it is attempting to activate the HVAC unit, but that's as far as it gets.First, make sure that the humidifier is turned on and set to the desired level. Next, locate the "Humidity" or "Humid" setting on your thermostat and set it to the desired level. Finally, adjust the fan speed to help circulate the air and achieve the desired humidity level. How To Change Aux Heat Setting On Honeywell Thermostat.SKU: RTH221B1039/U1. Easy to Install and Program With the Honeywell Home 1-Week Programmable Thermostat from Resideo, you can customize comfort to fit your weekly schedule. It's easy to install and works with all standard home HVAC systems. SELECT A MODEL: 1-Week Programmable Thermostat.Find the date code/password at the back of the thermostat. Alternatively, you can tap on "Menu" > "Dealer Information". Make sure to note down the date code. After that, return to the Menu and pick "Installer Options". Then, input your password/date code. Pick "Installer Setup".FIND THE USER GUIDE FOR YOUR THERMOSTAT. First, let's identify your device. Select the product you’re having trouble with from the options below. Toebehoren voor BA295I.Tighten Wiring Connections. Inspect wiring terminals on the thermostat and AC control board for looseness. Tighten all loose connections. 13. Cycle AC Unit Power. Turn off the power to the AC unit for 30 seconds, then turn it back on to reset the system and see if the "cool on" flashing light stops. 14.Likely Explanation. Recommended Fix. 1. Honeywell AC Won't Work. The wrong setting, dirty condenser coils, or a non-running fan. Set the thermostat on COOL, lower the temperature below room temperature, and set the fan on ON/Auto mode. Clean dirty coils and ensure the fan is running. 2.Step 3 – Reset the Breakers. Resetting your HVAC equipment from the circuit breaker can help you fix the Wait message if changing the batteries does not work. But first, you must turn off your …

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...

If your Honeywell thermostat isn’t functioning properly after replacing the batteries, you can reset it to get it working again. To do this, remove both of the thermostat’s batteries and then press and hold down the Reset button for around 10 seconds. After releasing the Reset button, reinsert the new batteries and wait a few …Turn ON the thermostat. Press the PROGRAM button thrice. The reset button is located inside a small hole on the front panel of the thermostat and to the right of the buttons. Use a sharp object (toothpick, paperclip, or pin), put it in the hole, and press the button for about 5 seconds. Now, your thermostat has been reset.May 12, 2023 · 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 SupportFeb 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...We were recently asked: why does my thermostat filter keep flashing "filter" even after I change the filter? The short answer is your thermostat actually has no idea when the filter needs to be changed. It is a timer that just needs to be reset after you change your filter.Select your Home Wi-Fi network name and touch “CONNECT”. For hidden networks, touch the “OTHER” button to enter the network name/SSID manually. Enter the password for your Home Wi-Fi …If it displays Set Clock, the thermostat follows weekday "Wake" time period until a time and day reset is done; Fan settings. Press the FAN button to select Auto or 2. If in Auto mode the fan runs only when heating; Press the SYSTEM button to select; Heat: Thermostat controls only the heating system. Cool: Thermostat controls only the ...Honeywell Thermostat Not Turning on Ac . If your Honeywell thermostat isn't turning on your air conditioner, the issue could be due to a few different causes. First, check to make sure that all of the wires connecting the thermostat to your HVAC system are tight and secure. ... Honeywell Thermostat Reset . Resetting a Honeywell Thermostat is ...

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To reset a Honeywell Thermostat Pro Series T6, you can follow these steps: Locate the thermostat on the wall and ensure it has power (check if the display is active). Look for the small gray button located near the bottom of the thermostat. It is usually labeled " MENU " or " SELECT ." Press and hold the button for about 5 seconds until the ...Yes No. Get support for your WIFI 7-DAY PROGRAMMABLE THERMOSTAT, from installation and manuals to troubleshooting tips and replacement information.Put the thermostat back on the wall plate and turn the power back on. 2. Check the Circuit Breaker. If your Honeywell thermostat is still not turning on, the issue may be with the circuit breaker. To check the circuit breaker, follow these steps: Make sure there is power flowing to the thermostat.If your Honeywell thermostat keeps going up to 85 degrees this could be due a thermostat low battery or power interruption that could be causing the thermostat to reset to the default 85 degrees. You may also have an active program schedule that could be causing this behavior. To fix this problem, check the status of the batteries.To reset your Honeywell thermostat, first turn off the power to the unit. Then remove the cover and locate the “Reset” button inside. Press and hold this button for about 10-15 seconds until you hear a beep or see a flashing LED light on the display. Once that happens, release the Reset button and restore power to your thermostat.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...Ok to do a reset as follows: Press and release the "system" and "fan" key at same time. Press and hold "system" and "down" button until screen goes blank and "0680" appears on screen. Press the "up" or "down" to change "0680" to "0710", there should be a flashing "0". Press "up" or "down" key to change "0" to a "1". Press the "done" key.Mar 2, 2023 · When the thermostat calls for cooling, the relay is activated, allowing power to flow to the compressor and fan motors. Once the desired temperature is reached, the relay is deactivated, turning off the power to the compressor and fan motors and stopping the AC. Read also: How to Reset Honeywell Thermostat Without a Reset Button ….

The simplest way to reset a thermostat is to hold the reset button for 5 seconds. Alternatively, try resetting battery-powered thermostats by flipping the battery directions around for 5s, then flip them back. If all else fails, switch off the power at the circuit breaker for a couple minutes. The first step should always be to consult a user ...This Honeywell Home PRO 3000 Non-Programmable Thermostat from Resideo offers basic operation such as a slide switch for selecting heat, cool, or operate the fan. The backlit digital display makes temperature and settings easier to read in various lighting conditions. SELECT A MODEL: PRO 3000 1 Heat/1 Cool Non-Programmable Digital Thermostat.Instructions of Model RTH2510 / RTH2410. Also covers other RTH series thermostats such as RTH2300B+Stay tuned for more videos every week!+Further SUPPORT the...Learn more about Honeywell Thermostats from Resideo at: https://bit.ly/3mD8GLwThis video will show you how to use and Program Schedules for the RTH7600D 7-Da...Step 1: Shut off the power to the thermostat by switching off the appropriate circuit breaker in the home's circuit breaker box. This precaution is crucial for electrical safety while working with the thermostat wires. Step 2: With the power shut off, the cover can be carefully removed either by pulling it straight out from the wall or ...Locate your thermostat on the wall and find the power button or switch. Press the power button or switch to turn off the system. By switching off the AC system on the thermostat, you are ensuring that it is prepared for the reset process. This step will also help to prevent any potentially damaging power surges when the power is restored.The TC500A Commercial Connected Thermostat uses a 4 inch, 480x480 pixel LCD screen for easy navigation and setup. User can select from various options available on the screen by lightly tapping the option on the screen or scrolling through the list.A thermostat is a device that controls the temperature - the heating and air conditioning in your home. It is usually mounted on a wall, usually near an entryway or window. ... In this case, you will need to contact an HVAC technician and have them take a look at the thermostat or replace the thermostat altogether. How to Reset Honeywell ...To reconnect your device to WiFi: Make sure your router is online. Remove the thermostat from its wall base. Wait for 1 minute. Add the thermostat back to its wall base. If that doesn't work, try the steps below: To reset the thermostat's WiFi settings. Press and hold the Fan Button and Up Arrow for about 5 seconds to change the screen. How to reset ac thermostat honeywell, Also, check the breaker that powers your AC and/or furnace. If any breakers are tripped, reset it to the proper position. If you just installed your Honeywell thermostat and it's not working, make sure you've wired it exactly as your previous thermostat was wired. 2. Override the current program. If your programmable thermostat is set to turn …, Dec 31, 2022 ... Nothing is Happening! 10 Common Problems! AC Service Tech LLC•277K views · 11:52. Go to channel · How to Program a Honeywell Thermostat. Word of ..., DIGITAL NON-PROGRAMMABLE THERMOSTAT Manual & Support. RTH111B1016/E1, RTH111B1042/E1, RTH111B1024/E1, RTH111B1016/W1, RTH111B1032/E1. Download Manual., To perform a factory reset, press and hold the settings button while you remove and re-insert one battery. You'll then need to re-link your doorbell push …, How to Reset Honeywell Home Thermostat: Step by Step. 1. First, Tap the Menu Button on the Touchscreen. Find this button in the picture above, at the top right corner of the screen. Then, scroll down by pressing the down arrow key, until you see the Preferences button. The -Menu- screen., Learn more about Honeywell Thermostats from Resideo at: https://bit.ly/3mD8GLwLearn how to reset in just a few steps the Lyric T series, Lyric Round and our ..., How do I reset my TCC password if I don't remember my security questions? Last updated. 1/04/24. Contact Resideo Customer Care at 1-800-633-3991 to reset your password., 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 ..., I have a Honeywell thermostat and it is flashing "filter" - all filters were recently changed within the past 2 weeks. ... If you can give me the model number of your thermostat I can tell you how to reset it. ... Got it and the AC has "kicked on"...finally! I was unable to get the days to change - appeared to automatically default to 90 days ..., Home and Building Control Customer Relations Honeywell, 1885 Douglas Drive North, MN10-1461 Golden Valley, Minnesota 55422-4386 1-800-468-1502. In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world., 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., If your thermostat When the low battery warning appears, press was not wired to run on AC power, then gently to loosen the batteries are required. Page 7 Air Filter Reminder 1 The alert icon appears on the Home screen. 2 Press Menu, and then press until display shows ALRT. 3 Press Select to display which alert(s) are present. 4 The message REPL ..., 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., 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., 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., 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 email went to your Spam ..., Welcome to our channel! In this video, we'll be showing you how to reset your Honeywell thermostat for your air conditioning system.If your Honeywell thermos..., To reset it, press the "Time Up" key. Press the Run Program key when you're finished. In addition, how do you turn off a Honeywell thermostat's filter light? Press the filter button on the thermostat to change the frequency of filter changes, then press the up or down button. Press the "i" key on a Honeywell thermostat until "Air ..., First, set the thermostat to the lowest possible temperature. Ensure that the mode is set to “Cool” and that the fan setting is on “Auto.”. After making these adjustments, give it some time. Check if the AC comes to life or if you experience any change in the room's temperature. This will help determine if the thermostat is effectively ..., Reset Your Honeywell Thermostat. If your AC still doesn't work after you've tried all the troubleshooting methods above, reset your thermostat. Your resetting method may differ based on your thermostat's model ID. To determine your thermostat's Model ID, remove it from the wall and look at its back. Your Model ID is the numbers that ..., 1. 2. The Honeywell TH9320WF5003/U is a thermostat that offers advanced functionality and convenience for controlling the temperature of a home or commercial building. It is designed to be compatible with a wide range of HVAC systems, providing reliable and precise temperature control. This thermostat features a large, easy-to-read display that ..., Welcome to our channel! In this video, we'll be showing you how to reset your Honeywell thermostat for your air conditioning system.If your Honeywell thermos..., To change the temperature display from Fahrenheit to Celsius (or Celsius to Fahrenheit), please follow these instructions, depending on your thermostat family model. You can change the temperature display by accessing function 14 in the system settings and switching to 1 or 0. Select function 320 and switch to 1 or 0., Step 1: Locate the Reset Button. Your air conditioner, a vital player in the temperature symphony, might require a reset as well. Find the reset button on the AC unit—often positioned near the compressor. Step 2: Press and Hold. Once located, press and hold the honeywell thermostat reset button for a few seconds., To set your Honeywell thermostat to cool, start by pressing the “System” button on the left side of the display. Then use the up or down arrows to select “Cool”. Finally, press “Run Program” and you should be all set! Make sure that your air conditioning is running correctly before you finish setting up your Honeywell thermostat., 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 seconds. 3. Remove the batteries and place them back to the correct position. 4. Your thermostat should reboot and the LOW BAT message should ..., Press the blank box in the center of the display and hold it. Change the number on the left to 0900 and the number on the right to 0. Press Done. To reset the schedule: Press the System button. Press and hold the blank box in the center. Change the number on the left to 0165 and the number on the right to 1., 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 ..., Why does my T9/T10 Thermostat fail to power on? Check your wiring to see if you have a C-wire. If you do not see a wire in the C terminal, refer to your Installation Guide / C-Wire Adaptor Guide to install using the c-wire adapter. Then, reset your thermostat by either gently pulling it off the wall near the base of the thermostat, …, If “WiFi Setup” isn’t displayed on the screen, your thermostat may have been previously connected to an-other WiFi network. To “forget” the previous network. Press and hold the “Fan” button and the “Up” arrow simultaneously until the screen changes. Press “Next” until “39” is displayed on the left side of the screen., Sep 18, 2023 · If your Honeywell thermostat isn’t functioning properly after replacing the batteries, you can reset it to get it working again. To do this, remove both of the thermostat’s batteries and then press and hold down the Reset button for around 10 seconds. After releasing the Reset button, reinsert the new batteries and wait a few minutes for ..., If you own a Honeywell digital thermostat, the process of calibrating is easy. Just follow these steps, and you're all set! Step 1: Navigate to the Menu on your Honeywell Thermostat. Step 2: Tap on "Preferences" (Press the Down arrow if you don't see the option) Step 3: Next, tap on "Advanced Preferences". Step 4: Keep tapping on ..., The -Home- screen prior to starting the factory reset Honeywell programmable thermostat procedure. Factory Reset Honeywell Programmable Thermostat: Before You Begin Get your Thermostat Manual. Before restoring to factory default settings, gather your t-stat manual that shipped with it. Or, find that document online at Honeywell's web site.