Honeywell thermostat pro series cool on flashing

Troubleshooting guide: Why is your Honeywell thermostat flashing 'Cool on'? Get answers to fix HVAC issues fast...

Honeywell thermostat pro series cool on flashing. 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 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 ...

Page 1 Fa n Auto PRO 1000 Series Cool Cool Non-Programmable Thermostat Of f Heat Operating Manual 69-2798 EFS...; Page 2 This manual covers the following models: TH1100DV: For 1 Heat systems TH1110DV: For 1 Heat/1 Cool systems TH1210DV: For 2 Heat/1 Cool heat pump systems ( Pull thermostat from wallplate and turn over to find model number. ) CAUTION: EQUIPMENT DAMAGE HAZARD.Make sure heating and cooling temperatures are set to acceptable ranges: Heat: 40° to 90°F (4.5° to 32°C). Cool: 50° to 99°F (10° to 37°C). "Cool On" or "Heat On" is flashing. Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely, without damage to the compressor. 5-year limited warranty Smart Response Learning. The T6 Pro 7-Day Programmable Thermostat learns your heating and cooling cycle times to deliver the right temperature when you want it. With precise temperature control, the thermostat can automatically change from heating to cooling to help maintain the temperature you like most. Intuitive Design. 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).Honeywell Th1110D2009 Troubleshooting. 1. Check the power source to make sure it is connected and working properly. 2. Make sure all connections are secure, including any wiring that connects the thermostat to your HVAC unit or other components of your home heating/cooling system. 3.

Last updated. 2/22/22. The temporary hold setting is when you change the temperature setting to a different temperature and it stays at that setting until the next schedule change. The permanent hold setting holds the temperature setting you have chosen for an indefinite time. This overrides your scheduled settings.Wait 5-10 minutes. Your thermostat could be facing a slight delay in restarting and activating …Hello I have a Honeywell T4 Pro that was flashing "Cool On" on the right side of the screen. Nothing seems to help I did replace the batteries and it stopped blinking and now it is solid "Cool On" When I run the test it does kick the AC on. So the AC itself is fine. It seems like it is something with the thermostat. It has fresh batteries.I have a Honeywell home pro series, the cool on is flashing but the ac will not come on. ... I need a QR code to connect my Honeywell pro-series thermostat to apple mini HomePod. Thank you. ... I replaced the batteries to my Honeywell T4 Pro. The "cool on" is blinking in the upper right hand corner of the thermostat, the air does not come on. ...Do all the fixes fail for you? Don't worry; one last troubleshooting is available. Try a factory reset to your thermostat. Sometimes, smart devices develop irregular glitches and function unusually. It is obvious for old devices, so power cycling or resetting the thermostat would fix the honeywell pro series thermostat cool on flashing problem.Aug 4, 2023 · Honeywell AC thermostats have a cool-on blinking light that indicates the unit is working to cool down the room. This could be due to either an incorrectly set temperature or because of an issue with the thermostat itself. If you find your Honeywell AC thermostat’s cool on light blinking, first check and make sure that you have selected a ... La boîte comprend : Thermostat T4 Pro. Système de montage UWPTM. Adaptateur d’installation standard Honeywell (adaptateur boîtier de raccordement) Plaque de couvercle décorative Honeywell – Petite; dimension 4-49/64 po x 4-49/64 po x 11/32 po (121 mm x 121 mm x 9 mm) Vis et chevilles. 2 piles AA.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 …

Description. Use Honeywell TH8320U VisionPro 8000 Series touch-screen programmable thermostat (TH8320U1008, TH8320U1016) to set the correct temperature in your home. Thanks to the large number of settings, you will be able to choose the right mode and convenient parameters. In the operating manual on 32 pages you will find all the information ...Press and hold the Fan Button and Up Arrow for about 5 seconds to change the screen. Press Back Button or Next Button until 39 appears on the left. Press the Up or Down Arrows to change the number on the right to 0. Press Done Button. "WiFi Setup" will appear on the thermostat screen after 1-2 minutes. To reconnect the thermostat to WiFi.Usually, a Honeywell thermostat will enter Recovery mode when it needs to adjust from a mode that is energy-saving. When this happens, it will turn on your HVAC system before the time you scheduled a certain temperature, so it will get the chance to adjust gradually. For instance, if you set up your thermostat to offer you a temperature …Table of the default schedule on a Honeywell 8000 series thermostat. As you can see in the graphic above, the Return/Home period is set to 6.00 P.M. the time when most homeowners return after work. Also, the “Away” temperatures are decreased/increased to minimize power consumption by your AC or Heat Pump/furnace. Customizing Your ScheduleDue to drained batteries, the heating or cooling feature of thermostats malfunctions. Go to your thermostat’s display and see the battery level. Insert the batteries of the required voltage so that your thermostat performs well. Replacing the batteries can debug the Honeywell thermostat won’t switch to cool. 4.Make sure the temperature is set higher than the Inside temperature. Set system switch to Cool. Make sure the temperature is set lower than the Inside temperature. Wait 5 minutes for the system to respond. Check circuit breaker and reset if necessary. Make sure power switch at heating & cooling system is on.

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First check that the thermostat is set to the Heat position. Make sure the temperature is set higher than the Inside temperature reading. Also check the circuit breaker and reset if necessary. Make sure that the furnace door is closed securely. If “wait” is in the screen or “heat on” is flashing – wait 5 minutes for the system to ...Summary of Contents for Pro T705. Page 1 Operation Manual Operation Manual... Page 2 T705 Pro1 Technologies 1111 S. Glenstone Ave., Suite 2-100 Springfield, MO 65804 Toll Free: 888-776-1427 Web: www.pro1iaq.com Hours of Operation: M-F 9AM - 6PM Eastern Table of Contents Page Caution: Table of Contents Thermostat Quick Reference Equipment damage ...Resetting the Honeywell thermostat to the default factory setting will delete all your saved settings. Follow the steps below to reset the Honeywell Vision Pro 8000 series. Press the "MENU" button. Go to the "PREFERENCES" tab. Scroll down and click on "RESTORE TO FACTORY DEFAULT.". Tap "YES" to confirm the factory reset.Cool on flashing is usually a time delay before starting the compressor. Yup, it stops flashing once time delay is over and unit is running. Turn the unit off, hose the coil of the outdoor then turn it back on. If it still doesn't work call a technician. Listen to this guy.

T6 Pro Thermostat UWP Mounting System Honeywell Standard Installation Adapter (J-box adapter) Honeywell Decorative Cover Plate Small; size 4 49/64 in x 4 49/64 in x ... Cool On or Heat On is flashing Compressor protection feature is engaged. Wait 5 minutesIf you need to reset your Honeywell Pro Series thermostat, the process is simple. First, locate the Reset button on the thermostat’s control panel. It should be located near the bottom of the device and may have a “Reset” label above or below it. Once you’ve located it, press and hold down for 10 seconds until all settings are restored ...A programmable thermostat saves energy by automatically raising and lowering the temperature of your home while you’re away. Watch this video to learn more. Expert Advice On Improv...Est. reading time 8 minutes. FocusPRO 6000 Series Thermostat manuals and instructions online. Download Honeywell FocusPRO 6000 Series PDF manual. ... 9.4 "Cool On" or "Heat On" is flashing; 9.5 To restore default settings; 10 5-year limited ... Honeywell T10 PRO Smart Thermostat Installation Guide (article) Honeywell Programmable Thermostat ...TH2110DV: For 1 Heat/1 Cool systems. TH2210DV: For 2 Heat/1 Cool heat pump systems only. (Pull thermostat from wallplate and turn over to find model number.) CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C).Operating Manual Fan switch Set the FAN switch to Auto or On. In “Auto” mode (the most commonly used setting), the fan runs only when the heat- ing or cooling system is on. If set to “On,” the fan runs continuously. Use this setting for improved air circula- tion, or for more efficient air cleaning.View and Download Honeywell Thermostat PRO TH3000 Series operating manual online. PRO TH3000 Series Non-Programmable Digital Thermostat. ... inside temperature Temperature setting Inside Set To Em Aux Replace Batt Low battery warning If "Heat On" or "Cool Heat On (see page 9) On" is flashing, com- pressor protection is engaged (see page ...The Honeywell AC thermostat is displaying a blinking "Cool On" indicator. In this situation, it is important to troubleshoot the issue to identify the cause and find a solution. A blinking "Cool On" indicator on a Honeywell AC thermostat can indicate various problems, such as a wiring issue, a faulty temperature sensor, or a ...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...Easy Fixes for the "Cool On" Flashing Issue. Now that we have identified the potential causes, let's explore seven easy fixes to resolve the "Cool On" flashing issue with your Honeywell thermostat: 1. Check Thermostat Settings: Ensure that the thermostat is set to the correct mode (cooling mode).To set up a weekly schedule on your Honeywell Home Pro Series thermostat, follow these steps: Press the Menu button. Select Schedule. Select the day of the week that you want to program. Select the time period that you want to program. Set the desired temperature. Repeat steps 4 and 5 for each time period that you want to program.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 by flipping the circuit breaker back on. After replacing the battery, wait for a few minutes to see if the low battery warning message or symbol disappears.

It could be that your thermostat is not currently receiving power due to the batteries drying up or a problem with the power source. In either case, if your thermostat uses AA batteries, try replacing the batteries. If it is directly connected to a power source, then check if the power source is working or not. Check Connection Points.

Blinking "cool on" and no cold air being. 2 year old house, Pro series. Just today. 80 in the house. Replaced - Answered by a verified HVAC TechnicianHeat and cool settings must be at least 3 degrees apart. The thermostat will automatically adjust settings to maintain this 3-degree separation (called "deadband"). The 3-degree separation between heating and cooling set temperatures is fixed, and cannot be changed. Press system button until screen displays "Auto".7 Steps to Troubleshoot a Honeywell Thermostat Flashing "Cool On" Message. 1. Check Thermostat Settings. 2. Check Your Thermostat's Battery. 3. Set Your Thermostat to The Lowest Temperature. 4. Check If Both the Outdoor and Indoor Units Have a Power Supply.Check if the thermostat is set to “Heat” mode and if the “Heat On” button is blinking. This means that a safety timer for your thermostat’s compressor has been tripped. Once this stops the heat blinking, your thermostat should be able to maintain its heat setting again. The 4-5 minute blinking is the time delay.3000 Digital Thermostat Series User Guide Read and save these instructions. For help please visit yourhome.honeywell.com Thermostat controls Temperature adjustment Press the up or down buttons until you reach the desired temperature. NoTe: Make sure the SYSTEM switch is set to the system you want to control (Heat or Cool).Best honeywell pro series thermostat wifi reviews 2023Honeywell thermostat battery replacement if thermostat doesn't work ac won't turn on How to reset honeywell thermostat th4110d1007Honeywell thermostat programmable. ... 2000 vertical programmable thermostats 1 heat / 1 cool Honeywell thermostat programmable review edited lastHoneywell pro ...A blinking “Cool On” message can indicate various causes, such as dying batteries, a power surge, or a power outage. Thermostat batteries generally last for an average of 10 months, making it easy to identify …You need to first identify whether the COOL feature is working or not. To do so, set the fan switch to auto and the switch at the top of your thermostat to COOL. Turn the dial to the lowest setting like 60℉ and wait for 5 minutes. If the air conditioner unit kicks in, the COOL feature is functioning right.

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It depends, if the thermostat is powered with a 24 Vac common it can be set to have continuous backlight. If the thermostat is battery powered, it cannot be set for continuous backlight. This is done by the installer in the installer setup settings of the thermostat. (Note, some models always require a common regardless of backlight setting).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...Turn on the power to the system and the thermostat by flipping the circuit breaker or the disconnect switch to the ON position. Check the thermostat and the system and see if they work properly. Make sure the thermostat is set to the correct mode and temperature and the system is not flashing heat on anymore.Honeywell Home PRO 1000 Series lets you control your home's heating and cooling system, giving you precise temperature management. It features an easy-to-read display, user-friendly interface, and a built-in compressor protection to prevent damage from rapid restarts. With its multiple system compatibility, you can use it for 1-heat, 1-heat/1 ...From the locked home screen, press the center button. Users will need to enter the passcode. The default passcode when the Honeywell T4 Pro is partially or...Adaptive Intelligent Recovery:The T6 Pro Smart thermostat learns your heating and cooling cycle times to make sure the system delivers the temperature you want, when you want it. 4. Mode. Touch to select system mode: • Auto (if enabled) • Heat • Cool • Off • Em Heat (Emergency Heat) Menu.To factory reset this thermostat, first press the System button. Now you must press and hold the blank box that's in the center of the screen. When the number panel is displayed, set the number on the left to 0710 and the number on the right to one. Once this is done, press the Done button.The "Cool on" message on a Honeywell thermostat is also known as "delay mode". It often flashes in the form of a blinking snowflake or as the word "wait' as well. It's a courtesy message to let you know that the AC will delay in coming on for approximately 5 minutes in order to protect your unit from short cycling which can cause ... ….

An existing 4 wire set-up may create a new C-Wire using the adapter THP9045A1098 . The T Series programmable thermostat streamlines everything from product selection and installation to customer service and support. ... O/B, G, K, E, L/A, S, S Package Includes: Lyric T6 PRO Wi-Fi Thermostat UWP Mounting System Honeywell Standard Installation ...Final Thoughts. The reason why Honeywell thermostat blinking cool on is maybe the thermostat devices taking delay time to prevent the AC from short cycling. However, the cool on flashing may indicate that the AC is pumping cool air into your home. The blinking is supposed to go away within 5 minutes.Keep in mind that the restart process may slightly differ between various thermostat models. If you want to find the exact steps for your specific Honeywell thermostat, don't forget to refer to our list of collated Honeywell user manuals. Step 3: Reset Wi-Fi Settings on the Thermostat. Try resetting the Wi-Fi settings on your thermostat.Set Program Schedule For Two Time Periods 1. Select HEAT or COOL with the system key. Note: You have to program heat and cool each separately. 2. Press the MENU button (If menu does not appear first, press RUN SCHED). 3. Press SET SCHED.Note: Monday-Friday (Monday if in 7day) is dis played and the OCCUPIED text is shown.You are now program ming the OCCUPIED time period for that day.Web connected thermostats are great, but they're expensive. If you want to make your own, blogger and engineer Nooganeer shows how to build one using a Raspberry Pi and an old iPho...Honeywell RTH2510 Series User Manual View and Read online. Est. reading time 10 minutes. RTH2510 Series Thermostat manuals and instructions online. ... When Cool On is flashing, compressor protection is engaged. ... Honeywell T10 PRO Smart Thermostat Installation Guide (article) Honeywell FocusPRO 5000 Series ManualSKU: TH8321WF1001/U. 2.9. |. 20 out of 71 (28%) reviewers recommend this product. With a large touchscreen display, the VisionPRO® 8000 WiFi Programmable Thermostat makes it easy to control your home comfort. Program a schedule for every day of the week or adjust the temperature remotely anytime from the Total Connect Comfort app.Contents hide 1 Honeywell Home T6 Pro Wi-Fi Programmable Thermostat 2 Thermostat Features 3 Thermostat overview 3.1 Resideo App overview 4 Adjusting the temperature 5 Schedule overrides 5.1 Adjusting the temperature in Auto mode 5.2 Selecting system mode 5.3 Setting the fan 6 Connecting to a WiFi network 6.1 Disconnecting and reconnecting to a WiFi […]Nov 12, 2019 · Honeywell thermostat says "cool on" blinking or "heat on" flashing, but not working after changing batteries. Thermostat blinks Cool On or Heat On is a safet... Hello, Honeywell thermostat says cool on, it was blinking but now static. I hear the blower turns on in the house and some air flows from the ducts with new filters. ... I have a Honeywell Focus Pro th6000 series thermostat. Yesterday I changed the batteries and could not get a display. The batteries are in correctly. Honeywell thermostat pro series cool on flashing, 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. komfort. komfort. valve-sizing. rondostat-videos. brochure-l5-emea. , My thermostat is TH411OU2005. Honeywell home pro series. i think it is programable. i just want to set the temperature, but i can't because it keeps talking about time and fans and other stuff. can yo … read more, Hello I have a Honeywell T4 Pro that was flashing "Cool On" on the right side of the screen. Nothing seems to help I did replace the batteries and it stopped blinking and now it is solid "Cool On" When I run the test it does kick the AC on. So the AC itself is fine. It seems like it is something with the thermostat. It has fresh batteries., The PRO 2000 vertical thermostat has a large, backlit screen that is easy-to-read and features a real-time clock, with simple push-button controls. If your customers are looking to take the first steps to a smart home, this thermostat's 5-2 day programming lets them set separate heating and cooling schedules for the weekdays and weekends ..., Verify that the thermostat is switched to cool mode and has a cooling set point below the room temperature reading. Check the thermostat display for cooling, usually indicated by the words “cool on” or a snowflake icon. If these icons are flashing, the thermostat is in delay mode, which can last up to 5 minutes., If you need to reset your Honeywell Pro Series thermostat, the process is simple. First, locate the Reset button on the thermostat’s control panel. It should be located near the bottom of the device and may have a “Reset” label above or below it. Once you’ve located it, press and hold down for 10 seconds until all settings are restored ..., The fan symbol on a Honeywell thermostat represents the fan mode. It indicates whether the fan is set to "auto" or "on" mode. If the fan symbol is illuminated, it means that the fan is set to the "on" mode and will run continuously, even when the temperature is not being regulated. If the fan symbol is not illuminated, it means that ..., The reason the light is flashing is that the power outage has switched the thermostat back to setup mode. When a Honeywell thermostat is in setup mode it normally causes the “Cool on” light to blink. If the thermostat shows you that it is in setup mode you just have to set your thermostat again and the problem will be solved automatically., Reset procedures vary widely depending on the model of the Honeywell thermostat, but they include pressing System to reconfigure the settings or temporarily inserting the batteries..., Flashing cool on. Contractor's Assistant: Do you know the model of your Honeywell thermostat? How old is it? 3 years old, honeywell home pro series. Contractor's Assistant: How long has this been going on with your Honeywell thermostat? What have you tried so far? Turned off circuit breakers for ac and furnace, turned back on, new batteries in thermostat, cleaned ac unit yesterday, today fan ..., In conclusion, troubleshooting issues with a Honeywell non-programmable thermostat can be frustrating, but with the right steps, you can quickly resolve common problems. This comprehensive guide has provided troubleshooting tips for various issues, including incorrect temperature readings, unresponsive controls, system malfunctions, battery ..., ® TH5000 Series 1 69-1923EFS—01 ENGLISH About your new thermostat ... Congratulations on the purchase of your new Honeywell thermostat. It has been designed to give you many years of reliable service and easy-to-use, push-button ... Heat On/Cool On (If flashing, see page 9) System setting Heat/Cool/Auto/Off/ Em Heat (see page 7) …, Reason 1: Incorrect Temperature Setting. When your thermostat displays "Heat On" but doesn't produce warmth, it's often because the temperature setting isn't above the room's current temperature. This causes the heating system to remain idle, despite the thermostat's indication. The thermostat's primary function is to maintain ..., Honeywell PRO 1000 Series User Manual View and Read online. Est. reading time 4 minutes. ... Honeywell PRO 1000 Series - Non-Programmable Thermostat Manual. Also See for PRO 1000 Series: Installation manual (21 pages) Advertisement. ... When "Heat On" or "Cool On" is flashing, compressor protection is engaged., Press and hold CENTER and + buttons for approximately 3 seconds to enter advanced menu. Press Select to enter ISU. Press Select to cycle through menu setup options. Press + or - to change values or select from available options. Press Select and confirm your settings or press Back to ignore changes and return to ISU menu screen to continue ..., My thermostat is TH411OU2005. Honeywell home pro series. i think it is programable. i just want to set the temperature, but i can't because it keeps talking about time and fans and other stuff. can yo … read more, The fan symbol on a Honeywell thermostat represents the fan mode. It indicates whether the fan is set to "auto" or "on" mode. If the fan symbol is illuminated, it means that the fan is set to the "on" mode and will run continuously, even when the temperature is not being regulated. If the fan symbol is not illuminated, it means that ..., The T6 Pro 7-Day Programmable Thermostat learns your heating and cooling cycle times to deliver the right temperature when you want it. With precise temperature control, the thermostat can automatically change from heating to cooling to help maintain the temperature you like most. Intuitive Design. The programmable thermostat comes with simple ..., 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., May 28, 2023 · Blinking “cool on” and no cold air being. 2 year old house, Pro series. Just today. 80 in the house. Replaced - Answered by a verified HVAC Technician , How to set Honeywell thermostat to cool. Answer: If you wish to make your house cooler, you must manually adjust the Honeywell thermostat’s temperature. To turn the fan on or off, press the “Fan” button. Then, to place the thermostat in Heat, Cool, or Off mode, hit the “System” button. Push the button one more to alter the setting., To reset a Honeywell thermostat, follow these steps: Turn off the power to the thermostat by switching off the appropriate circuit breaker. Remove the battery and …, Solve The Honeywell Thermostat Flashing Problem. Before you start with some other method, you should wait for around 5 minutes. Sometimes "Cool On" icon on your Honeywell thermostat is displayed due to a timeout feature in A/C unit.That way your compressor is protected. The pressure difference can sometimes damage the compressor.Such damages are very expensive, so you should take good care ..., Honeywell Thermostats. If you have a blinking or flashing snowflake on your Honeywell thermostat, or the word heat/cool is blinking, it means your thermostat is in delay mode. Your system should cycle on in five minutes but check the possible causes above for delay mode. Check for possible causes if your thermostat is in delay mode., SKU: TH8321WF1001/U. 2.9. |. 20 out of 71 (28%) reviewers recommend this product. With a large touchscreen display, the VisionPRO® 8000 WiFi Programmable Thermostat makes it easy to control your home comfort. Program a schedule for every day of the week or adjust the temperature remotely anytime from the Total Connect Comfort app., The COOL ON, HEAT ON or icon will display when the COOL, HEAT, or (fan) is on. Note: The Compressor delay feature is active if these are flashing. 1 2 3 7 Low Battery Indicator: Replace batteries when this indicator is shown. Button Options Program Time Periods: This thermostat has 4 programmable time periods per day. 2 2 1 8 3 LOW, Verify your thermostat’s wiring. Check that the wires are connected securely to the terminals. Remember, the color of the wires only relates to the terminals they are connecting. Reference: The Y terminal on your thermostat controls the primary (1st stage) cooling. (Or the Y and O/B terminal if you have a heat pump system) In addition, the G ... , 8 Battery replacement. 9 Customer assistance. 10 In case of difficulty. 10.1 Display is blank. 10.2 Heating or cooling system does not respond. 10.3 "Heat On" or "Cool On" is …, Sep 29, 2021 · A “cool on” message can also appear if the thermostat logs out or times out on its own. Wait 5 minutes, restart your thermostat, and identify and replace fuse or wire damage to make it return to normal. Thermostats can also flash a “cool on” message if it is working hard to produce cool air. This can happen even if there isn’t an ... , A blinking “Cool On” message can appear due to dying batteries, a power surge, or a power outage. Thermostat batteries last for an average of 10 months, so it is easy to tell when dead batteries are the culprit. Sometimes, a Honeywell thermostat can bounce back after a power outage without requiring a reset., If your Honeywell thermostat won't go above 70, it is likely due to the temperature limit setting. You can adjust this setting using the up and down arrows on your thermostat. To do this, press "Settings" and then select "System.". From there you will need to scroll down until you see "Heat/Cool Limit Set.". Once selected, use the ..., 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., 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