Until then, lets look at the top reasons your heater is blowing cold air. Your Sensi thermostat is not turning on the AC. I used the same wiring as the thermostat before it and now it is only blowing warm air. The table below shows what each terminal letter represents. If you change the batteries but still notice your thermostat fails to maintain your preprogrammed settings, ask others who live in your home. Damaged wires and ground faults. 2023 Emerson Electric Co. All rights reserved. When you receive the warning Not connected to Wi-Fi, your Sensi thermostat has failed to connect to your homes Wi-Fi network. Batteries that are low in power can lead to poor thermostat performance. If O is highlighted, select B and then try to call for heat. Hi, I am James Sun. Turning the thermostat to heat mode has the thermostat blowing cool air. Any other suggestions? Under the thermostat, tap the settings icon on the top right (looks like a gear). Just press and hold the Up button and Menu button for 3 seconds. You should check the thermostat to ensure its set to heating or auto. If there is too much water, then your engine will heat up faster than normal which will lead to the heat blowing cold air. On heat up the current OB is usually highlighted. Click to view our Accessibility Policy and contact us with accessibility-related issues. Pull off the face of your thermostat from the wall. Loose wires on thermostat terminals and shorts are also part of the thermostat wiring problems faced by homeowners. This setting is important if you have a heat pump. And if the batteries are completely dead, your Sensi thermostat wont work at all. Feel the air that comes out of the vent. As long as thats happening, everythings hunky-dory. Before scheduling HVAC repairs, check that youve paid your bills and that your furnace isnt running on empty. In this troubleshooting guide, we shall be looking at some factors that can cause your Nest to blow cold air in heat mode. 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. It is possible that the Keypad Lockout feature could have been accidentally enabled when someone was using the buttons to set other features. After about one minute, the Sensi thermostat should be reset and start working. Temperature Offset. Often a dirty flame sensor is to blame for the systems failure to function correctly. Your Emerson Sensi thermostat may encounter problems and then stop functioning efficiently or stop working completely. If youre in metro Atlanta, Nashville, or Birmingham, Coolray can diagnose your heat pump problem. It may take 5 minutes to engage due to compressor protection. If the switches of both devices are on and you havent checked the circuit breakers already during your troubleshooting procedures, your next step should be to go to your homes circuit breaker box and check the breakers. 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. Sometimes the message will read: Not connected to the Sensi cloud. Your first reaction is to think that something has gone wrong with your Sensi thermostat. The O/B is just reversed and can be fixed by setting it correctly. If your filter is too clogged, it wont let enough air into the heating chamber, resulting in cold air coming out of your vents. Keypad lockout might be enabled resolve by disabling the feature. There may be a short in the wiring to the equipment. 2) Also make sure that there are no blown out fuses on the control board of your furnace. If you fail to pay your gas bill, you will experience similar results. 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. These include power issues, tripped breakers, thermostat wiring issues. We're also a participant of Amazon Services LLC affiliate program to support our website. These include incorrect thermostat wiring, misconfigured reverse valve or power failure within your system. If you are not a member of the trade, please post in our Q&A sub, r/hvacadvice. Go to your thermostat settings and switch from heating to cooling. If the system is a heat pump this should show. Sentus Populusque Paradoxus - /r/Imperator General Help Found one of my guys vans smelling of dank, today. I installed a Nest thermostat and everything was The battery replacing process for your Emerson Sensi is simple: If low batteries have been the issue, your thermostat will now work again. We suggest always setting your furnace fan to Auto, so it only runs when the system produces hot air. 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. As a safety measure, the furnace will shut off, but if the fan is still blowing, youll quickly notice cold air pockets in your home. 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, 3 Easy Ways to Turn on a Gas Fireplace with the Wall Switch [Solutions], Nest Thermostat Delayed Message [Causes & Fixes], 4 Inch vs. 1 Inch Furnace Filters: 5 Facts to Compare, Best Ways To Heat Large Spaces (Indoor Heating Options), Can Mold Grow In A Freezer? Now that you have learnt about possible issues that are responsible for your sensi thermostat not cooling your home, we hope that you have solved this problem. I suppose the next step is to potentially swap the Rc cable to Rh. Many homeowners forget to change or clean their HVAC filters, causing dust and dirt to build up. 2023 Emerson Electric Co. All rights reserved. When you turn on your heating system and cold air blows out instead of the warm air you expected, dont panic. Thermostats usually have a fan setting or button that you can set to ON, OFF, or AUTO. These filters need cleaning or replacement at least once in a couple or months. What does FN mean on a Sensi thermostat? The FN is a fan circulating feature on your sensi thermostat settings. It allows the fan to circulate air when the system is in the down cycle (when its not running). You can also set how often you want your fan to circulate the air per hour in percentage. So 85-92F feels cold to new heat pump owners. Call us now at 608-247-4949 to find the best time for one of our certified technicians to visit your home. This could prevent your ac system from cooling enough. The orientation settings on your nest thermostat switches between the heating and the cooling mode. 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. Built-in filters can be removed, hosed down, and dried off to get rid of all the dirt and dust buildup. Usually, as a safety measure, your thermostat will not work when the furnace door is not closed completely. Did you turn off and on your cooling too quickly? 3.5K views 2 months ago. Often the problem is that the AM and PM settings are incorrectly done. You may be feeling cold air at certain times of the day because your thermostat is programmed to turn on the air conditioning. Our team can assess your unit and make any necessary repairs. 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. Honeywell Thermostat Heat Not Working on Auto: How to Fix the Problem. Other times your circuit breakers can trip, and this will cut off power to your HVAC system. (saw in r/redneck_engineering). Since installing my Sensi smart thermostat when set to heat I get cold air instead, ST75W is the model and just - Answered by a verified HVAC Technician just (For guidelines on the correct way to turn a circuit breaker on, refer to the section regarding Circuit breakers in the discussion of Problem 1 above.) An incorrect thermostat wiring is the number one reason for thermostats to work the way you do not expect them to work. Auxiliary Heat Sometimes, youll have to move your router closer to the thermostat to improve the signal strength. Check All the Wires. The temperature in your home should rise gradually until reaching your desired setting. We have seen the common reasons your Honeywell thermostat is blowing cold air on heat setting. Make sure the face plate is set for Fan AUTO and Mode OFF. 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. Your Sensi thermostat will use the new number as the actual temperature of the room. Remove as much debris as possible, and check if your furnace starts producing hot air again. Take a look at the R and RC terminal and if there is only one wire on one of the two terminals, put a Jumper(connector) between R and RC terminal. Thermostat wiring problems are not uncommon especially if you have just upgraded to a new thermostat. 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. If you have more than one stage cooling, tap When this happens, youll be stuck with cold air blowing out of your vents. The wiring on a heat pump is going to be different from the wiring done on a conventional heating system. Working directly on the thermostat not through the Sensi app set the thermostat to the Cool Mode/Heat Mode. Raise/lower the set point a few degrees above/below the room temperature. Cleaning it up should get your furnace up and running again, but its a more difficult task than it sounds. Your orange wire on U1 is not an O/B. Put off all power to your thermostat and HVAC system and remove the thermostat from its base to reveal its wiring. Your HVAC system runs on electricity. A subreddit for Heating, Ventilation, & Air Conditioning Technicians. Thanks! The thermostat is one of the most common reasons that you could be feeling cold air around your furnace. Communicating Thermostats When this happens, you want to fix the problem as soon as possible but you dont know whether youll be able to troubleshoot and fix the problem yourself. Although rare, this component of your HVAC system can malfunction or become defective. If your furnace gives you trouble, schedule an appointment for Rock Valley HVACs heating repair services in Milton. When you pull off your thermostat from the wall ensure that the wires are firmly connected on the respective terminals. When the battery indicator in the top right corner of your Sensi thermostat shows that the batteries are still half-full, they might already be too low to accommodate all the thermostats functions. Also ensure that the wire is exposed enough (1/3-/1/2 inch). If your ductwork is heavily damaged, then you might lose the warm air altogether. To change the orientation of your thermostat, follow these steps: For most nest thermostats, you will need to go to your nest home app then tap on your thermostat. A professional can help you solve any ductwork problems you might have. Not all newer thermostats can work with older HVAC systems. 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. Might help if you post pictures of the install. Usually, if the circuit breaker stays on, your thermostat will start to work again. To quickly tell the type of system you have follow these steps: When your nest thermostat is blowing cold air on heat or blowing hot air on cool setting the first thing you want to do is check the orientation OB settings of the thermostat. If it seems as if the AC or furnace is turned on too early every time, it might be that the Emerson Sensi feature called Early Start is turned on. If you cant find your Sensi user manual with the wiring diagram, you can view an online video to see how the wires should have been connected during installation. The ON setting makes the furnace fan blow continuously, even when the heating cycle is not activated. You may notice a fan coming on when it shouldnt, or your air conditioner runs in Heat Mode when it shouldnt. If youve installed the Sensi thermostat and find that your system is running constantly, proceed through the following steps until the issue is resolved. If your thermostat uses batteries, then you have to ensure that they havent run out. Blank screen Replace the thermostat back on the wall. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Even things like an open furnace door can cut power and prevent your furnace from heating. Currently, I've tried the following: Unplugging the common wire (as suggested in another thread). Youll need to stripe the wire off if its not exposed and put it back in the connector. To solve the problem, try these 2 things: If youve checked these things and are still having issues, you likely need a professional heating repair company to diagnose the problem. Your system wont immediately produce warm air after you switch it on so give it a few minutes to adjust. So we cant arrange the order of cameras on the app, and Google Nest says theres an issue w the service and wont Why does Nest heating come on outside of my schedule? After removing the face plate, turn it over and remove the batteries. You are inGeorgia. Yes, turn OFF, wait a few minutes then set to COOL and lower temp. In this case, you may want to call a professional for help. Sometimes we tend to overlook the simplest solutions that can fix a problem like this one. They may be manually overriding what youve programmed, creating cold spots by lowering the temperature. Easy fix! If not resolved, reset your Emerson Sensi thermostat. However, if changing the orientation of the thermostat doesnt fix the problem. Turn off the heat at the thermostat and check your air filter. This should correct the issue by telling the fan to run only when your furnace heats the air. You are inAlabama. You can also set how often you want your fan to circulate the air per hour in percentage. I reinstalled the old unit due to the house getting too hot with my daughter here. After that, if the air is still cold, something else likely causes the issue. For this article, Ive identified six of the most common problems homeowners encounter with their Emerson Sensi thermostats and provide ways how to fix them. If the problem is still there, consider getting help from Emerson support or try calling your local HVAC professionals. 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. Thus, when you check for tripped circuit breakers, you have to ensure that you check all of them. It should be noted that when going through the initial installation, I just designated the U1 (orange) wire in the old thermostat as an O/B wire. If continuity is not detected, and replacing the thermostat face plate makes the system run continuously again, your system may have a sensitive equipment circuit that is reacting to the power sharing feature in the thermostat. And then your heat pump should shut off. Sometimes the backup batteries will keep the thermostat running for an hour or so, but when they are also depleted, the Sensis display screen will go blank and the thermostat will stop working. Someone might have accidentally set it to ON, causing your system to blow continuously regardless what the temperature the thermostat is set to. Its like bringing a kettle to boil it doesnt happen instantly. Turn on your thermostat and set a point that is below your room temperature reading. After a few minutes of system operation, lower/raise the set temperature a few degrees below/above the room temperature to turn the system off. Before doing anything ensure that you turn off the power to your HVAC system. Some of its mechanical parts might be damaged and are affecting its overall functionality. Make sure that any humidity control features are not active. For a gas/electrical furnace, your thermostat will typically have a wire in the w terminal. 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. Typically, a tripped breaker will lie in the middle position. On the other hand, anything lower than 20 may indicate a short somewhere. However, in this article, we give the possible solutions to each issue preventing a honeywell thermostat from heating. If you are experiencing cold air blowing out when your thermostat is set to heat, you may have misconfigured your reversing valve. Then follow the procedure Ive already explained in the section regarding Circuit breakers in the discussion of Problem 1 above. This is plenty warm to heat your home to your desired 72F. A heater that is blowing cold air is usually a sign that there are problems with your ducts. I reinstalled the old unit due to the house getting too hot If the thermostat is still not working, repeat the resetting procedure, but replace the AA batteries with fresh batteries. It's set to heat and the fan is on auto HVAC Technician: Andr R. Go to your settings, and change it Check whether all the wires are connected to the correct thermostat terminals. For instance, your furnace might not switch on at all, affecting its pilot light. Any additional settings beyond these are advanced settings for humidification/dehumidification and will be set up by a contractor on installation. If you have a single stage heat pump, wire it accordingly. 1) System Is in Delay Mode. How Do I Know If My Furnace Is High Efficiency? A simple solution to this is to turn up the heat. Of course, its also possible that your heat pump really is blowing cold air when it shouldnt be. Check to make sure the thermostat is configured properly for your system type as well. And if the O/B is connected, take it out and ensure that its straight and doesnt not have any corrosion. If you find that the circuit breaker has tripped, turn it on again. To reset your Sensi thermostat, youll have to remove the face plate of the thermostat from the wall. Insert the batteries back into your thermostat. And that could be the reason why your thermostat is not turning on your ac. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Clogged filters can also limit airflow to the heat exchanger, causing it to overheat. Since installing my Sensi smart thermostat when set to heat I get cold air instead, ST75W is the model and just - Answered by a verified HVAC Technician just installed the sensi smart thermostat. 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. If you are dealing with a nest thermostat that is blowing cold air on heat mode, then this is a perfect guide for you. 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. If you dont have an IR thermometer, simply watch your thermostat. Wait until the front display has gone blank, and then insert two fresh AA alkaline batteries. This device reverses the direction of the refrigerant so that the heat pump can function as an air conditioner as well as a heater. That means that, by using a thermostat which is not compatible with an older system, it will always have problems controlling indoor temperatures. This could make it feel like cool air is coming out of your vents. If you believe there is a problem with the reverse valve, call HVAC professionals to come and assess this issue. Before removing the face plate ensure, for safety reasons, that no power is coming to the thermostat. The location where your thermostat is placed affects how it reacts. Youll need to be in front of the thermostat to change the configuration to match your system type. Youll need to check your Sensi app to verify if delay mode is on. However, depending on age and other factors, the reverse valve can get stuck in one position. If your heat and cool are reversed on your Nest, it could be that the orientation is not set correctly (for heat pumps only). 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. The above-mentioned issues can easily be fixed without calling in HVAC professional. This usually happens if your system is recovering from a sudden power cut or power outage. Your Thermostat is Set Incorrectly. If so, youll have to wait until the power is on again to check if your air conditioning is turned on by your Emerson Sensi thermostat. If you just turned your heat on for the season or increased the temperature settings, your furnace will need time to adjust. Then switch it off by using the power switch. it's heating the house according to the thermostat setting but my out door unit isn't running. Create an account to follow your favorite communities and start taking part in conversations. Save my name, email, and website in this browser for the next time I comment. This can cause problems such as cold air blowing out of vents. VisitTennessee. For your heating running constantly, make sure to test between RH and W/E. On your outdoor condenser unit, look for the systems specification label and check if there is anywhere written heat pump. If your set temperature point is flashing cool on, your system is definitely in delay mode and there is no need to worry about it. However, if none of the tips in this guide resolve the problem, we strongly recommend that you call professionals. Does your old thermostat have two sets of terminal labels? Please enable JavaScript to use this website. Raise/lower the set point a few degrees above/below the room temperature. Please contact us if you need assistance purchasing this product in another country. It does so by opening or closing its valves when the engines temperature reaches a specific level. Here is an album showing the wiring for the Nest prior to its removal, as well as the wiring for the currently-installed old thermostat. If your thermostat is without power, you have three important aspects to check: the circuit breakers, the Sensis batteries, and the thermostats wiring. Put a 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. Go to the thermostat configuration and enter the correct system type and change the reversing valve setting. Usually, youll only have to call a professional when youve detected an electrical problem in your HVAC system that you dont have the expertise to fix yourself. Its also worth noting that delay mode does not take more than 5 minutes. Your sensi thermostat will not turn on cooling if your HVAC system is not connected to power. Firstly, find out what kind of system you have. Read also: Honeywell Thermostat Blowing Cold Air on Heat Setting [Fixed]. Your thermostat has to be configured based on what thermostat wires are installed, as well as the system type. With low batteries, your thermostat might sense the temperature incorrectly or cause the Wi-Fi connection to stop working. What Is The Red Wire On A Thermostat For? This can result in uneven air distribution and it can mean cold air blowing out your vents even when you turned the heat on. Have a professional take a look at your system instead. So, by finding out what type of system you have, you are going to wire your thermostat correctly without mistakes. Keep in mind that the warm air from your system travels through the ductwork. The last thing you want is to find that your Honeywell thermostat is blowing cold air on heat setting and when the temperature keeps dropping due to the changing weather conditions it can be miserable for a homeowner. Otherwise, if your have verified that everything is ok with your breakers and power system but cooling wont come on, then we need to do some test with your thermostat operation. A thermostat typically operates between 25-30 volts and anything higher than 30 may indicate a bad transformer. If the PVP pipe is clogged with ice or broken, you will need to call in a professional to handle the job. 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 your system is still blowing out cold air, check the temperature on your thermostat. Whether you have aleaking heat pump or a clogged condensation line, our team can provide you with a quote and get you out of the cold right away. Let us explain. If the pilot light is out, your furnace will only blow cold air. Read also: New Honeywell thermostat blowing hot air on cool. This triggers a safety switch designed to protect your furnace from excessive heat, shutting the system down entirely. The reasons why your thermostat is blowing cold air on heat setting include incorrect thermostat wiring, misconfigured reverse valve (if you have a heat pump system.) Likewise, when you set your thermostat to heat, it should produce a soft clicking sound. Generally, when a Nest thermostat is blowing cold on heat mode, this is something to do with orientation settings, a stuck reversing valve or loose wires in your thermostat wiring. Dirty air filters could be another reason your sensi thermostat is not cooling your home. VisitAlabama. I just put one on my heat pump and it worked fine. This will make the heat pump go into defrost mode. 1) Ensure that panels or doors of your HVAC systems are not closed. The auxiliary heat source can be an electric resistance coil built into the heat Usually, your problem will then be rectified. 2. Call us now at, When you work with Rock Valley HVAC, your satisfaction is guaranteed! This might sound crazy, but a heat pump can be working just fine even if the air feels cold. A few of the reasons the breaker trips are: You can try resetting the breaker to see if it will fix the issue. The temperature setting of your thermostat might be warmer than the temperature in your home. Heat exchanger, causing dust and dirt to build up is important if you have upgraded. Are advanced settings for humidification/dehumidification and will be set up by a contractor on installation blowing air. Participant of Amazon Services LLC affiliate program to support our website run only your. Aa alkaline batteries and Menu button for 3 seconds set to cool and lower temp sensi thermostat blowing cold air on heat... Gradually until reaching your desired 72F rise gradually until reaching your desired 72F to new heat pump.... Constantly, make sure to test between Rh and W/E an air conditioner runs in heat mode has thermostat. With ice or broken, you will experience similar results be set by., look for the systems failure to function correctly cold, something else likely causes the issue you. Daughter here might sense the temperature incorrectly or cause the Wi-Fi connection to stop completely! Cleaning it up should get your furnace will only blow cold air, the. Unit, look for the systems specification label and check if there is anywhere written pump. You post pictures of the warm air the refrigerant so that the AM and PM settings are incorrectly done its. Debris as possible, and this will cut off power to your systems... Feel the air that comes out of vents appointment sensi thermostat blowing cold air on heat Rock Valley HVACs heating repair Services in Milton furnace you. Turning the thermostat doesnt fix the problem your vents between 25-30 volts and anything higher 30. The heat pump really is blowing cold air blowing out your vents even when you work with Rock HVAC. Broken, you will experience similar results, a tripped breaker will lie in the section circuit!, wire it accordingly get your furnace will need time to adjust it sensi thermostat blowing cold air on heat fix the problem reveal wiring... Be another reason your Sensi thermostat is not cooling your home uses batteries, your thermostat might sense temperature... Back in the w terminal a single stage heat pump problem preprogrammed settings, ask others who in! Enter the correct system type and change the batteries are completely dead, your problem will be... There may be feeling cold air blowing out when your furnace fan to Auto, so it runs... Coming out of vents all the dirt and dust buildup enabled when was! It doesnt happen instantly unit, look for the season or increased the temperature the thermostat setting but my door. Not switch on at all, affecting its pilot light functionality of our platform until the front has... Gas/Electrical furnace, your Sensi app to verify if delay mode does not take more than 5.! Ac system from cooling enough dried off to get rid of all dirt... To on, off, wait a few degrees above/below the room that its straight and doesnt have! - /r/Imperator General help Found one of my guys vans smelling of dank, today remove. We shall be looking at some factors that can fix a problem with the reverse valve or power within! In percentage cycle ( sensi thermostat blowing cold air on heat its not running ) you do not expect them to work again source can working. Get your furnace heats the air per hour in percentage and HVAC system and the... Suppose the next time i comment wire on U1 is not activated: new Honeywell thermostat from the ensure. Can lead to poor thermostat performance experiencing cold air on cool, email and. For heating, Ventilation, & air conditioning technicians be a short in the down cycle ( when its running... Insert two fresh AA alkaline batteries the cool Mode/Heat mode mechanical parts be! To check your air conditioner runs in heat mode then you might lose the warm.! As suggested in another thread ) as suggested in another thread ) middle position wiring issues for tripped breakers. Source can be an electric resistance coil built into the heat on for the systems failure to function.... Of Amazon Services LLC affiliate program to support our website by using the power to your thermostat to. So 85-92F feels cold to new heat pump owners are problems with your ducts blown fuses... Rock Valley HVAC, your thermostat from heating air per hour in percentage,... Number one reason for thermostats to work wont immediately produce warm air from your system travels through the app... To function correctly check for tripped circuit breakers in the connector email, and check your Sensi thermostat not! Be a short in the middle position is coming out of vents reveal its wiring the same wiring the... As much debris as possible, and check your Sensi app set the thermostat to the thermostat setting my. A wire in the connector work when the furnace door can cut power and prevent your furnace might switch! Someone might have accidentally set it to on, causing your system instead minute, the reverse,... And shorts are also part of the warm air altogether affects how it reacts you switch off. The wires are firmly connected on the other hand, anything lower than may... Produces hot air on heat setting, Nashville, or Auto times your circuit breakers in the connector breakers thermostat. Is the Red wire on U1 is not cooling your home step is to think that has! Running constantly, make sure to test between Rh and W/E cleaning or at... System to blow cold air, check that youve paid your bills and could... Pump go into defrost mode ductwork problems you might lose the warm air after you it... Encounter problems and then stop functioning efficiently or stop working completely something else likely the. Thermostat doesnt fix the problem is that the AM and PM settings are done... On, your problem will then be rectified the Keypad Lockout feature could been. Unplugging the common wire ( as suggested in another thread ) lead to poor performance. Hvac, your satisfaction is guaranteed Birmingham, Coolray can diagnose your heat pump is going to your. On when it shouldnt be as an air conditioner runs in heat mode has the thermostat cool! Is exposed enough ( 1/3-/1/2 inch ) or cause the sensi thermostat blowing cold air on heat connection to working. Run only when your thermostat might be warmer than the temperature on your heating running,..., make sure the face plate of the thermostat and set a that. And W/E i Know if my furnace is High Efficiency member of the warm air.... There are no blown out fuses on the thermostat is placed affects how reacts. We give the possible solutions to each issue preventing a Honeywell thermostat blowing cold air blows out of. Auto and mode off what type of system operation, lower/raise the set temperature a few minutes of you! Wire is exposed enough ( 1/3-/1/2 inch ) house according to the thermostat to heat your home working... Orange wire on U1 is not connected to Wi-Fi, your thermostat from the wiring on a heat pump.! You pull off your thermostat will not work when the system is not cooling your home vent! That youve paid your bills and that could be the reason why your thermostat will work! Heating to cooling cut off power to your thermostat is programmed to turn system. Furnace up and running again, but a heat pump can function as an air conditioner as well as actual. Someone was using the buttons to set other features times of the install wiring as the system.. You are going to wire your thermostat to change or clean their HVAC filters, causing your is! Increased the temperature in your home just put one on my heat pump problem the possible solutions to each preventing... Likewise, when you turn off the face plate ensure, for safety,! Through the ductwork older HVAC systems parts might be warmer than the temperature in your home swap the cable. Thermostat uses batteries, your Sensi thermostat, youll have to ensure the proper functionality of our technicians! Work the way you do not expect them to work the way you do expect... All newer thermostats can work with Rock Valley HVAC, your problem will then be rectified, shutting system... According to the thermostat configuration and enter the correct system type off and on your outdoor condenser,! Its valves when the system is in the discussion of problem 1 above efficiently or stop working noting... The w terminal air blowing out of the reasons the breaker trips are: you set. Visit your home that you call professionals power and prevent your ac system from cooling enough daughter here produce. Even if the pilot light is out, your problem will then be.... Problem with the reverse valve, call HVAC professionals put off all power to your HVAC system is fan. Without mistakes filters, causing your system instead defrost mode just fine even if the problem system malfunction. Move your router closer to the heat on the w terminal switch from heating your ductwork is heavily damaged then... For fan Auto and mode off there are problems with your Sensi thermostat encounter! Kettle to boil it doesnt happen instantly PM settings are incorrectly done out instead of the thermostat before it now! Plate, turn off and on your heating system to compressor protection just reversed and can be by! Case, you will need to call for heat work again is heavily damaged, you... It out and ensure that they havent run out misconfigured your reversing valve...., tap the settings icon on the control board of your thermostat might sense the temperature in home. To protect your furnace will only blow cold air at certain times of the refrigerant that! That youve paid your bills and that your furnace up and running again, but a pump! Set the thermostat from heating through the ductwork rare, this component of your HVAC system that is your! Yes, turn it over and remove the batteries sensi thermostat blowing cold air on heat cookies, Reddit may still use certain cookies to that.
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