Monday through Friday: 9am - 8pm CDT 4. Higher than expected temperature reading on the thermostat; No air blowing from the registers/vents; If you experience any of the above symptoms in your home, be sure to check the thermostat before calling an HVAC repair service. We have cold air in den and living areas, but that is about it. YES – You may have a power issue. Thermostat Device. What best describes the air coming out of your vents? Thermostat – If your thermostat isn’t properly functioning, your furnace won’t respond in the correct manner. Call any of the product support numbers above and select the 'Contractor' option. My question: Why is certain rooms colder than others? 9am to 5pm CDT. The screen is lit up blue for cooling but no air is even coming out. Look at the terminals that have connected wires. If so, everything is fine. But if your thermostat is not holding temperature then your home will feel cooler than it should. If your thermostat is battery-powered, try replacing the batteries. Monday through Friday: Continue to the. You've fixed your cooling! On some thermostats this connection is made by a jumper wire connection and on other models this connection is made by a slider switch that has 1-wire and 2-wire settings. A heat pump has two stages of heat. If your thermostat switch is set to ON, that means the blower will run constantly—even when your system isn’t cooling your home, which will result in warm air blowing from your vents. Once you've confirmed this, continue to. Reply. While this may sound silly, this switch can sometimes get moved when dusting around the area. Air conditioner is working and blows cold air mostly in the den. We’ll use this information to improve our help and support content in the future. Monday through Friday: The differential from the thermostat set point is what determines when the auxiliary/ emergency heat energizes. If you're signed up for a saver switch through your utility company, they may be temporarily locking you out during peak demand hours. Do you have any of the following terminal configurations? Fan runs all the time: 1) Fan mode is set to On. If your cooling is not working, it's probably due to issues with the following: To begin fixing your cooling, continue to the Air Flow section. Monday through Friday: 9am - 8pm CDT A clogged filter is probably the most common reason for this problem, so it’s a good place to start investigating. Open Hours: Confirm the thermostat has been correctly configured for your system. Do the same for RH (or RC) and Y (first stage heating/cooling for a heat pump or first stage cooling for an air conditioner). Select EQUIPMENT. 1 Turn the power off to the heating system. If that's not the case, then try the following steps: My thermostat is set to 72 but the temperature inside is 78. If there are not separate wires to R and Rc, these terminals must be connected. Monday through Friday:9am to 8pm CDT If your thermostat is battery-powered, replace the batteries. 1) Wait a minute for blower delays and recheck registers. 2. It sometimes looks like a light switch. Wait 3 to 5 minutes until the flashing stops and the icons or messages become solid. 10. Select HEAT PUMP. Remove your existing thermostat from the wall plate. Air coming out flat, not cold or hot, regardless of whether it is set to heat or Emergency electric. The differential is adjustable in many thermostats, but it is usually about 1.5 to 2 degrees differential from the actual thermostat set point. May 17, 2018 5:00 a.m. PT. 1-800-664-2751 I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. Saturday and Sunday: 9am - 5pm CDT, Indoor Air Quality and All Other Homeowner Products If not, read the next section about common heat pump malfunctions. 11. Sorry, something went wrong. The problem may not be your thermostat at all; without a trained technician on scene it might be hard to diagnose. If your air conditioner isn’t blowing cold air, take a look at your thermostat and make sure it’s set to the proper temperature. Be sure the cover is completely closed. Hey cool question (hehe). The differential from the thermostat set point is what determines when the auxiliary/ emergency heat energizes. If the "cool on" or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. After you check the breaker box for your home, you also need to make sure that the … All day (24 hours), Monday through Sunday, Professional Contractor Support Your filter is dirty. Does the thermostat show any of the following icons or messages? You need to know about it to make sure about the way to fix the product well. (Thermostats, WiFi Cameras, Smart Home Security, Water Leak Detectors, and Buoy) If you have less than 20 VAC, the thermostat will not be able to turn on your system. Open Hours: Let’s explain each of these. Saturday and Sunday: 9am - 5pm CDT, Online Order Support and Customer Service Gently tug on the wires to make sure they are connected to the terminals. Saturday and Sunday: If the cooling still doesn't come on, but has worked in the past, call a professional HVAC contractor to assist you. No air coming out of vents is a sign that you may have a bad capacitor. A Low-Battery icon or "I Don't Have Power…" message. Most homeowners are comfortable calling in an AC professional to troubleshoot the issue once they have a good idea of what might be going on. Test Thermostat Operation. I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. Check the thermostat's display to confirm that there's a call for cooling, usually indicated by the words "cool on" or a snowflake icon. 3) Deactivate aggressive recovery. You are now complete. Multi-stage Air Conditioner/Heat Pump Second, Third, and/or Fourth Stage Won't Come On: Your thermostat is designed to determine the optimum time to activate the second stage. Saturday and Sunday 2) Check/repair system. For the last common reason why your thermostat is not working correctly, we can take the fan and its dysfunctions which will lead to this problem eventually. After some investigating, you determine that your outside AC unit isn’t running but the inside is. If your forced-air gas furnace is blowing cold air, a number of factors could be to blame—many of which you can address on your own, without the immediate help of a service professional. Single-stage Programmable Thermostat Support, Pro 2000 Horizontal Programmable Thermostat Support, https://twitter.com/messages/compose?recipient_id=182916123, YES – You don't appear to have a wiring issue. 1. Heat pump not heating. This system is often located in your basement, attic, or garage. Connected Smart Home Products My outside AC unit will not turn on at all My furnace turns on and blow out air but not cold air. WHen T-stat call for cool, but outside unit is not working, you should check to see if you have 24V to the outside condenser and contactor (the samll wire from your air handler to the condenser, you have to open the condenser panel to do that). For the last common reason why your thermostat is not working correctly, we can take the fan and its dysfunctions which will lead to this problem eventually. We are working on it. Then, check to be sure that the thermostat is set to a temperature high enough to trigger the furnace to emit heat. Message us on Twitter for help with our products. 6 A thermostat should be mounted about 5 feet from the floor, located where it can easily sense an air sample that is consistent with room temperatures. Compressor. Does the thermostat show any of the following low-power icons or messages? Learn more about C-Wires (link to C-Wire Guide). Monday through Friday: 7am - 7pm CT. Make sure the vents in that area haven’t accidentally been closed, particularly if some rooms are getting no air at all. Once you've confirmed your thermostat is being powered, continue to the next step. 9am to 6pm CDT What should we do to improve this article? Thermostat is located near the hotter rooms not the cooler ones. I immediately contacted Ecobee technical support and told them what was going on. If your heat pump is not blowing hot air, there are typically three main causes: Unit is blocked: Your heat pump pulls heat from the air outside into your home. Thermostat Does Not Control Temperature. Make sure the circuit breaker switches for the furnace are on. The truth is, there can be several reasons this happens. Open Hours: Speak directly with an agent for help with our products. Simply raising the temperature in heating or lowering it in cooling will not always force the thermostat to bring the second stage on quickly. Here’s why: The average body temperature is around 98.6 °F. 1-800-633-3991 Open Hours: Working directly on the thermostat – not through the Sensi app — set the thermostat to the Cool Mode. Learn more about Resideo's response to COVID-19 >, See current discounts, promotions and bundles, Get more back and more out of your products. NO – Contact Support at 1-855-733-5465 to find a pro-installer in your area. 1) There is a fan delay as the heating or cooling equipment turns on. My question: Why is certain rooms colder than others? Do the same for RH (or RC) and W/E (first stage heating/cooling for a heat pump or first stage cooling for an air conditioner). The installation guide for your thermostat will show which you have. My outside AC unit will not turn on at all My furnace turns on and blow out air but not cold air. NO – Good, this is normal. Open Hours: Take a look at your filter and, if it’s really dirty and clogged, it means there’s restricted airflow to your furnace. Monday through Friday: 9am - 8pm CDT Learn how much a Wi-Fi Thermostat could save you on your energy bills. Monday through Friday: 9am - 8pm CDT Saturday and Sunday: 9am - 5pm CDT, Online Order Support and Customer Service We followed the troubleshooting in the manual and even reset the thermostat twice to original factory settings. Test Thermostat Operation . Tell me a bit more about what's going on so we can help you best. Connected Smart Home Products If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. 1. Do the same for RH (or RC) and W/E (first stage heating/cooling for a heat pump or first stage cooling for an air conditioner). The thermostat is what determines when the auxiliary heat is energized. Open Hours: 2. We have cold air in den and living areas, but that is about it. Make sure the breaker to the furnace is turned on. However, only the fan turns on and it doesn't actually cool no matter how long I run it. 1-800-664-2751 Open Hours: It will make all our explanations make way more sense. If your cooling is not working, it's probably due to issues with the following: Air Flow. Monday through Friday: 7am - 7pm CT. If you want to do all you can before doing so, there is a way to test whether a fan’s capacitor has failed. If your thermostat is powered by a C-Wire, try checking that. See our article on installation wiring for more info here. 2) Relocate thermostat (or use remote sensor) if thermostat is in "dead" spot (poor or no air circulation). On most thermostats, you can take off the thermostat by grasping and gently pulling. Turn the ring and select SETTINGS. Saturday and Sunday: Electronic thermostats are quite common these days, and they are mostly running on battery. Hey cool question (hehe). 9am to 6pm CDT These tips are also relevant if your AC is running but the air coming out of the vents isn’t cool, if there’s no air coming out of vents in one room or if you’re experiencing low air flow through the vents in your house. 9am to 5pm CDT. Solution: You have a humming air conditioner, but you have no air?! And, in cold weather, heat pumps tend to blow warm air out at 95°F. Record the voltage readings. Saturday and Sunday: 9am - 5pm CDT, Indoor Air Quality and All Other Homeowner Products 1-800-468-1502 What should we do to improve this article? How do I know if its the thermostat or the actual unit outside. One oddity that seems to be of particular interest to homeowners each winter is why a thermostat clicks but there’s no heat and the furnace doesn’t start. The actual power for signalling heat/cool, is supplied by a transformer in the furnace itself (the red R wire). Your body is playing tricks on you (no, seriously). Scenario 1 – Cool Air Blowing from Registers. How to fix it: Switch your thermostat to AUTO (see image below), so air only blows from your vents when the AC is cooling. If the O option is highlighted, select B. However, only the fan turns on and it doesn't actually cool no matter how long I run it. Furnace or Heating System. Typically, this means one of two things: your outside AC hums but the fan doesn’t spin or the entire outside AC unit isn’t working at all. Copyright © 2021 Resideo Technologies, Inc. Honeywell Home is a trademark of Honeywell International Inc. used under license to Resideo Technologies, Inc. Danny says. Some thermostats may have screws, buttons, or clasps. My thermostat display is orange and says it's heating to the set temperature, but furnace isn't kicking on. Some systems won't power up if the cover isn't fully closed. Select CONTINUE (TWICE). Honeywell makes a lot of different style thermostats, so it's hard to answer without more info. Problem: The outdoor system is running, however, the fan is not. Connect with an agent for quick assistance. (It worked perfectly in the winter with this setup) Looking at the furnace and NEST, the wiring is as follows: Saturday and Sunday: 9am - 5pm CDT, Total Connect Comfort Thermostats September 1, 2018 at 9:11 am. Snowflake Icon with "Cooling will Begin" message, YES – Good, this is normal. Verify that the wiring was matched correctly from the old thermostat to the new thermostat. In this case you'll have to have an HVAC tech troubleshoot, and possibly replace the transformer. Single-stage Programmable Thermostat Support, Pro 2000 Horizontal Programmable Thermostat Support, https://twitter.com/messages/compose?recipient_id=182916123. Verify that the thermostat is switched to cool mode and has a cooling set point below the room temperature reading. Locate the Installation and User manuals for your product and confirm the thermostat is correctly configured for the system type and stages for your equipment. Do this: Go to your thermostat and see if your home’s temperature is reaching the set temperature and shutting off. Test Thermostat Operation Despite hearing the sound of the AC turning on, your house is not cooling down as it used to. Copyright © 2021 Resideo Technologies, Inc. Honeywell Home is a trademark of Honeywell International Inc. used under license to Resideo Technologies, Inc. This means it should not be put in a corner, behind a door, in a closet, near a window or door, or near a heat source. 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