Honeywell Blinking Snowflake
Honeywell Blinking SnowflakeCheck that the batteries are fresh and inserted correctly 2. This switch turns off whenever I turn off the main electric to it. The thermostat will indicate it is asking for the cooling to turn on when “cool on” or a “snowflake” in the display. You may experience this delay and notice your thermostat blinking cool on for up to 5 minutes until cool air is restored into your home. Here are a few of the things that can cause your digital Honeywell Thermostat to blink “Cool On”: A power outage: A power outage or any other interruption to the power source can force the compressor to restart. Pass the wires through the opening of the baseplate and fix the. The blinking snowflake means that the delay timer is preventing your system from turning on. The delay mode is a feature on some Honeywell thermostats that prevent the cooling system from turning on immediately after it has been turned off. Seann Posts: 32, Reputation: 1. The thermostat has a built-in compressor protection (minimum off timer) that prevents the compressor from restarting too early after a shutdown. On my t'stat it means the HVAC is set in the cooling mode. Next, open up the wall plate and inspect the wiring on the back of the thermostat. We have a Honeywell thermostat #TH9421C1004. This Mode protects compressor against failure related to sudden not intentional switching of Mode switch from Heat to Cool. Honeywell rth230b I am trying to get my air conditioner to turn on and I turned it from heat to cool and then prgramed the day and times I wanted certain temps and the snow flake it blinking and the house image is blinking. This delay protects your equipment from short cycling. Its have great qualities and multiple options. O Parque Zoológico abriga cerca de 120 espécies de aves, répteis e. Honeywell thermostats are reliable, but what does that blinking snowflake mean? It can be disconcerting at first, but there is a simple explanation for this icon. Honeywell makes some of the mos. Loosen the locking screw to separate the thermostat from its baseplate (the screw cannot be completely removed). Honeywell Thermostat Cool ON Is Flashing Flashing lights on a thermostat can be extremely unsettling, especially if you are unsure what they mean. HVAC Technician: airheatman , HVAC Technician replied 6 years ago If snowflake will not stop blinking it is stuck in time delay made,This is a five minute delay to protect compressor. If your Honeywell thermostat is flashing Cool On, you’ll want to check that all the wiring is secure and connected properly. Why is the "Cool On," "Heat On," "Snowflake," or "Flame" blinking on the thermostat display? The thermostat has a built-in 5 minute delay to protect your equipment. Your Honeywell thermostat’s delay mode will flash a snowflake to indicate that it has entered safety mode. Hence, there can be two main reasons why your Honeywell thermostat is blinking cool on: 5-minute delay: it is kickstarting the cooling process. Here are a few of the things that can cause your digital Honeywell Thermostat to blink "Cool On": A power outage: A power outage or any other interruption to the power source can force the compressor to restart. This is simply the process by which the air conditioner prevents short cycling. Also check the circuit breaker and reset if necessary. When these messages are present your air conditioner will not be able to. A blinking “Cool On” icon on the Honeywell thermostat is something that can be fixed in a few steps. Air conditioning systems contain a finely tuned and balanced load of pressure, that when interrupted can cause problems to your system’s compressor. This delay can sometimes get stuck thus requiring replacement. So Why Is My Honeywell Thermostat Flashing Cool On? When the Honeywell thermostat displays ‘Cool On’ or the snowflake icon, it indicates that the thermostat is in delay mode. This hold is to save your equipment from short cycling. If the unit runs after 3 to 5 minutes of blinking (depending upon your settings) then the thermostat is waiting for the minimum off timer to expire. Why is the "Cool On," "Heat On," "Snowflake," or "Flame" blinking on the thermostat display? The thermostat has a built-in 5 minute delay to protect your equipment. Generally, when a honeywell thermostat is not blowing cold air, this could be due to factors such as, thermostat settings, turned off condenser unit, little or leaking refrigerant, dirty filters thermostat wiring and a few more others that we are going to be looking at shortly in this article. Mark and bore the appropriate mounting holes (or use the existing holes). Your Honeywell thermostat should indicate that the cooling system is on by displaying “Cool on” or a snowflake symbol, depending on your distinct model of the thermostat. Snowflake still blinking, and unit not engaging. Ranging from basic models to smart thermostats, Honeywell has a plethora of offerings that their customers have been using for years. The snowflake symbol on a Honeywell thermostat indicates that the unit is in cooling mode. Take out the old batteries and insert new ones. Thermostat batteries last for an average of 10 months, so it is easy to tell when dead batteries are the culprit. If you see a flashing snowflake icon on your Honeywell thermostat, it can indicate that the thermostat is in cooling mode, but the delay mode is active. Generally, when a honeywell thermostat is not blowing cold air, this could be due to factors such as, thermostat settings, turned off condenser unit, little or leaking refrigerant, dirty filters thermostat wiring and a few more others that we are going to be looking at shortly in this article. Honeywell model # rth110b. To clear the schedule on your Honeywell 4000 series thermostat: Press the ‘Set’ button until the display shows ‘Set Schedule. The system can remain in delay mode up to five minutes. Honeywell thermostats are reliable, but what does that blinking snowflake mean? It can be disconcerting at first, but there is a simple explanation for this icon. (Get More Info) Why is my thermostat in delay mode?. In some cases, your thermostat can switch to the “Setup Mode”, especially if there has been a recent power cut in your area. In this mode, the thermostat will turn on the air conditioner to help cool your home. Loosen the locking screw to separate the thermostat from its baseplate (the screw cannot be completely removed). Type 1: System not heating or cooling Step 1 – To resolve, simply wait! If you want the “Wait” signal to disappear, give your Honeywell thermostat up to 5 mins to work its. The first thing you need to do when faced with a Honeywell Thermostat flashing snowflakes problem is not to panic, because this problem is quite common. Replace the Thermostat Why is the cool button on my Honeywell thermostat blinking?. It may take as long as five minutes for the thermostat to begin heating or cooling the house. Keep holding both the button for 5-10 seconds. There is a symbol on the thermostat. Air conditioner has stopped working. When the snowflake is blinking, it means there is an issue with the outdoor unit. The snowflake symbol on a Honeywellthermostat indicates that the unit is in cooling mode. Moreover, you should also ensure that the correct time is set on the device. HVAC Technician: airheatman , HVAC Technician replied 6 years ago If snowflake will not stop blinking it is stuck in time delay made,This is a five minute delay to protect compressor. 120,407 likes · 2,689 talking about this · 205,697 were here. Zoológico de Sapucaia do Sul, São Leopoldo. Sep 21, 2008, 07:31 PM Honeywell RTH110B Thermostat Blinking Signal I replaced the batteries in my Honeywell RTH110B thermostat with the air conditioning running contrary to the instructions that I read afterward. The blinking “Cool On” message on a Honeywell thermostat display indicates that the system is restarting, batteries need replacing in the control panel, or a fault with the. Check the thermostat display for cooling, usually indicated by the words "cool on" or a snowflake icon. The thermostat has a built-in compressor protection (minimum off timer) that prevents the compressor from restarting too early after a shutdown. However, if your thermostat keeps blinking after the reset, you may have an issue like excessive defrosting or a switch in the outside unit that is stuck open. Make sure that the furnace door is closed securely. A blinking “Cool On” message can appear due to dying batteries, a power surge, or a power outage. It can be a snowflake or it may say "cool on. Your Honeywell thermostat’s delay mode will flash a snowflake to indicate that it has entered safety mode. Educa Acción Recorrido por el Centro Histórico de Ciudad Juárez. The thermostat will indicate it is asking for the cooling to turn on when “cool on” or a “snowflake” in the display. I replaced the batteries in my Honeywell RTH110B thermostat with the air conditioning running contrary to the instructions that I read afterward. Step 1: Check your Honeywell thermostat’s mode In some cases, your thermostat can switch to the “Setup Mode”, especially if there has been a recent power cut in your area. Honeywell thermostats are reliable, but what does that blinking snowflake mean? It can be disconcerting at first, but there is a simple explanation for this icon. Hello, the snowflake flashing is a (supposed to be) 5 minute delay to prevent shortcycling of the compressor. Your system can stay in delay mode for up to five minutes. If you see a flashing snowflake icon on your Honeywell thermostat, it can indicate that the thermostat is in cooling mode, but the delay mode is active. How to Fix Honeywell Thermostat Cool on Blinking? 1. Type 1: System not heating or cooling Step 1 – To resolve, simply wait! If you want the “Wait” signal to disappear, give your Honeywell thermostat up to 5 mins to work its magic. 1 Removing the Old Thermostat IN ORDER TO AVOID ANY RISK OF ELECTRIC SHOCK, CUT. If you have a programmable Thermostat 5. call your installing company and have a technician come out and look the system over and do a full service on your equipment Reply. Check the thermostat display for cooling, usually indicated by the words “cool on” or a snowflake icon. Honeywell thermostat says "cool on" blinking or "heat on" flashing, but not working after changing batteries. There will be another number on the right; change it to ‘1’. Honeywell thermostat cool on blinking flashing The Honeywell thermostat “ cool on” or the snowflake is blinking, That indicates the thermostat is in delay mode and it can hold up to 5 minutes. If this message is in the display, the thermostat is asking for the heat to be on and there is a likely a problem outside of the thermostat preventing the cooling from running. most likely high head cut out with dirty filter in hp heating mode. It can be a snowflake or it may say “cool on. Your Honeywell thermostat's delay mode will flash a snowflake to indicate that it has entered safety mode. First, turn off the power to the system. Hence, there can be two main reasons why your Honeywell thermostat is blinking cool on: 5-minute delay: it is kickstarting the cooling process. Havent turned on A/C for a year after 5 min the snowflake turns from blinking to solid and stays that way. A flashing snowflake indicates that your thermostat has entered delay mode, which is a safety measure for Honeywell thermostats. There will be a number on the left; change it to ’85’. Air coming through Ask an Expert Home Improvement Questions HVAC Questions Air conditioner has stopped working. Your Honeywell thermostat’s delay mode will flash a snowflake to indicate that it has entered safety mode. This will initially put some pressure on the compressor and make the Cool On to blink for a while. Flashing snowflake on the stat is due to compressor protection time if which between 3-5 min,it's a feature to prevent compressor from being getting damaged Not your question? Ask your question View similar questions Add your answer here. Features • System operating mode selection: heat, cool or off • Fan operating mode selection: automatic or on (continuous) • Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes • Temperature display in °F or °C • Battery replacement indicator 2. During this delay period, the thermostat will display a blinking snowflake icon. Press and hold the UP arrow button without releasing the FAN button. Step 4 – Check voltage with a Voltmeter or call in the Professionals!. Ask an Expert Home Improvement Questions HVAC Questions Tom, HVAC Technician Satisfied Customers Tom is online now Related HVAC Questions I had to reset my thermostat and now I can't set the. Check the thermostat display for cooling, usually indicated by the words “cool on” or a snowflake icon. 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. Also check the circuit breaker and reset if necessary. Your system can stay in delay mode for up to five minutes. … read more David Bowden Owner 6,519 satisfied customers Act stopped working. It may take as long as five minutes for the thermostat to begin heating or cooling the house. Honeywell rth230b I am trying to get my air conditioner to turn on and I turned it from heat to cool and then prgramed the day and times I wanted certain temps and the snow flake it blinking and the house image is blinking. If the blinking persists for more than five minutes, contact a technician to perform diagnostics. Snowflake still blinking, and unit not engaging. Honeywell thermostats are reliable, but what does that blinking snowflake mean? It can be disconcerting at first, but there is a simple explanation for this icon. Press and hold the up arrow key and the ‘Hold’ button simultaneously for four seconds to clear a schedule. Page 1: Installation Programmable Electronic Thermostat Installation and User Guide 1. baseplate to the wall using the screws provided. Your system can stay in delay mode for up to five minutes. The blinking snowflake means that the delay timer is preventing your system from turning on. " When the air conditioner is actually running it will be a steady symbol, but you may notice it flashing at times. Why is my AC flashing a snowflake? Check the thermostat’s display to confirm that there’s a call for cooling, usually indicated by the words cool on or a snowflake icon. Delay mode is a feature on Emerson thermostats that prevents cooling or heating from on to too quickly on your HVAC system. After a thunder storm and power outage, the panel is blank and there is a small red snowflake shape flashing on the right top side of cover. This delay is to protect your equipment from short cycling. All Honeywell thermostats, no matter the type of model, have a symbol showing you when the air conditioning is turned on. When the Honeywell thermostat displays ‘Cool On’ or the snowflake icon, it indicates that the thermostat is in delay mode. Get in touch with the pros at Metro Express Service and we’ll diagnose and fix your problem quickly. Honeywell T8000c thermostats are designed to be simple and trouble-free. If you see a flashing snowflake icon on your Honeywell thermostat, it can indicate that the thermostat is in cooling mode, but the delay mode is active. Nothing is wrong; it simply takes that long to bring the various components up to the proper temperature. For my system I have to then go to my furnace/blower and flick a second switch on and off. My Honeywell programmable 8120 thermostat has a red blinking My Honeywell programmable 8120 thermostat has a red blinking snowflake on top right corner. The blinking snowflake means that the delay timer is preventing your system from turning on. If "wait" is in the screen or "cool on" is flashing - wait 5 minutes for the system to safely respond. Honeywell thermostat cool on blinking flashing The Honeywell thermostat “ cool on” or the snowflake is blinking, That indicates the thermostat is in delay mode and it can hold up to 5 minutes. Two snowflakes are displayed on the thermostat and blinking. What does AC’s heat mode mean? HEAT mode is used. The municipality is named for 19th-century president Benito Juárez, as is. ” When the air conditioner is actually running it will be a steady symbol, but you may notice it flashing at times. Honeywell RTH110B Thermostat Blinking Signal. What exactly does the snowflake button do? When you turn on the snowflake, you’re in air conditioning mode. Flashing snowflake on the stat is due to compressor protection time if which between 3-5 min,it's a feature to prevent compressor from being getting damaged. We have a Honeywell thermostat #TH9421C1004. Cuando las personas conocen la historia de un sitio, suelen apreciarlo más. How to Fix Honeywell Thermostat Cool on Blinking? 1. maquilas de 5 parque industrial gema ciudad Juárez Chihuahua - Facebook empleos. Your Honeywell thermostat’s delay mode will flash a snowflake to indicate that it has entered safety mode. How do I fix an unresponsive thermostat?. If your thermostat seems to be failing, check for bad batteries, lost power from your HVAC to your thermostat, and loose wires that can point to a system malfunction. stat is receiving signal from york guard board that there is a problem and notifying you via the blinking light. Check the thermostat display for cooling, usually indicated by the words “cool on” or a snowflake icon. Gabinete de Radiología Laboratorio Clínico Resonancia Magnética 1. The thermostat keeps the compressor off for a few minutes before restarting, to prevent equipment damage. In most thermostats on the market, a flashing flame symbol indicates a malfunction in which HVAC filters may be blown or the kiln pilot light may be extinguished. Why is my AC flashing a snowflake? Check the thermostat’s display to confirm that there’s a call for cooling, usually indicated by the words cool on or a snowflake icon. If you have a wireless Thermostat 4. Your Honeywell thermostat can also display “Cool On” if your AC needs to give your compressor a 5 minute cooldown time to protect it. This is a reliability feature built into the thermostat to prevent the compressor from running for a short amount of time before turning off and then starting soon after again. How can I fix this problem? Thanks hvac1000 Posts: 14,540, Reputation: 435. When these messages are present your air conditioner will not be able to turn on for 5 minutes. What does it mean when my Honeywell thermostat is blinking? If the cool on or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. So Why Is My Honeywell Thermostat Flashing Cool On? When the Honeywell thermostat displays ‘Cool On’ or the snowflake icon, it indicates that the thermostat is in delay mode. The blinking Cool On message on a Honeywell thermostat display indicates that the system is restarting, batteries need replacing in the control panel, or a fault with the system. Havent turned on A/C for a year after 5 min the snowflake turns from blinking to solid and stays that way. The municipality covers an area of 4,853 km 2 (1,874 sq mi). If your Honeywell thermostat is flashing "Cool On," the first thing you should do is check that the batteries are fresh and inserted correctly. The T8000c has a minimum-off timer--which lasts. Honeywell thermostat user manual (25 pages) Thermostat Honeywell RTH2310 Operating Manual (44 pages) Summary of Contents for Honeywell rth230b. A flashing snowflake indicates that your thermostat has entered delay mode, which is a safety measure for Honeywell thermostats. Follow along as we explore what the blinking snowflake and delay mode means on your Honeywell thermostat. This delay protects your equipment from short cycling. If there’s a flashing snowflake on your Honeywell thermostat, it is in delay mode to prevent short. Hence, there can be two main reasons why your Honeywell thermostat is blinking cool on: 5-minute delay: it is kickstarting the cooling process. Is there a reset button on a Honeywell thermostat? Press and hold the ‘Up’ arrow and ‘Fan’ buttons. My Honeywell programmable 8120 thermostat has a red blinking My Honeywell programmable 8120 thermostat has a red blinking snowflake on top right corner. Flashing snowflake on the stat is due to compressor protection time if which between 3-5 min,it's a feature to prevent compressor from being getting damaged Not your question? Ask your question View similar questions Add your answer here. The minimum off timer is activated after the compressor turns off. Step 1: Check your Honeywell thermostat’s mode. Press the FAN button and hold it. Juárez is one of the 67 municipalities of Chihuahua, in northern Mexico. Two snowflakes are displayed… Answered in 1 minute by: , Journeyman HVAC Tech BillyHvac, Journeyman HVAC Tech Satisfied Customers. It can be a snowflake or it may say “cool on. My air conditioner is not turning on. Remote Control Symbols Quick Guide Conclusion If you see a snowflake symbol on your air conditioner, it means that the unit is in cooling mode. Why is the "Cool On," "Heat On," "Snowflake," or "Flame" blinking on the thermostat display? The thermostat has a built-in 5 minute delay to protect your equipment. A bad blower motor or dirty air filter can also cause a blinking “Cool. Check that all the wiring is secure and connected properly 3. When these messages are present your air conditioner will not be able to turn on for 5 minutes. I have a Honeywell RTH230B thermostat. Most Honeywell thermostats blink when the cooling (or heating) is delayed, and this time delay feature prevents the compressor from cranking too soon after a short off cycle or power outage. See other industries within the Information sector: All Other Telecommunications , Computing Infrastructure Providers, Data Processing, Web Hosting, and Related. A flashing snowflake indicates that your thermostat has entered delay mode, which is a safety measure for Honeywell thermostats. If these icons are flashing, the thermostat is in delay mode, which can last up to 5 minutes. First try resetting the fuse for your central air conditioner at your electrical box by turning it off and then on. de la Raza 5405, 32370 Ciudad Juárez, Chihuahua, Mexico. If these icons are flashing, the thermostat is in delay mode, which can last up to 5 minutes. So Why Is My Honeywell Thermostat Flashing Cool On? When the Honeywell thermostat displays ‘Cool On’ or the snowflake icon, it indicates that the thermostat is in delay mode. Select the mode you want to clear the schedules for, choose either Heat or Cool. Is there a reset button on a Honeywell thermostat? Press and hold the ‘Up’ arrow and ‘Fan’ buttons. To do this: Remove the cover of the thermostat and locate the battery compartment. If “wait” is in the screen or “cool on” is flashing – wait 5 minutes for the system to safely respond. Find company research, competitor information, contact details & financial data for ALPHA BRASIL MONITORAMENTO E SISTEMAS DE SEGURANCA EIRELI of SAPUCAIA DO. Step 1: Check your Honeywell thermostat’s mode In some cases, your thermostat can switch to the “Setup Mode”, especially if there has been a recent power cut in your area. Air conditioning systems contain a finely tuned and balanced load of pressure, that when interrupted can cause problems to your system's compressor. What does it mean when my Honeywell thermostat is blinking? If the cool on or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. I am now getting a blinking snowflake air conditioning symbol but no air. In the 2010 INEGI Census, the municipality reported a total population of 1,332,131, of whom 1,321,004 (over 99%) lived in the municipal seat. The blinking snowflake means that the delay timer is preventing your system from turning on. If these icons are flashing, the thermostat is in delay mode, which can. The blinking "Cool On" message on a Honeywell thermostat display indicates that the system is restarting, batteries need replacing in the control panel, or a fault with the system. Pay particular attention to this if the little flame sign or snowflake sign is flashing. This indicates that your HVAC system is in a delay mode. The municipal seat lies at Ciudad Juárez. If the unit runs after 3 to 5 minutes of blinking (depending upon your settings) then the thermostat is waiting for the minimum off timer to expire. Pay particular attention to this if the little flame sign or snowflake sign is flashing. The thermostat is a Honeywell RTH230B Please help! Brenna. Two blinking snowflakes in a middle of right side of thermostat display means that T-stat is in Delay Mode for about 5 min. Honeywell RTH110B Thermostat Blinking Signal I replaced the batteries in my Honeywell RTH110B thermostat with the air conditioning running contrary to the instructions that I read afterward. All Honeywell thermostats, no matter the type of model, have a symbol showing you when the air conditioning is turned on. I am now getting a blinking snowflake air conditioning symbol but no air. So Why Is My Honeywell Thermostat Flashing Cool On? When the Honeywell thermostat displays 'Cool On' or the snowflake icon, it indicates that the thermostat is in delay mode. The snowflake symbol on a Honeywellthermostat indicates that the unit is in cooling mode. However, if your thermostat keeps blinking after the reset, you may have an issue like excessive defrosting or a switch in the outside unit that is stuck open. Contact us online or call 972-263-2500 to schedule an appointment. How can I fix this problem? Thanks. Remote Control Symbols Quick Guide Conclusion If you see a snowflake symbol on your air conditioner, it means that the unit is in cooling mode. If you see a flashing snowflake icon on your Honeywell thermostat, it can indicate that the thermostat is in cooling mode, but the delay mode is active. The first thing you need to do when faced with a Honeywell Thermostat flashing snowflakes problem is not to panic, because this problem is quite common. The control panel is extremely straightforward and its no-nonsense operation emphasizes longevity over a lot of bells and whistles. Mark and bore the appropriate mounting holes (or use the. You may experience this delay and. Check out some similar questions! Wiring for a RTH110B Honeywell Thermostat [ 2 Answers ]. This delay is activated to protect your HVAC system from short cycling and it can usually take up to 5 minutes. If you see a flashing snowflake icon on your Honeywell thermostat, it can indicate that the thermostat is in cooling mode, but the delay mode is active. Check that all the wiring is secure and connected properly. One of the most common instances of this is when you need cool air sent to your home, but you see the thermostat’s “Cool ON” or a little snowflake flashing in the corner. If the cool on or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. Switch off everything for about one minute, then turn it on. is … read more BillyHvac State Licensed Mechanical 26,482 satisfied customers I have a Honeywell rth 2308. What to Do When The Snowflake Blinks When You Use A Saver Switch Other Potential Fixes For Flashing Snowflake On Thermostat Check The Cool Switch Close The. The schedule of the thermostat is reset. A blinking snowflake on an Emerson thermostat typically indicates that delay mode is active, rather than a drop in temperature. 8/29/22 Why is my thermostat display showing “wait,” “waiting for equipment,” or flashing “cool on”? Each thermostat model has a different display message when a delay occurs. Is there a reset button on a Honeywell thermostat? Press and hold the ‘Up’ arrow and ‘Fan’ buttons. Two blinking snowflakes in a middle of right side of thermostat display means that T-stat is in Delay Mode for about 5 min. Honeywell RTH230B thermostat batteries replaced Ask an Expert Home Improvement Questions HVAC Questions Honeywell RTH230B thermostat batteries replaced Richard, Technical Manager 1,514 Satisfied Customers 27 years of Experience, NATE Certified, professional trainer Richard is online now Related HVAC Questions. Why is the "Cool On," "Heat On," "Snowflake," or "Flame" blinking on the thermostat display? The thermostat has a built-in 5 minute delay to protect your equipment. You will need to replace thermostat. I have a York infinity 8 heat pump, and the temp … read more BillyHvac Journeyman HVAC Tech State Licensed Mechanical 26,518 satisfied customers We have a Honeywell thermostat #TH9421C1004. Flashing snowflake and unit will not engage. This is the mode by which your air conditioner stops short cycling. These following steps are applied to reset the Honeywell 6000 series thermostat. Something Ask an Expert Home Improvement Questions HVAC Questions airheatman, HVAC Technician 19,274 Satisfied Customers Furnace, A/C and heat pump specialist. Follow along as we explore what the blinking snowflake and delay mode means on your Honeywell thermostat. Honeywell makes some of the most dependable and popular options for thermostats on the market. If you see a flashing snowflake icon on your Honeywell thermostat, it can indicate that the thermostat is in cooling mode, but the delay mode is active. After that check, if the outdoor unit is working well after the restart. My Honeywell RTH230B Thermostat is blinking the icon for cooling cycles per hour in the non-programmed operating mode. A flashing snowflake indicates that your thermostat has entered delay mode, which is a safety measure for Honeywell thermostats. You can fix this by restarting the thermostat. It is critical that the HVAC system starts properly. Introduction The RTH230B programmable thermostat can be used to control: • a gas, fuel oil or electric. The “Cool On” message will appear on your Honeywell thermostat if the batteries are dying or there is faulty wiring. Let’s look at the chart below. If “wait” is in the screen or “cool on” is flashing – wait 5 minutes for the system to safely respond. Now release both the button and press the first button from the right. Your Honeywell thermostat’s delay mode will flash a snowflake to indicate that it has entered safety mode.