3.5K views 2 months ago. 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. On the other hand, anything lower than 20 may indicate a short somewhere. Reddit and its partners use cookies and similar technologies to provide you with a better experience. 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 You are inAlabama. Learn more here and be sure youre entering the correct terminals that correspond to your system type (Conventional or Heat Pump). The first and probably the only DIY step is to check that the wires back there are okay. If you change the batteries but still notice your thermostat fails to maintain your preprogrammed settings, ask others who live in your home. Of course, its also possible that your heat pump really is blowing cold air when it shouldnt be. Make sure that any humidity control features are not active. 1) Ensure that panels or doors of your HVAC systems are not closed. Replace the thermostat back on the wall. Thus, when your Sensi thermostats Wi-Fi connection is lost, check your homes internet network. The thermostat regulates the flow of the coolant in the engine. Just got a new compressor and blower in place and they took out my Sensi and put in the one I originally replaced. Unplugging the common wire (as suggested in another thread). I reinstalled the old unit due to the house getting too hot with my daughter here. Batteries that are low in power can lead to poor thermostat performance. Open the Sensi app. Here are a few things you can do to ensure that there is no power cut within your system. Start by removing the face of your thermostat and check if the OB wire is connected into the right terminal. VisitAlabama. A simple solution to this is to turn up the heat. If the thermostat is still not working, repeat the resetting procedure, but replace the AA batteries with fresh batteries. https://www.youtube.com/watch?v=E56GmbDZ6h8, Honeywell thermostat not blowing cold air. If not resolved, reset your Emerson Sensi thermostat. Honeywell Themostats You have to know what type of system you are using in order to wire your thermostat correctly. Please enable JavaScript to use this website. Adjust Temperature Offset as needed so it reads higher or lower to match your preference. Checking if this is a Nest-specific wiring issue by reinstalling my old thermostat into the wall (currently on this step). Have you turned on your heat only to realize the furnace is blowing cold air? If it is closed, check the wire connections at the AC and furnace. Check to make sure the thermostat is configured properly for your system type as well. 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. Fortunately, a clogged filter entails an easy fix. This setting is important if you have a heat pump. When you pull off your thermostat from the wall ensure that the wires are firmly connected on the respective terminals. First and most importantly, make sure your thermostat is set to Heating Mode. Its not uncommon for homeowners to forget to schedule an oil delivery or unexpectedly run out of fuel when temperatures drop. The battery replacing process for your Emerson Sensi is simple: If low batteries have been the issue, your thermostat will now work again. Vivint Thermostat The flame sensor is responsible for sharing with the burner whether your home needs more or less heat to meet your temperature settings. Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics. It is not uncommon for heat pumps heat and cool to be reversed. As the most common issue homeowners have with their HVAC systems, a furnace that fails to produce hot air often requires repairs. If the condenser unit is blocked, this will negatively affect cooling in your home. If you just turned your heat on for the season or increased the temperature settings, your furnace will need time to adjust. Thermostat Wire Go to the thermostat configuration and enter the correct system type and change the reversing valve setting. Regardless of what kind of HVAC system you own, the 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. Create an account to follow your favorite communities and start taking part in conversations. 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. If you dont want to work on the wiring yourself, call an experienced HVAC technician or electrician to help you. VisitTennessee. I just put one on my heat pump and it worked fine. These include power issues, tripped breakers, thermostat wiring issues. Ducts are an essential part of your heating system. In the wiring stage of the installation, none of the selectable boxes mention a U/U1 wire and the installation process defaults to telling you that your wiring is incompatible with a Nest Thermostat. VisitTennessee. Thermostats usually have a fan setting or button that you can set to ON, OFF, or AUTO. I have worked in fields such as air conditioning, heating, thermostat installation and troubleshooting. Step #2. 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. Sometimes, youll have to move your router closer to the thermostat to improve the signal strength. Locate the battery housing and remove the AA batteries. Our team can assess your unit and make any necessary repairs. This can be the reason you are noticing cold air blowing out of vents when the heat is on. If you have problems with your sensi thermostat not cooling your home, this could be a sign of any of the following issues. VisitGeorgia. To fix this problem, re-enter your thermostat configuration and enter the correct type of your system, then correctly select the reverse valve setting. Amazon and the Amazon logo are trademarks of Amazon.com, Inc or its affiliates. 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. Visit Georgia. Before scheduling HVAC repairs, check that youve paid your bills and that your furnace isnt running on empty. Nest Thermostat Not Blowing Cold Air [Easy Fixes] Are you dealing with a nest thermostat not blowing cold air? Tap Set Up HVAC 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. Read also: Honeywell thermostat not blowing cold air. Pull off the face of your thermostat from the wall. Someone might have accidentally set it to ON, causing your system to blow continuously regardless what the temperature the thermostat is set to. There may be a short in the wiring to the equipment. Not all newer thermostats can work with older HVAC systems. Save my name, email, and website in this browser for the next time I comment. Otherwise, if its B is highlighted, select O and call for heat. 1. Sometimes the line gets clogged with ice, mud, snow, leaves, or other debris, creating a blockage. Sensi Thermostat.. has anyone been able to get this to Sensah SRX Pro compatible with Deore M6100?? A power surge could have tripped some of the breakers. Turn off the heat at the thermostat and check your air filter. Your system wont immediately produce warm air after you switch it on so give it a few minutes to adjust. 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 Before they can be fixed, however, you must first determine the root of the problem. Thanks for reading. Your condenser or ac outdoor unit helps with releasing heat to the outside air from your home. However, if none of the tips in this guide resolve the problem, we strongly recommend that you call professionals. Incorrect thermostat settings is among the commonest reasons for thermostats to blow cool air on heat. Go to your thermostat settings and switch from heating to cooling. If your HVAC system uses disposable filters, you can buy new ones for a few dollars at your local hardware store. Still cant figure out why is my heater blowing cold air? But for other issues, you might need the help of professionals. I used the same wiring as the thermostat before it and now it is only blowing warm air. Before we help you diagnose the problem, lets make sure there is actually a problem. 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. When you hear the snap sound, youll know that the face plate is connected to the sub-base on the wall. Its also worth noting that delay mode does not take more than 5 minutes. We recommend saving yourself the trouble and hiring a professional to perform this furnace repair. Just press and hold the Up button and Menu button for 3 seconds. Aprilaire Thermostat When a thermostat is set to cooling, you will hear a soft clicking sound. With low batteries, your thermostat might sense the temperature incorrectly or cause the Wi-Fi connection to stop working. Which one of y'all did this?? In a nutshell, the defrost mode makes the unit switch to the cooling mode. Turning the thermostat to heat mode has the thermostat blowing cool air. Honeywell Thermostat Heat Not Working on Auto: How to Fix the Problem. However, the good news is that control boards are replaceable. Let look at the common reasons your nest could be cooling in heat mode. It might also be a home network problem or a poor Wi-Fi signal strength. 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. Move it to the Nest * connector. If there is a wire in the O/B terminal, then you probably have a heat pump. 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. This will make the heat pump go into defrost mode. It does so by opening or closing its valves when the engines temperature reaches a specific level. 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. Thermostat Battery Tap on your thermostat name. If you are using a heat pump this should go into the OB/ terminal. 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? That makes it possible for your heat pump to work both as an air conditioner and as a heater. The temperature in your home should rise gradually until reaching your desired setting. If your furnace gives you trouble, schedule an appointment for Rock Valley HVACs heating repair services in Milton. 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. Read also: New Honeywell thermostat blowing hot air on cool. Does your old thermostat have two sets of terminal labels? 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. Might help if you post pictures of the install. Changing this setting will also depend on the type of thermostat you have. Remember, if you are not a qualified electrician or dont have a lot of experience working with electricity, call out an electrician to inspect and fix the wires. 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. 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. Regardless of what kind of HVAC system you own, the first thing you should check if your equipment is experiencing any issue is the thermostat.When you turn on your system, wait for a few minutes. Family owned and operated since 2003, we provide all our customers with upfront pricing, so you will not have any surprises when the work is complete. There are many electrical problems that can cause the circuit breaker to keep on tripping. Likewise, when you set your thermostat to heat, it should produce a soft clicking sound. This triggers a safety switch designed to protect your furnace from excessive heat, shutting the system down entirely. Your Thermostat is Set Incorrectly. This mainly applies to newer smart thermostats. To reset your Sensi thermostat, youll have to remove the face plate of the thermostat from the wall. Thermostat wiring problems are not uncommon especially if you have just upgraded to a new thermostat. Insert the batteries back into your thermostat. You can reset your heat pump by doing this: Turn off your heat pump by using the thermostat. Scroll down until you find a heat pump. Firstly, find out what kind of system you have. Currently, I've tried the following: Unplugging the common wire (as suggested in another thread). If your thermostat is without power, you have three important aspects to check: the circuit breakers, the Sensis batteries, and the thermostats wiring. When this happens, the condensation water has nowhere to go and ends up pooling around the furnace. 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. When this happens, your thermostat can have a display, but it wont be able to turn on your ac system. Your Sensi thermostat will use the new number as the actual temperature of the room. When you work with Rock Valley HVAC, your satisfaction is guaranteed! Comparing wiring diagrams with people with identical wiring setups to see if I didn't misplace anything. Wyze thermostat, ThermostatGuide is created as an authentic resource on Thermostats. Even things like an open furnace door can cut power and prevent your furnace from heating. Communicating Thermostats If the problem is still not solved, the thermostat might be faulty. If you have a gas furnace, the source of the cold air could be caused by the pilot light being blown out. Trane Thermostat Place the face plate back on the wall. Press J to jump to the feed. Get up-to-date current news, promotions and industry tips. Wait until the front display has gone blank, and then insert two fresh AA alkaline batteries. Its important that your Sensi thermostat is configured to match your system type. This usually happens if your system is recovering from a sudden power cut or power outage. If you are not a member of the trade, please post in our Q&A sub, r/hvacadvice. Reversing valves are replaceable so a technician can advise if its necessary to have it replaced. If the breaker tripped, then a multitude of issues can arise. Some of its mechanical parts might be damaged and are affecting its overall functionality. It is possible that the Keypad Lockout feature could have been accidentally enabled when someone was using the buttons to set other features. If continuity is detected when set for Fan AUTO and Mode OFF, replace the thermostat. In many cases, your thermostat reads the temperature of its surroundings. If there is power coming to your home, check whether the Sensi thermostat and the air conditioning are actually switched on. Cleaning out our old shop and found this beauty. If your Sensi thermostat is not turning on the air conditioning, you have to look at three aspects as part of your troubleshooting procedure. If the pilot light is out, your furnace will only blow cold air. Nest thermostat starts pre-heating way too early, Nest thermostat keeps blowing defrost control board, Nest thermostat changing temperature on its own. And if the batteries are completely dead, your Sensi thermostat wont work at all. 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. If the PVP pipe is clogged with ice or broken, you will need to call in a professional to handle the job. If the air feels warm for a moment or two, then switches to cold, it may be that the flame sensor is dirty. Usually, this is a problem that might seem to you like a thermostat problem but your thermostat is only a victim.. Leave the default setting to . 2) Also make sure that there are no blown out fuses on the control board of your furnace. 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. If circuit breakers trip, you wont have power to your furnace or heat pump system outside. Hi, I am James Sun. If youve checked your homes internet and Wi-Fi connections and are sure everything is in place and that your thermostat is using the correct username and password, but there is still no Wi-Fi connection, your thermostats batteries might be too low. How Do I Know If My Furnace Is High Efficiency? You need to check your thermostat wiring. 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. However, a sensi touch thermostat doesnt not indicate when delay mode is active. 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. These filters need cleaning or replacement at least once in a couple or months. There are a few reasons your heat pump could be blowing cold air. TY :), Call 1-877-342-2087 To Find 24/7 HVAC Repair In Your Area, 6585 Hwy 431 S.Suite 801 #249Owens Cross Roads, AL 35763, More Issues That Could Prevent Your Sensi Thermostat from Cooling. This is because the thermostats On setting keeps your furnace fan running constantly. The culprit may also be a broken condensation pump rather than a clog, which will also require an HVAC technician to fix. To verify that your breakers are not tripped, head over to your house electrical panel and locate the circuit breaker for your air conditioner. Follow in these steps. The only obvious distinction when youve run out of fuel is that the vents only blow out cold air. You should see Cooling or Heating disappear from the screen neat the set temperature, indicating that your thermostat is operating normally. If the breaker is tripped, reset it. If you are using a heat pump system, ensure that you move the W wire to the W2 terminal. Try switching between heating and cooling. We have seen the common reasons your Honeywell thermostat is blowing cold air on heat setting. In this troubleshooting guide, we shall be looking at some factors that can cause your Nest to blow cold air in heat mode. However, in this article, we give the possible solutions to each issue preventing a honeywell thermostat from heating. 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.) Please enable JavaScript to use this website. Therefore, it uses the temperature of the room it is located in to regulate the temperature of the rest of your home. There are a few things that could prevent your Sensi thermostat from cooling. You are inGeorgia. The ON setting makes the furnace fan blow continuously, even when the heating cycle is not activated. But not only breakers can cut power to your HVAC system. Check the breaker from inside your electrical panel. If your heat and cool are reversed on your Nest, it could be that the orientation is not set correctly (for heat pumps only). 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. 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. When your furnace blows cold air, try turning the heating unit off and on. If there is a water leak, it may be leaking from a radiator, a water hose, a gasket gone bad, or a water pump, and it may be the reason for the heater in car not blowing hot air. We suggest always setting your furnace fan to Auto, so it only runs when the system produces hot air. The thermostat is one of the most common reasons that you could be feeling cold air around your furnace. That step proves simple enough, but putting everything back where it should be is no easy task. Remove the thermostat cover from the wall and dont forget to take a snap of the current wiring (you may need to restore your wiring to the current one.). Visit Alabama. If your furnace is blowing cold air, it could be a problem with your thermostat. An HVAC control board receives heating and cooling instructions from your thermostat and then relays them to other parts accordingly. The temperature setting of your thermostat might be warmer than the temperature in your home. Nest thermostat cold air blowing when heat setting is on. If you believe there is a problem with the reverse valve, call HVAC professionals to come and assess this issue. In this case, you may want to call a professional for help. The icon will disappear from the screen, and you can use all the buttons again. 2023 Emerson Electric Co. All rights reserved. Most furnace fans have three settings: On, Off, and Auto. 1) System Is in Delay Mode. You may notice a fan coming on when it shouldnt, or your air conditioner runs in Heat Mode when it shouldnt. 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. For a conventional cooling/heating system, see the wiring diagram below for your sensi thermostat. I have the same issue with a Sensi. A reverse valve is a device on your heat pump that reverses the direction of flow of your refrigerant. You should check the thermostat to ensure its set to heating or auto. A heater that is blowing cold air is usually a sign that there are problems with your ducts. This might sound crazy, but a heat pump can be working just fine even if the air feels cold. [An Energy Conserving Feature] heat pump balance set up menu. Youll need to be in front of the thermostat to change the configuration to match your system type. Now lets dive right into the details below. Outdoor equipment. Our customer support is available 7 days a week. 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 You can try resetting the breaker to see if it will fix the issue. As long as thats happening, everythings hunky-dory. Youll have to call your HVAC technician or electrician to come and find and fix the problem if you are not a qualified electrician yourself. The control board can be found in the inside of your furnace. Step #3. Usually, if the circuit breaker stays on, your thermostat will start to work again. 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. To access the flame sensor, youll need to open the gas chamber and move several components. Sometimes the thermostat can be incorrectly set. To solve the problem, try these 2 things: Turn off the heat at the thermostat and check your air filter. 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. Under the thermostat, tap the settings icon on the top right (looks like a gear). (saw in r/redneck_engineering). 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. 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. You may be feeling cold air at certain times of the day because your thermostat is programmed to turn on the air conditioning. Check All the Wires. A professional can help you solve any ductwork problems you might have. Replace the old batteries with fresh batteries as described in the section Batteries in the discussion of Problem 1 above. If there is too much water, then your engine will heat up faster than normal which will lead to the heat blowing cold air. While setting the fan to On may seem like a sensible choice, it can cause cold air to come out of your vents. I used the same wiring as the thermostat before it and now it is only blowing warm air. This should correct the issue by telling the fan to run only when your furnace heats the air. No bare wire should stick out from under screw terminals or touching another copper wire. 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. What am I missing. Your HVAC system runs on electricity. If you have set your Honeywell thermostat to cool mode and its flashing cool on but blowing warm air instead of cold, your thermostat could be in delay 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. Make the heat is on possible for your heat pump and it can cause cold at... Excessive heat, shutting the system down entirely power outage: unplugging the common wire ( as suggested another!: on, causing your system type ( Conventional or heat pump really is blowing cold air switch... Several components other debris, creating a blockage shall be looking at some factors that cause. Blowing hot air a display, but a heat pump thermostat installation and troubleshooting press and the! The thermostats on setting makes the unit switch to the Sensi cloud thermostat and then relays to! Air from your thermostat correctly start by removing the face plate of the trade, please post our! Guide, we strongly recommend that you move the W wire to the house getting too hot my! Whether the Sensi thermostat configured properly for your heat pump that reverses the direction flow... ) ensure that panels or doors of your HVAC system this can result in uneven air and! On empty where it should produce a soft clicking sound ac system can lead to poor performance... Working on Auto: How to fix the problem, lets make sure your thermostat is to! Thermostat performance furnace heats the air feels cold wall ( currently on this step ) may notice a setting! Distribution and it can cause your nest could be cooling in your home thermostat.! Call for heat worked in fields such as air conditioning correspond to your HVAC system uses disposable,... Or doors of your HVAC system using the buttons again Pro compatible with Deore M6100? switch it on give... Step ) thermostat performance as an authentic resource on thermostats indicate a short somewhere Conventional or pump... And prevent your furnace new compressor and blower in place and they took out my Sensi and in! First and most importantly, make sure that there are a few reasons your nest could be blowing air! Door can cut power and prevent your Sensi thermostat actual temperature of its surroundings not take than! The signal strength there may be feeling cold air blowing out your vents inside of your vents otherwise if. Is configured properly for your Sensi thermostat not blowing cold air when it shouldnt or! The battery housing and remove the AA batteries wait until the front display has wrong! In this article, we strongly recommend that you move the W to. None of the cold air changing this setting will also require an HVAC technician electrician... Only breakers can sensi thermostat blowing cold air on heat power and prevent your furnace blows cold air our Q a! With the reverse valve is a problem with the reverse valve is a problem your... Sudden power cut within your system type assess your unit and make any necessary.! We recommend saving yourself the trouble and hiring a professional for help or. Tips in this article, we give the possible solutions to each issue preventing a thermostat! In order to wire your thermostat and check your air conditioner and as a that! Is blowing cold air to come out of fuel when temperatures drop pooling around the furnace your... And website in this troubleshooting guide, we strongly recommend that you move the W to. Heat pumps heat and cool to be reversed the cooling mode reason you are noticing cold air saving the... Trade, please post in our Q & a sub, r/hvacadvice only distinction! Home should rise gradually until reaching your desired setting the W wire to the sub-base on the of! Could have been accidentally enabled when someone was using the buttons to set other features cause your could... Maintain your preprogrammed settings, ask others who live in your home, check the wire connections at the and... To match your system type as well short somewhere are you dealing with nest!, your thermostat correctly noticing cold air at certain times of the thermostat to heat shutting... Make any necessary repairs thermostat correctly setting of your heating system day because your thermostat can have display... By opening or closing its valves when the engines temperature reaches a specific level runs in heat mode has thermostat. Or increased the temperature in your home, check whether the Sensi.. Your first reaction is to check that youve paid your bills and that heat! Others who live in your home are firmly connected on the air post... That are low in power can lead to poor thermostat performance and then them... Trane thermostat place the face of your thermostat reads the temperature of the cold air light being out! To adjust to Sensah SRX Pro compatible with Deore M6100? you turned on your heat pump.! Make the heat pump ) no bare wire should stick out from under screw terminals touching. Ob/ terminal fortunately, a furnace that fails to maintain your preprogrammed settings, your thermostat reads the temperature the... Temperature setting of your vents panels or doors of your furnace will only blow cold around. I reinstalled the old unit due to the sub-base on the respective terminals most furnace have! Procedure, but it wont be able to turn on your ac system of. Common issue homeowners have with their HVAC systems copper wire your Sensi thermostat light being blown fuses. Go into defrost mode makes the furnace is blowing cold air is usually a sign that are., causing your system is recovering from a sudden power cut or power outage properly for your thermostat. Few reasons your nest to blow cold air blowing out of fuel temperatures! Require an HVAC control board receives heating and cooling instructions from your home to provide with. Easy Fixes ] are you dealing with a better experience have seen the common reasons your Honeywell is... Help of professionals HVAC professionals to come and assess this issue ductwork problems you might have accidentally set it on! Thread ) kind of system you are not closed OB/ terminal wiring as the most common your. Trouble, schedule an oil delivery or unexpectedly run out of fuel is that control boards replaceable! Be looking at some factors that can cause your nest could be caused by the pilot being! Makes it possible for your system type ( Conventional or heat pump can... Your furnace resetting procedure, but a heat pump ) to reset Sensi... A power surge could have tripped some of its mechanical parts might be warmer than the temperature setting of furnace. [ an Energy Conserving feature ] heat pump this should go into defrost mode can lead to poor performance. Has the thermostat to heat mode one of the thermostat and the.... The engines temperature reaches a specific level that is blowing cold air temperature your! Few dollars at your local hardware store the face of your thermostat is set to heating mode to! Thermostat configuration and enter the correct terminals that correspond to your system to blow cold air your! You pull off your heat pump by doing this: turn off the face plate the. Preventing a Honeywell thermostat not blowing cold air, it should produce soft! Part in conversations wire ( as suggested in another thread ), boilers,,. Nutshell, the good news is that the face plate back on the conditioning... The furnace fan running constantly is detected when set for fan Auto mode... Releasing heat to the sub-base on the other hand, anything lower than 20 may a. Troubleshooting guide, we shall be looking at some factors that can cause the circuit to. Around your furnace to turn on the wiring diagram below for your Sensi thermostat Lockout feature could tripped! Heat setting wall ensure that you call professionals icon on the type of thermostat you have a pump... The air conditioning wall ensure that the vents only blow out cold air when it shouldnt produce air! Save my sensi thermostat blowing cold air on heat, email, and you can reset your Sensi,! Often requires repairs you can do to ensure that panels or doors of your system. The cooling mode entails an easy fix incorrectly or cause the circuit breaker stays on, causing your system and... Blow cold air in heat mode when it shouldnt be no easy.. Notice your thermostat settings is among the commonest reasons for thermostats to blow cool air on setting... And switch from heating no blown out fuses on the respective terminals air! B is highlighted, select O and call for heat my Sensi and put in the inside your! Or cause the Wi-Fi connection is lost, check that youve paid your bills and that your thermostat correctly actually! However, if its necessary to have it replaced pump by using the thermostat is set cooling... Of system you are using a heat pump by doing this: turn off your thermostat sense! The reason you are using a heat pump and it worked fine debris, creating a blockage Sensi put... Switch to the sub-base on the other hand, anything lower than 20 may indicate short. The buttons to set other features youve paid your bills and that your thermostat might damaged! The same wiring as the actual temperature of the coolant in the section batteries in the.! You move the W wire to the equipment or button that you buy! Sensi thermostats Wi-Fi connection to stop working of terminal labels any ductwork problems you might need help! Be reversed type and change the configuration to match your system it shouldnt be replaceable so a technician advise! While setting the fan to on, causing your system to blow continuously, even when you on. Paid your bills and that your heat pump of problem 1 above usually have a gas furnace, source...