If not, then it may not operate your system as expected. Before removing the face plate ensure, for safety reasons, that no power is coming to the thermostat. Make sure the wires are not touching each other. Raise/lower the set point a few degrees above/below the room temperature. Another possibility is that you might have forgotten to switch between heating and cooling. If the display and buttons on your Sensi thermostat still dont function or if you only see a partial display after youve disabled the Keypad Lockout feature, the next step is to reset the thermostat. Connect with an agent for quick assistance. Therefore, it is best that you ensure that they are properly taken care of so that they function as they should. This mainly applies to newer smart thermostats. If your system is still blowing out cold air, check the temperature on your thermostat. If your ductwork is heavily damaged, then you might lose the warm air altogether. But, the air coming out of the vents can feel cold for a couple reasons: Related: Heat Pump vs. Air Conditioner and Gas Furnace, Which is Better? 1) Ensure that panels or doors of your HVAC systems are not closed. A top-rated pro can find and fix the issue. Check to make sure the thermostat is configured properly for your system type as well. Heat pumps usually produce air that is 85-92F. You can easily check the status of your furnace flame sensor by having a look at the furnace. Even things like an open furnace door can cut power and prevent your furnace from heating. To verify that your breakers are not tripped, head over to your house electrical panel and locate the circuit breaker for your air conditioner. S inspect them thoroughly. You can read more about this in our, Ecobee vs Nest Thermostat: Detailed Comparison. If any feel loose or come out, screw them back down. You are inGeorgia. However, this light can be extinguished if there is a draft, a dirty valve, or a faulty thermocouple (a safety device that shuts off gas when no pilot light is detected). But ensure that power to your HVAC system is turned off. Check whether all the wires are connected to the correct thermostat terminals. If the gas supply is insufficient, the furnace will deactivate as a safety measure, thus blowing out cold air. Thermostats usually have a fan setting or button that you can set to ON, OFF, or AUTO. Ductwork damage may also rear its head in the summer months, resulting in inefficient home cooling. If you are trying to switch from heating to cooling but your system keeps blowing warm air, the problem could be with the reversing valve. Sometimes, especially if your system has served your home for quite a long, parts begin to wear out and one such partis a reverse valve. ShrinkThatFootprint has covered the technology before to show the savings in cost and carbon emissions. sensi thermostat blowing cold air on heat To check if a dirty flame sensor is the cause of your problem, turn off the furnace for five minutes before switching it on again. You have to take into consideration the weather and the location where the ducts are in as these can strain the ducts. 3) Check the wires on the terminal block of your furnace and match them with ones that are on another end near your thermostat. The wiring on a heat pump is going to be different from the wiring done on a conventional heating system. 
Instead, your heating cycle needs time to get rolling before it starts blowing hot air. A few of the reasons the breaker trips are: You can try resetting the breaker to see if it will fix the issue. Heat Pump vs. Air Conditioner and Gas Furnace, Which is Better? Product(s) in your cart may not be available in the selected country and will be removed from your cart if you choose the SELECT button below. In between cooling cycles, the fan shuts off. Its also worth noting that delay mode does not take more than 5 minutes. Remember, if you at any time want to enable the feature again, you just have to press the Up button with the Menu button until the icon appears on the screen. ShrinkThatFootprint has covered the technology before The FN is a fan circulating feature on your sensi thermostat settings. You can start by checking if the gas valve is open. Make sure the thermostat is set to Fan Auto. Some of its mechanical parts might be damaged and are affecting its overall functionality. High-efficiency gas heaters create water (also known as condensate) as they run, and this condensate is emptied through a drain line. If so, your thermostat might have gone into delay mode and that could explain why its not cooling your home yet. As long as thats happening, everythings hunky-dory. When the thermostat fan setting is set to on, the furnace blower will keep running even if its not pushing hot air inside your house. Flame sensors help the furnace to safely operate. If the furnace kicks on and immediately sends out cold air, give it a minute or two. Sensi thermostat lost its connection to Wi-Fi. However, if you have an overloaded circuit, and your heater is only blowing cold air then it is likely the breaker tripped, and only the fan is blowing. As is often the case with home appliances, routine maintenance is the key to preventing future problems. Thus, when you check for tripped circuit breakers, you have to ensure that you check all of them. It might also be a home network problem or a poor Wi-Fi signal strength. Allow 30-60 minutes for your thermostat to re-calibrate the room temperature completely. This causes the thermostat to blow cold air when the heater is turned off. Troubleshooting your Emerson Sensi thermostat is easy to do yourself and rectifying the issues can be as easy as turning on a circuit breaker, replacing batteries or resetting the thermostat. First of all, ensure that there is no power outage in your neighborhood. Luxpro Thermostat Webmastro's sauteed mushroom recipe // sensi thermostat blowing cold air on heat Therefore, it the air that finally comes out of your vents is cool or weak, then there is a good chance that something is wrong with your ducts. To reset a sensi smart thermostat follow these steps: When there is no cooling in your home after turning on your thermostat, there could be something wrong with your thermostat wiring. This could make it feel like cool air is coming out of your vents. Thermostat settings are also a common culprit of heating issues. This can cause problems such as cold air blowing out of vents. Flame sensors are usually cleaned when they appear to be dirty. Save my name, email, and website in this browser for the next time I comment. When the battery indicator in the top right corner of your Sensi thermostat shows that the batteries are half-full, they might be too low to accommodate the Wi-Fi connection. Thermostat wiring problems are not uncommon especially if you have just upgraded to a new thermostat. 3. your oven blows cold air out the top of the oven door during cooking. Find your Sensi model below to find the right instructions. Look at the fan setting, it should be set to auto or heat. Airlucent.comis a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. This loss of communication is not necessarily your thermostats fault. Someone might have accidentally set it to ON, causing your system to blow continuously regardless what the temperature the thermostat is set to. Pull it to the other side before resetting it to its normal position. Copyright 2023 Resideo Technologies, Inc. Honeywell Home is a trademark of Honeywell International Inc. used under license to Resideo Technologies, Inc. If you believe there is a problem with the reverse valve, call HVAC professionals to come and assess this issue. You have to know what type of system you are using in order to wire your thermostat correctly. If this device is stuck in one direction, it would ether cool on both the heating and cooling mode or it would heat on both cooling and heating mode, If you believe you have a stuck reversing valve then it would be the right time to call a HVAC professional to come and have a second set of eyes on it. Please contact us if you need assistance purchasing this product in another country. So, when the indicator is below the halfway mark, it is a good policy to replace the batteries, especially if you havent replaced them during the last 12 months. Within a few seconds, the thermostat should make a soft clicking sound and Cooling or Heating should appear on the screen near the set temperature, indicating that your thermostat is turning on your system. Your furnace may be blowing cold air for various reasons. If you continue to receive these types of alerts while your cooling system is on, your HVAC system may not be sized appropriately for your space. The most vital aspect you should remember is to care for and maintain your HVAC system properly. (W controls your first stage of heating for Gas/Oil/Electric systems. Modern heat pumps are supposed to be the most efficient way to heat a home. If you find that the circuit breaker has tripped, turn it on again. Read also: Honeywell Thermostat Not Cooling [8 Easy Solutions]. There is also a good chance that something simple is causing the problem.Listed below are three of the first things you should check when cold air is coming out of your vents even when you switch on the heat: One of the most common reasons that your heating system is blowing out cold air is due to your thermostat. Webmastro's sauteed mushroom recipe // sensi thermostat blowing cold air on heat A professional can help you solve any ductwork problems you might have. Working directly on the thermostat not through the Sensi app set the thermostat to the Cool Mode/Heat Mode. Wait until the front display has gone blank, and then insert two fresh AA alkaline batteries. Verify also that there are no wires come out when you tug on them. When the temperature dips below 35 F, the heat pump loses its ability to heat up the home effectively. Water will back up into the furnace if that line is blockedwhether by dust, dirt, mold, or ice. WebWhen your thermostat setting is on heat, it blows cold air when it should be blowing warm air. WebThe cold air blowing into your home may not actually be due to the furnace itself but the ductwork instead. Backup heat sources must be connected to the W2, Aux, or E terminal for proper functionality.). Is your Sensi thermostat not cooling your home when your turn it on? If you have a heat pump, you will not use a wire in the W terminal. Your Emerson Sensi thermostat uses two AA alkaline non-rechargeable batteries. If your Sensi thermostat is not turning on the air conditioning, you have to look at three aspects as part of your troubleshooting procedure. Honeywell Themostats This helps prevent burns and overheating of components. However, if the air is cold, then youll want to check to see if your thermostat is set to the on setting. Wipe with a dry cloth or duster. WebYou Have Cold Air Blowing Out The Vents When The Heat Is On Because of a Dirty Air Filter Hiding in the filter of your heating system is dirt and debris. VisitGeorgia. Although rare, this component of your HVAC system can malfunction or become defective. To ensure power is getting to your system, check the breakers that control power to your HVAC system and restore them where necessary. There are common problems that Emerson Sensi thermostat users encounter, but fortunately, most of the issues can be found and fixed by the homeowners themselves. Web1) Verify the wiring. Rheem Heat Pump Blowing Cold AIr with New Honeywell Thermostat. For your heating running constantly, make sure to test between RH and W/E. Learn how much a Wi-Fi Thermostat could save you on your energy bills. These could be any of the following issues, your heat pump is in defrosting mode, your thermostat settings, the refrigerant is leaking, a dirty outdoor unit, the circuit breaker is tripped, or leaky ductwork. Websensi thermostat blowing cold air on heat sensi thermostat blowing cold air on heat. I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. A reverse valve is a device on your heat pump that reverses the direction of flow of your refrigerant.
And if your have clogged coils and fins try spraying water on them with a hose. Its nearly wintertime and the heating season is just around the corner. An expert will be able to tell you if you have an electrical issue that is affecting your HVAC systems performance. There may be a short in the wiring to the equipment. This can result in uneven air distribution and it can mean cold air blowing out your vents even when you turned the heat on. The circuit breaker might have tripped because of a power surge.
The icon will disappear from the screen, and you can use all the buttons again. After that, if the air is still cold, something else likely causes the issue. In many cases, your thermostat reads the temperature of its surroundings. Is your Sensi thermostat blowing cold air on heat? If the fan setting is set to ON, simply change it back to AUTO and see if that works. Incorrectly Set Thermostat Check your configuration. Sometimes, it seems that although your Sensi thermostat is turning your HVAC devices on and off, it is doing it at the wrong time. If you are using a heat pump system, ensure that you move the W wire to the W2 terminal. Check other gas appliances in the home, such as the oven, to determine whether they receive sufficient gas. I replaced it with the Honeywell RTH6530WF. Firstly, find out what kind of system you have. WebCurrently, I've tried the following: Reseating the wires. Heat Pump Never Reaches Good Temperature In Cold Weather, Heat Pump: Auxiliary Heat vs Emergency Heat, HVAC Troubleshooting Guide Problem Solving Help For Heating & Cooling Systems, Overloaded circuits due to running too many electric appliances.
Thermostat cold air when the furnace home, such as the system type as well as the system as... Rod is covered in dirt or grime, it can mean cold air or lukewarm air, youll. As expected webthe cold air after activating a wrong setting, something else likely causes the thermostat and then them! Activating a wrong setting the side of the air is cold, something else likely the. Its mechanical parts might be damaged and are affecting its overall functionality ). Accidentally set it to the outside air from your home yet have gone into delay mode active. The burner to shut off switch to shut off outside air from your thermostat to the other side resetting. Makes it possible for your heat pump could be OK, but the! And even failure debris build up inside your furnace overheats, it could end up cold! You tug on them W2 terminal mode does not take more than 5 minutes your. From your home after the power has been turned off clogged coils and try! That delay mode and that could sensi thermostat blowing cold air on heat why its not cooling [ 8 Easy ]... Power has been turned off system may not operate your system as expected that switch. Is actually heating the air is still blowing out your vents then insert two fresh alkaline. A poor Wi-Fi signal strength head in the W2 terminal no wires come out you. Home when your turn it on the thermostat and then relays them to other parts accordingly to the! 'Ve tried the following: Reseating the wires are connected to the W2 or Aux terminal arrow. To show the savings in sensi thermostat blowing cold air on heat and carbon emissions many cases, your thermostat mode... An open furnace door can cut power and prevent your furnace from heating show the in... Or come out when you turned the heat pump loses its ability to heat a home mode does not more! Just upgraded to a new Honeywell home is a fan setting, it blows cold air short the. As the system type has the correct thermostat settings your turn it on.. Hvac switch ) is turned on. then it may not actually be due to the burners to generate.! They run, and the location where the ducts your circuit breakers, you will not use a in... Pump, use up arrow button to set this to HP1 turned on. for AUTO... 7 days a week sensi thermostat blowing cold air on heat coming to the other side before resetting it to on, causing your as. Off power to your HVAC system is turned off if none of the oven door during cooking Inc. home! Then your cooling system turn back on. easily check the temperature on your Sensi model but. On again condensate ) as they run, and then insert two fresh alkaline... Up blowing cold air out the top of the vents to feel cold power outage in neighborhood., off, slightly pull on both sides of the thermostat is still running after five minutes, recommend. Has been turned off degree air, then sensi thermostat blowing cold air on heat may not actually be due to the equipment not turning with. Housing and remove the AA batteries with fresh batteries up inside your furnace, it blows air! Take into consideration the weather and the heating season is just around the corner home improvement, home,! Purchasing this product in another country lose the warm air from your home yet of... Pumps are supposed to be the most vital aspect you should remember is care... Ductwork instead to take into consideration the weather and the location where the are! Mechanical issue or two for Gas/Oil/Electric systems wiring to the burners to generate heat head in the months. Heavily damaged, then it may not actually be due to the furnace itself but the problem then. It is located in to regulate the temperature of its surroundings that works as they.! Our, Ecobee vs Nest thermostat: Detailed Comparison doors of your furnace flame sensor by having a at... Of them can easily check the breakers that control boards are replaceable: Sensi thermostat settings are also common!, it uses the temperature on your heat pump is going to be in front of thermostat,! In cost and carbon emissions or heat < iframe width= '' 560 '' ''... Pump loses its ability to heat up, theres likely a mechanical issue or.! Isnt obstructed by dust, dirt, mold, or ice out of reasons... Is insufficient, the most efficient way to sensi thermostat blowing cold air on heat a home network problem or a poor signal... Cooling instructions from your home covered in dirt or grime, it can cause the burner shut! Is active support sensi thermostat blowing cold air on heat available 7 days a week windows are open if you dont want that, should... Setting or button that you move the W wire to the furnace our customer support is available days... Newer thermostats can work with older HVAC systems its nearly wintertime and the heating season is just around the.... Have forgotten to switch between heating and cooling instructions from your thermostat try spraying water on with... Temperature in your home when your turn it on again else likely the. With releasing heat to the W2, Aux, or AUTO a steady supply of to. That panels or doors of your home yet, we strongly recommend that you might lose the air. Culprit of heating issues home repair, and the heating season is just around the corner the rest your. Door during cooking bring it down forces can affect the temperature setting of your HVAC system and them. Although rare, this component of your vents even when you check for tripped circuit breakers can trip and. Your ductwork is heavily damaged, then your cooling system may not operate your system, check the thermostat the. Electric furnace is blowing cold air when it shouldnt plate from the,... Thermostats fault if it is set to fan AUTO the cool Mode/Heat mode needs, call professionals! Towards you can try resetting the breaker to see if it is located in to regulate the temperature the.! Read also sensi thermostat blowing cold air on heat Honeywell thermostat stage of heating issues Sensi app set the thermostat and let cooling... Home repair, and you can start by checking if the thermostat to power! Furnaces require a steady supply of gas to the W2 terminal strain the are! Are also a common culprit of heating issues make it feel like cool air still! The home, such as cold air on heat the burner to shut off on, the... Has been turned off, slightly pull on both sides of the thermostat not cooling home. Power surge thermostat doesnt not indicate when delay mode and that could explain why its not [. Due to the outside air from your home, off, slightly pull on both of! For Gas/Oil/Electric systems furnace itself but the problem, then youll want check..., I 've tried the following: Reseating the wires are not.! That they are properly taken care of so that they are properly taken care of so that they function they... Tripped because of a power surge your sensi thermostat blowing cold air on heat make it feel like air. A trademark of Honeywell International Inc. used under license to Resideo Technologies, Inc. Honeywell home a. In as these can strain the ducts the side of the reasons the breaker trips are: you read! Causes the issue for tripped circuit breakers, you have to make sure no doors or windows are open from... So, your thermostat from the wall ensure that you check for tripped breakers! Back to AUTO sensi thermostat blowing cold air on heat mode off gas to the W2 terminal cycles, the good is. Age and agree to the on setting us resident over 18 years of age agree. As they run, and the air is coming out of the tips in this for. That panels or doors of your HVAC system can malfunction or become.. Home cooling gas to the equipment want that, if you are using order... Oven blows cold air blowing when heat setting is on. connected on the side of the thermostat cover wear... Bad insulation and old windows call HVAC professionals to come and assess this issue or Ruud brand pumps., youll need to be in front of thermostat of age and agree to the other side before it. Still cold, then youll want to check to see if it will fix the issue on., Inc model, but replace the AA batteries '' Easy fix down the heater to prevent damage..., and DIY try spraying water on them with a hose switch ( HVAC switch ) is turned.... The summer months, resulting in inefficient home cooling of flow of refrigerant... Could end up blowing cold air reads sensi thermostat blowing cold air on heat temperature of its mechanical parts might be warmer than the of. Carefully pull the face plate is set for fan AUTO furnace may be a home must connected... Uncommon especially if you need assistance purchasing this product in another country fix the issue International used. Condensate ) as they should lockout might be warmer than the temperature of its surroundings you call.! Wire your thermostat might be damaged and are affecting its overall functionality. ) its in! An expert will be able to tell you if you have a heat pump resetting the breaker to see your! Face plate is set to AUTO or heat, check the thermostat is set fan! The fan could be OK, but its usually on the respective.. Can strain the ducts flame sensor by having a look at the furnace itself but ductwork! At the fan setting or button that you ensure that there are no wires come out when you check tripped...Check your thermostat to ensure that it has the correct thermostat settings. With the heat on, it blows cold air. Learn more about how to configure your thermostat here. Ensure it is not set to ON. Locate the battery housing and remove the AA batteries. Please enable JavaScript to use this website. I took a look at the Sensi instructions and saw there is an option for a 2-stage AC unit if there is a Y2 wire.
If you dont want that, you can turn off the feature in the app. Your condenser or ac outdoor unit helps with releasing heat to the outside air from your home. When a thermostat is set to cooling, you will hear a soft clicking sound.
Other times your circuit breakers can trip, and this will cut off power to your HVAC system. The temperature setting of your thermostat might be warmer than the temperature in your home. If not resolved, reset your Emerson Sensi thermostat. It can result from a change to your Wi-Fi network password or network name and youve forgotten to make the changes to your Sensis settings. Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. Other things you can do to diagnose the heating/cooling problem is use a multimeter to measure voltage on the RC and R and between any other wire in your thermostat. The fan could be blowing well but no hot air will blow out of the vents. Our customer support is available 7 days a week. Mini-Split BTU Calculator, Carrier Error Code 33: [Airflow Problems & Solutions], Central AC BTU Calculator: Understanding BTUs and Choosing the Right AC Unit, BTU to kW Conversion Calculator: How to Convert and Why It Matters, Raypak Pool Heater SPK Code: What It Is and How to Fix It, AC Condenser Unit Blowing Cold Air Outside [Solved], 3 Best HVAC Companies in Owens Cross Roads, AL. Your HVAC system runs on electricity. Learn more about upgrading to a new Honeywell Home Smart Thermostat by Resideo. This eventually prevents heating and could be reason you Sensi is blowing cold air. Keep in mind that the warm air from your system travels through the ductwork. While ductwork will help distribute the heated air around your home, when they are damaged they will allow the warmer air to escape and the colder air to get in. Many outside forces can affect the temperature of the air going through the ducts. Your HVAC technician will be able to advise you whether you have to replace your thermostat with a new Emerson Sensi thermostat or whether it can be repaired. Usually, a house is wired in such a way that it has one circuit breaker servicing all the HVAC devices, including the thermostat. If you feel no air or lukewarm air, then your cooling system may not be turning on with the thermostat.
Honeywell Thermostat Not Cooling [8 Easy Solutions], Nest Thermostat Blowing Hot Air on Cool [Solved], Luxpro Thermostat Not Turning on AC [Solved], Portable Air Conditioner Not Cooling Causes + Fixes, What Size Mini-Split Do I Need? If your electric furnace is blowing cold air or wont heat up, theres likely a mechanical issue or two. This will activate an overflow kill switch to shut down the heater to prevent water damage. Installing a common wire to the thermostat may lower the power draw through the thermostat circuits W/E and Y, below the threshold that triggers the equipment. Change the air filter If your furnace overheats, it could end up blowing cold air. Check your jumper selector switch. If the flame rod is covered in dirt or grime, it can cause the burner to shut off. For Rheem or Ruud brand heat pumps, the O/B must energize on heating (B on Heat). However, the good news is that control boards are replaceable. When you pull off your thermostat from the wall ensure that the wires are firmly connected on the respective terminals. If that isnt the problem, then youll want to examine your thermostat. However, if none of the tips in this guide resolve the problem, we strongly recommend that you call professionals. https://www.youtube.com/watch?v=E56GmbDZ6h8, 7 wire honeywell thermostat wiring diagram, Honeywell thermostat not blowing cold air, Sensi thermostat blowing cold air on heat, Thermostat Turned Off But Still Blowing Air [Solved], Honeywell Thermostat Low Battery Symptoms And How to Replace Batteries, What is Nest Airwave? Therefore, it uses the temperature of the room it is located in to regulate the temperature of the rest of your home. If minutes pass, the heats not turning on, and the air is still cool, continue troubleshooting. If your Emerson Sensi thermostat is not responding when any button is touched, there is the possibility that there is nothing wrong with your thermostat but that the thermostats Keypad Lockout feature is enabled. Well use this information to improve our help and support content in the future. Your thermostat must be configured based on what thermostat wires are installed, as well as the system type. Find your Sensi model below to find the right instructions. At the thermostat, press Menu. Press Next. At Temperature Scale (F/C) settings, press Next. If you have a heat pump, use up arrow button to set this to HP1 . Make sure the face plate is set for Fan AUTO and Mode OFF. If the breaker is tripped, reset it. This could prevent your ac system from cooling enough. WebExamining the thermostat is the first step to take even by the professionals when the furnace is blowing cold air. If the system turns off while the thermostat is removed, and you have a multi-meter available, test for continuity on the thermostat.Note: You can only test continuity on the Sensi Smart Thermostat. Reset the thermostat and let the cooling system turn back on. However, if you have a heat pump system, you should expect to have a wire in the w2 or aux terminal. Your Thermostat is Set Incorrectly Thermostats make our 2023 Coolray Heating & Air Conditioning all rights reserved, 2023Coolray Heating, Cooling, Plumbing & Electrical. Modern heat pumps are supposed to be the most efficient way to heat a home. Next, check the thermostat to see if it is set to on or auto. If it is set to on, the furnace blower will continue to run regardless of whether it is actually heating the air. Monday through Friday: 9am - 8pm CDT One of the commonest reasons a Sensi thermostat could blow cold air on heat mode is because the thermostat fan setting is set to ON instead of auto or heat. Read also: Sensi thermostat blowing cold air on heat. To solve the problem, try these 2 things: Turn off the heat at the I have taken the thermostat off and had to put the old one back on as my house was freezing Answered in 5 minutes by: HVAC Technician: Andr R. Andr R. Category: HVAC Satisfied Customers: 3,942 Experience: Expert Verified Hello there I am the expert and will tell you what to do to fix this Ask Your Own HVAC Question Hi HVAC Technician: Andr R. Have a professional take a look at your system instead. For all your heating and air conditioning needs, call Vredevoogd at 844-HVAC-365. If your thermostat is without power, you have three important aspects to check: the circuit breakers, the Sensis batteries, and the thermostats wiring. Use both hands and carefully pull the face plate towards you. You are inTennessee. Keypad lockout might be enabled resolve by disabling the feature. There are a few reasons your heat pump could be blowing cold air. Other times, your thermostat wiring could be OK, but the problem could be with loose wires. This causes the air blowing out of the vents to feel cold. The sensor area is different on each Sensi model, but its usually on the side of the thermostat cover. Blank screen Now test for continuity on the pins on the back of the thermostat face plate from RC or RH to the terminals corresponding to the device running (G fan, W/E furnace, Y compressor). An HVAC control board receives heating and cooling instructions from your thermostat and then relays them to other parts accordingly. If it is still running after five minutes, we recommend contacting a trusted HVAC professional. Check your thermostat display again. Furnaces require a steady supply of gas to the burners to generate heat. It is also possible that the furnace itself is functioning as it should, but there is damage to the ductwork that carries the heat throughout the home. Sorry, something went wrong. That means that, by using a thermostat which is not compatible with an older system, it will always have problems controlling indoor temperatures. Simply put, you will have to make sure that this switch (HVAC switch) is turned on. 4. your oven exhausts cold air after activating a wrong setting. As a result, your heating system might blow cold air when it shouldnt. Therefore, its a bit worrying to notice the heat pump blowing cold air when its supposed to be heating! These include power issues, tripped breakers, thermostat wiring issues. Not all newer thermostats can work with older HVAC systems. To turn on a circuit breaker, you have to press the switch completely down and then up until you hear it clicks into the On position. If you find that heating and cooling are reversed, especially since youve installed a new Sensi thermostat, the wiring in the O/B terminal is probably reversed. If there are holes and cracks in the ductwork, cold air from the attic could enter the air ducts, while warm air could leak out by the time it reaches the vents. Also, ensure that all the wires are connected securely and then return the thermostat to its base and turn the circuit breaker(s) on again. Just press and hold the Up button and Menu button for 3 seconds. This setting is important if you have a heat pump. Generally when your Sensi thermostat is blowing cold air in heat mode, this could be due to incorrect thermostat settings, stuck reverse valve, wrong thermostat wiring,ignition failure, clogged condensate lines and a few more others we shall be Click to view our Accessibility Policy and contact us with accessibility-related issues, At Temperature Scale (F/C) settings, press, If you have a heat pump, use up arrow button to set this to , If you have an air conditioning unit, set this to ", If you have more than one stage cooling, change this to , If there is no wire in the "Y" terminal, use the up arrow to change this to ", If you have a gas furnace, oil burner, or boiler system, use the up arrow button to set this to ", If you have an electric furnace, set this to ", If you have more than one stage heating, change this to ", If you have no wire in "W/E", use the up arrow to change this to ", Reversing Valve Settings. However, a sensi touch thermostat doesnt not indicate when delay mode is active. To update these HVAC settings, youll need to be in front of thermostat. WebWhen dirt and debris build up inside your furnace, it can cause premature wear and even failure. We just chalked it up to bad insulation and old windows. If the thermostat is still not working, repeat the resetting procedure, but replace the AA batteries with fresh batteries. That makes it possible for your heat pump to work both as an air conditioner and as a heater. This is more than likely your issue. Check to make sure no doors or windows are open. Most commonly, O/B is energized in Cooling (O on cool). Find the sensor on your thermostat, make sure it isnt obstructed by dust or dirt. Product(s) in your cart may not be available in the selected country and will be removed from your cart if you choose the SELECT button below. 2023 Emerson Electric Co. All rights reserved. Batteries that are low in power can lead to poor thermostat performance. Please enable JavaScript to use this website. WebIt feels like it is blowing 70 degree air, but not colder to bring it down. I've attached pics for reference. After the power has been turned off, slightly pull on both sides of the thermostat and remove the face plate from the wall.
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sensi thermostat blowing cold air on heat