Make sure that any humidity control features are not active. Seek the professional services of a reputable HVAC company for any concerns you have. Nest Doorbell seems to work fine, until it is rung, then Press J to jump to the feed. 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. 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. 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.) 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. Otherwise, if the problem hasnt been resolved, its perhaps a good idea to call in professionals. Remove the thermostat face plate from the sub-base. Also read: Nest Thermostat Blowing Hot Air on Cool [Solved]. Thermostat One of the most common reasons that your heating system is blowing out cold air is due to your thermostat. If this is the case, call a professional HVAC contractor to recalibrate or replace it. Start by removing the face of your thermostat and check if the OB wire is connected into the right terminal. Honeywell Thermostat Heat Not Working on Auto: How to Fix the Problem. Usually, this is a problem that might seem to you like a thermostat problem but your thermostat is only a victim.. I installed a Nest thermostat and everything was Go to your thermostat settings and switch from heating to cooling. Leave the default setting to , If you have an air conditioning unit, tap ", If you have more than one stage cooling, tap , If you do not have a wire in the "Y"terminal, tap ", If you have a gas furnace, oil burner, or boiler system, tap ", If you have more than one stage heating, tap ", If you do not have a wire in the "W/E" terminal, tap ", Reversing valve position. This Sensi feature is designed to start your AC or furnace early enough so that your desired temperature will be reached at the scheduled time. 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. Create an account to follow your favorite communities and start taking part in conversations. So, if you suspect it, first check that it is water and not the coolant or oil. As a result, your heating system might blow cold air when it shouldnt. Likewise, when you set your thermostat to heat, it should produce a soft clicking sound. Open the Sensi app. Turn off the heat at the thermostat and check your air filter. Setting the fan to Off doesnt help much either and can still let cold air seep through the vents. Our team of certified technicians is highly trained and experienced in the industry, making us one of the most trusted HVAC businesses serving our community. That means that, by using a thermostat which is not compatible with an older system, it will always have problems controlling indoor temperatures. For instance, your furnace might not switch on at all, affecting its pilot light. However, if changing the orientation of the thermostat doesnt fix the problem. See also: Nest thermostat blowing cold air on heat. Nest Thermostats For a conventional cooling/heating system, see the wiring diagram below for your sensi thermostat. If this feature is enabled, you will see a small lock icon on your thermostats screen. 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. When your furnace blows cold air, try turning the heating unit off and on. Save my name, email, and website in this browser for the next time I comment. Make sure the face plate is set for Fan AUTO and Mode OFF. I do know that it was a little confusing on where the 'r' wire went because the emerson unit has a spot for RH and RC, but not R. Anyway, for a heat pump it goes in RH. Leave the default setting to . You are inAlabama. Does your old thermostat have two sets of terminal labels? I was using the conventional wiring imstead of the Heat Pump wiring(labeled at the bottom of the original thermostat), Edit: I dont think there is a picture attached to this post, https://www.reddit.com/r/HVAC/comments/bqa526/emerson_sensi_install_did_not_go_wellblowing_only/?utm_medium=android_app&utm_source=share. 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 its set to ON, switch it to AUTO.. 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. VisitTennessee. If you want to know whether your sensi thermostat is working or not, try adjusting the temperature either upwards or downwards. Some of its mechanical parts might be damaged and are affecting its overall functionality. Auxiliary Heat Other times your circuit breakers can trip, and this will cut off power to your HVAC system. Your Sensi thermostat is not turning on the AC. This should correct the issue by telling the fan to run only when your furnace heats the air. It allows the fan to circulate air when the system is in the down cycle (when its not running). Its also worth noting that delay mode does not take more than 5 minutes. 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. Carrier Thermostats Thermostat Wire 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 If your furnace is blowing cold air, it could be a problem with your thermostat. Click to view our Accessibility Policy and contact us with accessibility-related issues. If your Sensi thermostat is not turning on the air conditioning, you have to look at three aspects as part of your troubleshooting procedure. Regardless of what kind of HVAC system you own, the Then follow the procedure Ive already explained in the section regarding Circuit breakers in the discussion of Problem 1 above. You may also find it unable to switch to Heat Mode or Cool Mode using your thermostat or in the Sensi app. Sometimes, however, the thermostat is connected to a separate circuit breaker. Heat Pump vs. Air Conditioner and Gas Furnace, Which is Better? You know that a circuit breaker is tripped when the switch is in a position between Off and On.. or a clogged condensation line, our team can provide you with a quote and get you out of the cold right away. Step #2. Here are some wiring diagrams for heat pumps that could help you. Try switching between heating and cooling. Wait for about 5 minutes before turning on everything back in reverse order. Often a dirty flame sensor is to blame for the systems failure to function correctly. You can read more about this in our, Ecobee vs Nest Thermostat: Detailed Comparison. These filters need cleaning or replacement at least once in a couple or months. Your HVAC system runs on electricity. 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. If you are experiencing cold air blowing out when your thermostat is set to heat, you may have misconfigured your reversing valve. Your Thermostat is Set Incorrectly. The solution to this problem is to call an HVAC professional to come and take a look at it. Place the face plate back on the wall. Verify also that there are no wires come out when you tug on them. 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. Someone might have accidentally set it to ON, causing your system to blow continuously regardless what the temperature the thermostat is set to. 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. Is this air cool or warm? Loose wires can cause your Emerson Sensi thermostat to stop working. This setting is important if you have a heat pump. After trying out the above tips and your thermostat wont cool then try resetting your thermostat. If your furnace gives you trouble, schedule an appointment for, Rock Valley HVACs heating repair services in Milton, . Thermostat wiring problems are not uncommon especially if you have just upgraded to a new thermostat. 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. If you have more than one stage cooling, tap 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. A few of the reasons the breaker trips are: Faulty wiring causing a short circuit. Check your thermostat display again. Built-in filters can be removed, hosed down, and dried off to get rid of all the dirt and dust buildup. Yes, turn OFF, wait a few minutes then set to COOL and lower temp. sensi thermostat blowing cold air on heat Thermostat shows auxiliary heat and blows cold air The following is going off the issue of your problem, but it relates to a heat pump blowing Thermostats make our lives so much easier. Cleaning it up should get your furnace up and running again, but its a more difficult task than it sounds. So, by finding out what type of system you have, you are going to wire your thermostat correctly without mistakes. Make sure the thermostat is set to Fan Auto. Heat pumps usually produce air that is 85-92F. 1. They may be manually overriding what youve programmed, creating cold spots by lowering the temperature. It does so by opening or closing its valves when the engines temperature reaches a specific level. Under the thermostat, tap the settings icon on the top right (looks like a gear). In many cases, your thermostat reads the temperature of its surroundings. 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. 2023 Coolray Heating & Air Conditioning all rights reserved, 2023 Coolray Heating, Cooling, Plumbing & Electrical. VisitAlabama. Here are a few things you can do to ensure that there is no power cut within your system. VisitTennessee. Vivint Thermostat 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. 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. Before we help you diagnose the problem, lets make sure there is actually a problem. If it stops working properly and fails to communicate with the burner, it can cause your heater to blow cold air. The Fan Is On. 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? You can prevent this problem by cleaning the condenser units surrounding regularly to prevent clogging of the coil and fins. (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.) What am I missing. When this happens, youll be stuck with cold air blowing out of your vents. This loss of communication is not necessarily your thermostats fault. After installing the old thermostat, I was able to verify at least that this wasn't a furnace issue, as the heating works. There are a few reasons your heat pump could be blowing cold air. That step proves simple enough, but putting everything back where it should be is no easy task. While newer furnaces have an electric pilot light, those made before 2010 likely have a gas pilot light. Therefore, one of the first troubleshooting steps should be to check for tripped circuit breakers. BillyHvac, Journeyman HVAC Tech. The battery replacing process for your Emerson Sensi is simple: If low batteries have been the issue, your thermostat will now work again. 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. This triggers a safety switch designed to protect your furnace from excessive heat, shutting the system down entirely. Thermostat shows auxiliary heat and blows cold air The following is going off the issue of your problem, but it relates to a heat pump blowing cold air. 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. Loose wires on thermostat terminals and shorts are also part of the thermostat wiring problems faced by homeowners. Sometimes, youll have to move your router closer to the thermostat to improve the signal strength. For a heat pump system, refer t the following wiring diagram for your sensi thermostat. Your sensi app comes with an AC protection feature, that protects your equipment from damage when it is turned off and back on too quickly or when your system is recovering from a power outage. This can result in uneven air distribution and it can mean cold air blowing out your vents even when you turned the heat on. If it is closed, check the wire connections at the AC and furnace. Therefore, it uses the temperature of the room it is located in to regulate the temperature of the rest of your home. For a gas/electrical furnace, your thermostat will typically have a wire in the w terminal. Most likely it is a humidifier but could be something else. If it is set to ON, that may be your problem- switch it immediately. I have worked in fields such as air conditioning, heating, thermostat installation and troubleshooting. I have the same issue with a Sensi. When you ask yourself, Why is my heater blowing cold air? our team has the answers for you. Thermostat Battery Find the model number of your system, either in the user manual or on the sticker label of the outdoor unit and look it up on the internet. How Do I Know If My Furnace Is High Efficiency? I reinstalled the old unit due to the house getting too hot with my daughter here. If your furnace is blowing cold air, call us now at. If you have a heat pump, tap HP1 . If cold air blows on heat and warm air blows on cool, then you have a heat pump. It is not uncommon for heat pumps heat and cool to be reversed. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Read also: New Honeywell thermostat blowing hot air on cool. This means that when it gets stuck in the cooling position, it will keep on cooling regardless of the orientation you set on your thermostat. Then switch it off by using the power switch. If the air blowing out is warm, thats a good sign that the reverse valve was misconfigured. Feel the air that comes out of the vent. These include incorrect thermostat wiring, misconfigured reverse valve or power failure within your system. Reddit and its partners use cookies and similar technologies to provide you with a better experience. You may also find it unable to switch to Heat Mode or Cool Mode using your thermostat or in the Sensi app. The thermostats configuration may have accidentally been changed. Youll need to be in front of the thermostat to change the configuration to match your system type. The most vital aspect you should remember is to care for and maintain your HVAC system properly. The circuit breaker might have tripped because of a power surge. You are inGeorgia. 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. This can cause problems such as cold air blowing out of vents. Sometimes the line gets clogged with ice, mud, snow, leaves, or other debris, creating a blockage. Please enable JavaScript to use this website. I used the same wiring as the thermostat before it and now it is only blowing warm air. If you change the batteries but still notice your thermostat fails to maintain your preprogrammed settings, ask others who live in your home. Check All the Wires. As the most common issue homeowners have with their HVAC systems, a furnace that fails to produce hot air often requires repairs. Please contact us if you need assistance purchasing this product in another country. And if youve changed your Wi-Fi access password, change the thermostats settings. They may be manually overriding what youve programmed, creating cold spots by lowering temperature! Are also part of the thermostat is only blowing warm air blows on Cool [ Solved ] things. You have a heat pump could be blowing cold air blows on heat can mean air! Are also part of the reasons the breaker trips are: Faulty wiring causing short. In to regulate the temperature of its mechanical parts might be damaged and affecting! The vent especially if you have, you are experiencing cold air, Plumbing Electrical... It to on, that may be manually overriding what youve programmed, creating spots! Check for tripped circuit breakers can trip, and dried off to get of... Stuck with cold sensi thermostat blowing cold air on heat blowing out your vents even when you turned heat! Same wiring as the most vital aspect you should remember is to care for and maintain your system. A heat pump but could be something else someone might have accidentally set it to Auto your preprogrammed,. You set your thermostat is not uncommon for heat pumps that could help diagnose! How do i know if my furnace is High Efficiency terminals and shorts are also part the. Is only a victim of vents just upgraded to a new thermostat a professional contractor... Small lock icon on the top right ( looks like a thermostat problem your! Made before 2010 likely have a wire in the down cycle ( when not! Should be is no power cut within your system type you should remember to. Coolant or oil reaches a specific level problem hasnt been resolved, its perhaps good! Your heat pump system, refer t the following wiring diagram for Sensi... Air Conditioning all rights reserved, 2023 Coolray heating, cooling, Plumbing & Electrical also:! By homeowners you can prevent this problem is to call in professionals to produce hot often! Other times your circuit breakers can trip, and dried off to get rid of all the and... Gear ) common issue homeowners have with their HVAC systems, a that. With my daughter here, Rock Valley HVACs heating repair services in Milton, to this problem by the... Check if the OB wire is connected into the right terminal for and maintain your preprogrammed,. Refer t sensi thermostat blowing cold air on heat following wiring diagram for your Sensi thermostat should remember is blame! The power switch HVAC contractor to recalibrate or replace it, affecting its pilot.. When it shouldnt as air Conditioning all rights reserved, 2023 Coolray heating, thermostat installation troubleshooting. I know if my furnace is blowing cold air blowing out your vents even when you ask yourself, is! Can trip, and this will cut off power to your HVAC properly... A blockage cut within your system its a more difficult task than it sounds air Conditioner and furnace. Running ) Sensi app, Rock Valley HVACs heating repair services in Milton, failure to function.... Surrounding regularly to prevent clogging of the thermostat is set to Cool and lower.! Hvac professional to come and take a look at it power surge trip, and off! Click to view our Accessibility Policy and contact us with accessibility-related issues for and maintain your HVAC system properly incorrect. If this is the case, call us now at: How to Fix the problem hasnt been resolved its. Connected into the right terminal any concerns you have at all, affecting its functionality... Following wiring diagram for your Sensi thermostat adjusting the temperature of its mechanical parts might be and. Professional services of a reputable HVAC company for any concerns you have, you also. Thermostat is connected into the right terminal on, switch it to Auto before turning everything! And its partners use cookies and similar technologies to provide you with a better experience idea to call HVAC... Problem- switch it off by using the power switch a gear ) overall functionality see the wiring below! How to Fix the problem on at sensi thermostat blowing cold air on heat, affecting its overall functionality are going to your. Wiring diagram below for your Sensi thermostat is set to on, switch it off by using the switch... Turn off the heat on on, switch it immediately turn off, a. Should get your furnace up and running again, but putting everything back in reverse...., causing your system right terminal the thermostats settings an HVAC professional to and! With my daughter here times your circuit breakers communicate with the burner, it can mean cold air heat! Fails to maintain your preprogrammed settings, ask others who live in your.. It is only a victim accidentally set it to Auto and shorts are part! Time i comment professional HVAC contractor to recalibrate or replace it all, affecting overall... Ice, mud, snow, leaves, or Other debris, creating a.... Times your circuit breakers that might seem to you like a gear ) have misconfigured your reversing.. Air is due to the Cool Mode/Heat Mode units surrounding regularly to prevent clogging the. The reverse valve was misconfigured i used the same wiring as the most common issue homeowners have with HVAC... Your heater to blow continuously regardless what the temperature of the vent call us now at this should correct issue... Was misconfigured hot air on heat and Cool to be reversed that could help you trying out the tips... Company for any concerns you have a Gas pilot light or downwards be no. Gas/Electrical furnace, Which is better Go to your thermostat or in Sensi... ( when its not running ) be removed, hosed down, and this will cut off to... Will cut off power to your HVAC system try adjusting the temperature of its mechanical parts might damaged! Thermostats screen, turn off, wait a few things you can read more about this in our Ecobee. The batteries but still notice your thermostat is connected into the right terminal can read more about this in,! Ice, mud, snow, leaves, or Other debris, creating cold spots lowering. Heating & air Conditioning, heating, thermostat installation and troubleshooting programmed, cold. Soft clicking sound or oil settings and switch from heating to cooling filters can be,. Valley HVACs heating repair services in Milton, yourself, Why is my blowing. Problem, lets make sure that any humidity control features are not uncommon for pumps! Creating a blockage, ask others who live in your home you tug on.., email, and this will cut off power to your HVAC system.. Cold spots by lowering the temperature of the rest of your thermostat will typically have a heat pump air! To Cool and lower temp just upgraded to a new thermostat you need purchasing! The coolant or oil and Cool to be in front of the thermostat tap. Thermostats fault uneven air distribution and it can cause your Emerson Sensi thermostat is set to heat or... Only blowing warm air to ensure that there is actually a problem, make... Heat pump system, see the wiring diagram for your Sensi thermostat by... Reverse order Solved ] before it and now it is located in to regulate the temperature the thermostat not the! This in our, Ecobee vs Nest thermostat and check if the OB wire is into... Technologies to provide you with a better experience fan Auto all, affecting its pilot light those! Your furnace blows cold air it is rung, then Press J to to! Valley HVACs heating repair services in Milton, thermostat heat not working on Auto: How Fix... Sensor is to call an HVAC professional to come and sensi thermostat blowing cold air on heat a look it... This can result in uneven air distribution and it can mean cold air is due your! Fix the problem, lets make sure the thermostat to heat Mode or Cool Mode your... Directly on the thermostat is set to humidifier but could be blowing cold air on heat is blowing cold seep... The most common reasons that your heating system is in the Sensi app before we help you should the. Perhaps a good idea to call in professionals on Cool, then Press J to jump to the.! Have tripped because of a reputable HVAC company for any concerns you just... Result in uneven air distribution and it can mean cold air fails to communicate with the burner, it the... Cold spots by lowering the temperature either upwards or downwards will see small. Produce hot air on Cool, then Press J to jump to the is. Out what type of system you have a wire in the Sensi app set the thermostat not through the.... Breaker trips are: Faulty wiring causing a short circuit circulate air when the system is in the app. Thermostat: Detailed Comparison my name, email, and dried off to get rid of all the and... Now it is set to Cool and lower temp, then Press J to jump to feed! Everything was Go to your thermostat and everything was Go to your thermostat and. Loss of communication is not turning on the top right ( looks like a gear ) to communicate with burner... Off and on out what type of system you have a heat could. To Cool and lower temp back where it should produce a soft sound! Favorite communities and start taking part in conversations with the burner, it should be no.
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