Ecobee thermostat not turning on ac

Image 1: Traditional Thermostat wiring Image 2: The yellow wires in the image run to a float switch in the condensation drain pan. Image 3: Outdoor Unit thermostat wiring. Even though I have a C spade terminal at my 1995 furnace and a blue wire in my thermostat bundle of wires, my Ecobee Lite 3 will not power on when I try this setup (i.e. no PEK):

Ecobee thermostat not turning on ac. For the furnace/air handler to the thermostat set of wires go Red to R, White to W, Green to G, Yellow to Y, and Blue to C. For the furnace/air handler to the outdoor unit set of wires connect yellow to Y and Blue to C. You will need to go swap the wires at the outdoor unit to redo this wiring so that it matches inside.

In most homes, installing an ecobee thermostat is an easy process that takes about 45 minutes. Follow the steps below or scroll down for installation guides, wiring diagrams, troubleshooting tips and more. Check compatibility with your HVAC. Download the ecobee app to install your thermostat. Download the ecobee app.

Feb 6, 2023 · Make sure the breaker has turned on the power to the circuit. This is mostly missed by the users when setting up the Ecobee Thermostat. Next, You must check the voltage between the RC and C, and that should not be less than 24VAC. There can be circuit issues. You have to use a voltmeter for that. STEPS TO FOLLOW: To reset your thermostat, follow the below mentioned steps. STEP 1 - Visit the "Menu" section. STEP 2 - Select the "Settings" option and then "Reset". STEP 3 - Choose the option which says "Reset All Settings". STEP 4 - Select "Confirm".Mar 24, 2023 · Your Ecobee furnace isn’t turning off because your fan limit switch isn’t configured or is faulty, or there are problems with the thermostat. Fix the problem by setting the fan limit switch to auto or replace it if broken, and ensure your thermostat is working by checking the wiring and batteries. If you can’t seem to get your Ecobee ... If Y1 is not highlighted, select the "No" option on the bottom left because this wiring is not correct. You will then be prompted to modify the selected wires. Manually add the Y1 terminal so that it's highlighted. Click "Next" and follow the rest of the on-screen prompts to finish the reconfiguration process. 4.Press the Nest thermostat's ring and hold for about 10 seconds. When the screen goes blank, release the ring. Switch on your thermostat by pressing the ring on the thermostat again. Release the thermostat's ring when the screen turns on. The Nest logo will appear, indicating that the thermostat is restarting.Setting a Schedule. On the ecobee App. Tap the Thermostat > Menu > then, Schedule. Once you locate the schedule menu, tap on any of the days listed at the top to view your schedule for that specific day. If you wish to change the start time of a particular Activity, simply tap on the Activity (Home, Away, or Sleep) and adjust the time.Make sure the breaker has turned on the power to the circuit. This is mostly missed by the users when setting up the Ecobee Thermostat. Next, You must check the voltage between the RC and C, and that should not be less than 24VAC. There can be circuit issues. You have to use a voltmeter for that.Thermostat reboot needed. Sometimes, the touch screen on your ecobee thermostat may stop working due to a software issue. In this case, simply rebooting the thermostat can often resolve the problem. Loose wiring. If the wiring on your ecobee thermostat is loose, it can cause issues with the touch screen and other functions of the thermostat.

Now the heat works but not the A/C. When I ask the Ecobee to turn on the A/C, the fan comes on but the air is not cold - the A/C unit outside is not coming on. ... Connect the Y1 conductor from the thermostat directly to it. Obviously, your prior thermostat must have been connected similarly.Once the thermostat is off the mount, put it down and turn its face backward. Now pick up the screwdriver and first open the two upper screws and after that, open both bottom screws. Once the screws are open, grab a piece of paper or cloth and a bottle of glint, and start cleaning the thermostat.If yes, the system looks ahead to ensure your house is at the desired set point at the time you requested. For example, with smart recovery off, Ecobee turns the heat on at 0730 to start heating the house to the requested set point. With smart recovery on, Ecobee knows how long it takes to heat your house to a temperature so it kicks on early ...With my old thermostat I could leave the fan on all the time to constantly cycle the air throughout the house. When I switched to the ecobee I noticed my house was freezing when I set the fan to always on. ... Please tell me why would the fan come on if the the AC not heat thresholds are being triggered. This is bad programming and it should be ...Then it should only be a few screws to get to the board. See if cables are connected directly from thermostat to board, if there's a PEK installed (white box with 4 cables) then your configuration at the thermostat will look different. When you go to ecobee website do the compatibility test, then if you have a pek choose the option for no C wire.A tripped switch: Your ecobee thermostat's screen might be black because a switch has tripped. Check both the Heat Pump and Air Handler to see if this is the issue. A blown-out fuse: If the body of your ecobee thermostat has turned black, it could indicate a blown-out fuse. Check the furnace fuse and replace it if necessary.Watch this video to find out about the ComfortLink II thermostat from Trane, which has a 7” color touch screen to display temperature, check weather, and more. Expert Advice On Imp...

To fix the issue of AC mode adjustment, follow the below mentioned steps. STEPS TO FOLLOW: STEP 1 – Open the Ecobee home app. STEP 2 – Tap on the horizontal lines which are present on the top left corner. STEP 3 – Choose “Set Thermostat” option. STEP 4 – Now navigate towards “Change Settings”.Jan 25, 2022 · Ecobee thermostat not turning off AC. There are a few reasons why the Ecobee may not be turning off your HVAC system’s fan; The fan is set to “On” instead of “Auto.” Check if your fan is set to “on instead of “auto.” Sometimes the fans stay on even after the air and heat are off. If Y1 is not highlighted, select the "No" option on the bottom left because this wiring is not correct. You will then be prompted to modify the selected wires. Manually add the Y1 terminal so that it's highlighted. Click "Next" and follow the rest of the on-screen prompts to finish the reconfiguration process. 4.No fuses blow. My multimeter reads 27-28V between C and Rc at the thermostat backplate. However, if I turn off the HVAC breaker, connect the Ecobee to the backplate, and turn on the breaker, the 5A fuse blows on the HVAC control board and the Ecobee doesn't turn on. 2. Low Battery. If the Ecobee is not turning on after installation, it could be because of a low battery. The Ecobee thermostat has a backup battery that will last up to 24 hours if there is no power. If your thermostat was recently installed, or if you haven’t updated its firmware, then the thermostat might not turn on immediately. There is a special mechanism within your furnace which helps a lot when the internal temperature reaches its set limit. When this happens, the furnace starts getting overheated. To prevent future damages, the HVAC system automatically cuts its power to the thermostat resulting in its rebooting. However, the connection is restored once the ...

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Preferences are general settings that vary between equipment operation and appearance settings. On the thermostat. Go to Main Menu > General > Preferences. From here you can edit the following thermostat settings: Temperature Display: You can choose to display temperature values in Fahrenheit or Celsius. To configure this: Tap Temperature Display.In this case, you will have to switch the fan control to your furnace. This should help let you turn on the heat. Contact Support. There may be something wrong with your device. A blown fuse or poor wiring may also be the reason why heat is not turning on. If that is so, you will need to check everything manually.The fan will always run when the A/C or Heat runs. Those systems can't run without the fan running. It defeats the purpose of your HVAC system if the fan does not run when those system are called upon to run. The setting to run the fan X mins/hr is to run the fan a certain number of minutes per hour whether the A/C or Heat is called or not.Today it was in the mid-60s outside and my upstairs reached almost 80. I've tried everything I can think of within ecobee but haven't been able to get the compressor on. Here's what I've done: Changed my requested temp to 65 (ecobee says it's 75, an average between my ecobee itself and the sensor I have in my kids room upstairs) Confirmed that ...Oct 18, 2021 · If Y1 is not highlighted, select the “No” option on the bottom left because this wiring is not correct. You will then be prompted to modify the selected wires. Manually add the Y1 terminal so that it’s highlighted. Click “Next” and follow the rest of the on-screen prompts to finish the reconfiguration process. 4. eco+ is available as soon as you register your thermostat and download the latest version of the ecobee app for iOS or Android. You can start using the basic functions of eco+ right away and unlock additional benefits by selecting your Utility Provider through the app. Access, review, and change your eco+ preferences in the app by navigating to ...

(24 v AC from the control board) Rc: Power for cooling Rh: Power for heating C terminal will use the blue or black wire (Common wire, enables the continuous flow of 24 v AC from the Red wire.) G terminal will use the green wire. (Fan) Y terminal will use the yellow wire. (Air conditioner) W terminal will use the white wire. (Heat)In this case, you will have to switch the fan control to your furnace. This should help let you turn on the heat. Contact Support. There may be something wrong with your device. A blown fuse or poor wiring may also be the reason why heat is not turning on. If that is so, you will need to check everything manually.The fan will always run when the A/C or Heat runs. Those systems can't run without the fan running. It defeats the purpose of your HVAC system if the fan does not run when those system are called upon to run. The setting to run the fan X mins/hr is to run the fan a certain number of minutes per hour whether the A/C or Heat is called or not. Check your furnace/AC unit and look for a sensor where the water drains from the unit. Pull it straight up and see if there is water underneath. If you pull it out and let the float go down and the ecobee lights up you need to clear a clogged AC drain line. This is what happened with mine this weekend. Jul 8, 2018 ... Comments578 ; Top 10 Thermostat Related Problems! Heat and AC! AC Service Tech LLC · 447K views ; How To Fix An AC Unit That Is Not Turning ON! TOP ...Configuring Reminders & Alerts. On the thermostat. Go to Main Menu > General > Reminders and Alerts, then Preferences. On the app. Tap on Home > Tap on the …Tap the flame-shaped heat icon. Select ‘‘Auto.’’. The right section of the screen will now display two numbers. The top blue-colored one controls the air conditioning. When the room ...Unless your air conditioner has a hardware problem, the ecobee should work. We’ll review any issues with ecobee and provide extra hardware troubleshooting advice. The failure of the ecobee thermostat to cool might be caused by several factors. Ensure your thermostat is turned on and connecting to wifi.Ensure it’s in the “on” position, and if not, flip it back on and see if that resolves the issue. 2. Thermostat Malfunction. A faulty thermostat can cause an air conditioner to stop working. Make sure that your thermostat is set to “cool” mode and the temperature is set lower than the current room temperature.I have the latest Ecobee smart thermostat and I am trying to setup my AC Overcool Max. I can set my overcool threshold but when I go into my system setting there is no option to turn on or off the "Dehumidify Using AC" option so I cant set my preferred humidity? Anyone know what I'm doing wrong here? Picture. I think it only allows you to ...

8 Reasons for a Sensi thermostat not turning on A/C. Possible cause. Fix. Wrong thermostat settings. Set thermostat to cool and temp point below current room temperature. Wrong thermostat wiring. Ensure wires for the compressor relays are connected. Power issues. Check breakers and reset them where necessary.

So, clean out the vents and the filters and then check the performance of the Ecobee Aux Heat. Check Power Source. Issues with the power source can also lead to situations where the Aux heat system will stop working. So, even if the Ecobee thermostat is responsive, you need to make sure that the power flow is optimal.Check Power. Checking the power should be your first step to isolating the issue with Ecobee, Not cooling to set temperature. In most situations, the thermostat is stuck in a reboot look because of a power issue, and you need to fix the power to get to the desired temperature settings. So, there is a chance that you're in a similar situation ...If you have a volt meter, you should be able to measure the AC voltage between The red and green wires at the thermostat. If it is present the problem seems to be the thermostat itself. If no voltage there, try the same two wires at the PEK (red and green) If that is good, problem is likely wire in wall. If no good, check R & C at furnace board.Mar 24, 2023 · Your Ecobee furnace isn’t turning off because your fan limit switch isn’t configured or is faulty, or there are problems with the thermostat. Fix the problem by setting the fan limit switch to auto or replace it if broken, and ensure your thermostat is working by checking the wiring and batteries. If you can’t seem to get your Ecobee ... Check your furnace/AC unit and look for a sensor where the water drains from the unit. Pull it straight up and see if there is water underneath. If you pull it out and let the float go down and the ecobee lights up you need to clear a clogged AC drain line. This is what happened with mine this weekend.An ESP32/ESP8266 with ESPHome's built-in Thermostat controller [0] and a relay (or solid state switch) board with optoisolation. The relay doesn't really need to be …To do so, tape or place an accurate thermometer near the device on the wall, wait 15 minutes and check the temperature reading on both devices. If they match, the thermostat is calibrated accurately. If not, need to take further action. The problem is usually caused by dust accumulation and improper thermostat installation.my ecobee by default had a limit of 35 degrees F set for a threshold. So anything over 35 and it won't turn on the aux heat. the ecobee needs to be configured to allow for aux heat simultaneously with regular heat. here in Florida with my System and my house 45F seems like enough to render my heat pump alone incapable of warming the house.Check if the breaker in your home's breaker box is flipped for the heater, air conditioner, or other device you're having problems with. Flip the breaker back on. Wait at your breaker box for 30 seconds, to make sure it does not flip back quickly. Allow your thermostat an additional minute to finish starting back up.

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Here are some of the potential reasons why your Ecobee thermostat may not be turning on your AC: – Wiring Issues: The first thing to check is whether the wiring to your thermostat is correct. If the wiring is not connected properly, then your thermostat wont be able to send the signal to your AC.Head down to the furnace or air handler and take a look at the air filter. Hold the filter up to the light and if you can hardly see the light then your filter needs replacement. Dirty air filters could actually be the reason your ecobee thermostat is not cooling to the set temperature. Replacing the filter can help resolve this problem.If your contactor coil is not getting 24VAC, it will not pull in. If you find that your contactor is getting 24VAC, the issue could be that the contactor coil is burned out, or there is corrosion on the contacts. Here are the causes of an AC contactor not pulling in: No voltage to the contactor coil. The condensate switch is triggered.We had the same problem. It turned out to be a messy splice on the way between thermostat and furnace. The Y was branched off to the AC before the furnace housing, and I guess the PEK connection repurposes the Y wire for the fan control, so whenever the thermostat asked for the fan, the AC came on.. You have to make sure there is nothing else connected to the thermostat wire between the ecobee ...Feb 21, 2021 ... ... Ecobee Smart Thermostat also known as the Ecobee 5 Smart Thermostat with Alexa built in. We do a deep dive through the Ecobee Thermostat ...Image 1: Traditional Thermostat wiring Image 2: The yellow wires in the image run to a float switch in the condensation drain pan. Image 3: Outdoor Unit thermostat wiring. Even though I have a C spade terminal at my 1995 furnace and a blue wire in my thermostat bundle of wires, my Ecobee Lite 3 will not power on when I try this setup (i.e. no PEK):If Configure Staging is set to Automatically. When your thermostat's Configure Staging setting is set to Automatically, you can adjust the Aux Savings Optimization value to lower aux heat usage. 2°F / 1.1°C - sacrifice savings for comfort. 2°F / 1.1°C - sacrifice savings for comfort. 2.3°F / 1.3°C - sacrifice a bit of savings for comfort.ecobee SmartCamera. - Hold the Mute and Microphone Buttons, then press the Microphone Button on the settings you want to reset to. ecobee Smart Thermostat (ecobee 5) - You can pull the ecobee off the wall. - You can code in a special switch for rebooting. - Turn the circuit breaker to the furnace on and off. ….

Step 1: Download the Ecobee App. The first step in activating your Ecobee thermostat is to download the Ecobee app, which serves as the central hub for controlling and managing your device. The app is available for both iOS and Android devices, making it accessible to a wide range of users. To begin, open the App Store on your iOS device or the ...2. Low Battery. If the Ecobee is not turning on after installation, it could be because of a low battery. The Ecobee thermostat has a backup battery that will last up to 24 hours if there is no power. If your thermostat was …The connections at the thermostat appear to be correct based on the previous thermostat’s connections. I would just double check that the wires are all making a proper contact and maybe check to see that no fuses on the control board of the air handler have blown. If it still won’t turn on swap in the old thermostat and see if it powers ...HVAC Technician: André R. Ok the Lennox is a communicating thermostat. The Ecobee is a conventional thermostat. It uses R C W Y G terminals. They are not compatible. The only way to make it work is to change the wiring not only at the thermostat, but at the furnace motherboard as well, and the AC motherboard as well if you have an ac.Change Your Fan Control. During the time you are setting up your thermostat device, you will have the option to adjust fan control. The default settings will adjust your fan for energy efficiency. We have seen cases where the fan control needs to be changed as their Ecobee is not able to tell the furnace to turn on the heat.If you wired the Ecobee base plate to the same wiring pattern as the old thermostat, the problem most like is in the programming setup. If not already accomplished, perhaps go back through the setup program and double-check the system settings. BTY, There is a option in the system settings that controls the "Aux" heat strip from turning on ...We had the same problem. It turned out to be a messy splice on the way between thermostat and furnace. The Y was branched off to the AC before the furnace housing, and I guess the PEK connection repurposes the Y wire for the fan control, so whenever the thermostat asked for the fan, the AC came on.. You have to make sure there is nothing else connected to the thermostat wire between the ecobee ...Dec 24, 2022 ... No Heat Ecobee simple fix smart thermostat not working wiring correct gas furnace not calling 4 heat. 25K views · 1 year ago ...more ...Feb 21, 2021 ... ... Ecobee Smart Thermostat also known as the Ecobee 5 Smart Thermostat with Alexa built in. We do a deep dive through the Ecobee Thermostat ...To re-pair the sensor: Take the battery out and then place it back in with the '+' facing down. After two minutes, take the battery out and insert it with the '+' facing up. After a few seconds, a message prompting you to pair the sensor should appear on your thermostat. Follow the steps to reconnect your sensor. Ecobee thermostat not turning on ac, Yes, a low battery in a thermostat can affect air conditioning by preventing the thermostat from sending the startup command to the air conditioner. This can result in the AC not turning on or the temperature in the home being inconsistent. However, replacing the batteries is a simple and inexpensive solution. Signs Of A Low…, If your ecobee doesn’t turn on the AC, there are a few possible reasons why. First, check to make sure that the AC is turned on at the thermostat and that the …, You can take three approaches to fix the issue of an Ecobee not turning on your HVAC fan. They are: Change the fan settings on the thermostat. Power-cycle your Ecobee thermostat. Check the wires that go between your thermostat and the HVAC control board. Note: This guide is specifically for fan issues., Ecobee automatically turns on emergency heat when the outdoor temperature is at 35F (1.7C). For Ecobee, emergency heat and auxiliary heat are almost interchangeable. As mentioned, sometimes your heat pumps do not have enough power to heat in sudden cold temperatures. Ecobee can draw from auxiliary heat in addition to your primary heat source., If the fan is not turning on in heat mode, the issue may be related to fan control. Try changing this setting so that the Ecobee unit, not the HVAC system, controls the fan. This adjustment can only be made from the Ecobee device itself. Follow these steps: Go to the Main Menu and select Settings., On the thermostat: Go to the Main Menu > General > Settings > Installation Settings > Thresholds > Auto Heat/Cool, then select Enable. Once it is enabled, you can activate Auto mode by navigating back to the Home screen and selecting the System mode icon above the temperature. You can also activate Auto mode by performing the same action from ..., Nov 26, 2021 ... Ecobee setup for dual fuel gas furnace and heat pump ... Dual Fuel Thermostat Programming hvac basics #dualfuel ... Furnace Not Turning on? Try This ..., On the Thermostat: Pair with HomeKit: Go to Main Menu > General > Settings > HomeKit and enable HomeKit pairing. Scan the QR code on your thermostat using your iPhone's camera. Add as HomeKit Accessory: Open the Apple Home app, add your Smart Thermostat as a HomeKit accessory, and enable Listen for Hey Siri. Enable Siri: Go to the Main Menu on your thermostat's home screen, then tap the ..., The reasons why your Honeywell thermostat is not turning on your AC are varied and include aspects such as depleted thermostat batteries, tripped circuit breakers, bad wiring, configuring or compatibility issues, and in some instances, a thermostat that needs a replacement. However, you can troubleshoot and fix most issues yourself., Also known as the common wire, the C wire is what enables the continuous flow of 24V power that ecobee thermostats need to operate.. To install an ecobee in an ecobee thermostat in a dual-transformer system, the C wire needs to be connected to the cooling system, not the heating system.. Here's how you can verify that the C wire is coming from the cooling side of your HVAC equipment:, An air conditioning unit that sits in your window, or a unit that is mounted on your wall or floor, is not central air conditioning. Opt-in for SmartAC Daily Savings using eco+ Enable eco+ in your ecobee app to take advantage of ecobee's Time-of-Use feature to shift your heating and cooling use out of times when energy is more expensive., My thermostat is saying it's -19°F outside when it's actually 85°F. This happened two nights ago when it was about 80° outside and it said -22°…, How to install ecobee4. In most homes, installing an ecobee thermostat is an easy process that takes about 45 minutes. Follow the steps below or scroll down for installation guides and videos, wiring diagrams, troubleshooting tips and more. Check compatibility with your heating (and cooling) system. Download the ecobee app to install your ..., 1) Thermostat Wiring. If your Ecobee is only heating but not cooling, then there could be a problem with your thermostat wiring. To resolve this issue, double check your thermostat wiring and ensure that the RC terminal has a wire connecting it. Ensure also that the Y1 terminal is connected to a wire., COLUMBIA THERMOSTAT FUND INSTITUTIONAL 3 CLASS- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks, 7 Main Reasons Why Your Ecobee is Not Cooling to Set Temperature. 1. The thermostat is not programmed to the temperature you set it to. 2. The thermostat has shut itself off due to overheating. 3. The air filter is either clogged or dirty. 4., If your contactor does not receive 24VAC from your thermostat, the contactor will not pull in. The voltage for the contactor coil ultimately comes from your control board. In most residential AC systems, the voltage follows this path to the contactor: R terminal on the air handler or furnace control board; R and Rc terminal on the …, Step 1 - Make sure your thermostat is either in Heat or Auto Mode. Step 2 - Using the slider on the main display, adjust the heat temperature to your desired level.The heat set point temperature is displayed underneath the current temperature. Using this method, you will be able to tell if this has been the problem., Here are some frequently asked questions related to Ecobee furnace turning on and off: Why does my Ecobee furnace turn on and off frequently? Answer: There are several reasons why your furnace may be turning on and off frequently, such as a dirty air filter, incorrect thermostat settings, malfunctioning blower motor, clogged air ducts, ignition ..., 3. Tripped High-Limit Switch. If your thermostat screen goes blank after several minutes of operation, it could be due to the high-limit switch tripping. Most furnaces have a high-limit switch that prevents the system from overheating. Overheating typically occurs due to poor airflow or parts that are going bad or broken., Step 1 - Make sure your thermostat is either in Heat or Auto Mode. Step 2 - Using the slider on the main display, adjust the heat temperature to your desired level.The heat set point temperature is displayed underneath the current temperature. Using this method, you will be able to tell if this has been the problem., Launch the Ecobee app on your device. Navigate to the 'System' nested under the 'Menu' option. Once in 'System,' select the 'Monitor & Manage Air Quality' setting. Here, you will find the 'Air Quality' option. Click on it to open. Finally, toggle the switch off to disable air quality monitoring., On the thermostat, Ecobee app, or web portal, go to Main Menu > Sensors to check the connection status. If it says N/A and isn’t displaying a temperature, the connection has been lost. This could be due to any of the following: The sensor battery needs to be replaced. The sensor is out of range from the thermostat., A tripped circuit breaker will prevent your thermostat from turning on your AC. In most homes, the power to the thermostat and the power to the AC unit outside is on two separate circuit breakers. So if the circuit breaker for your AC unit outside trips, your thermostat will still have power. Check your circuit breaker panel for any tripped ..., E cobee has made an announcement that they are going to discontinue support for some of their older thermostat models. Starting July 31, 2024, the ecobee Energy Management …, Aug 28, 2019 ... ... AC is not running. This was not the case ... which is not the same as turning it off. ... It is not possible to set or lock Ecobee thermostat from ..., Check Thermostat Settings: Verify that the thermostat settings are correctly configured to allow the AC to activate alongside the fan. Inspect Wiring Connections: …, How to make sure your Ecobee fan comes on automatically, rather than running all the time., E cobee has made an announcement that they are going to discontinue support for some of their older thermostat models. Starting July 31, 2024, the ecobee Energy Management …, Ecobee I know we don't like ecobee's that aren't level here, I swear I'll fix it before it goes in for good!. Old thermostat. Appreciate any help in advance! My home has a zoned heating system, recently we had a working ecobee removed from our 1st/2nd floor heating system because we had a new furnace/heat pump installed and the contractor either didn't think the ecobee would work or didn't ..., Aug 1, 2023 · 1. First, check that your AC system is properly installed and that all the connections are secure. 2. Next, open up the Ecobee app and sign in. 3. Select “Settings” from the main menu, then choose “Equipment.”. 4. Find the zone labeled “Air Conditioner” and make sure that it’s set to “On.”. , An alternative solution is to power the ecobee with an external 24VAC plug-in transformer. This transformer can be plugged into a wall and the transformer wires would connect to RC and C on the ecobee. The original wiring would be connected to Rh + W1 on the ecobee. Good to Know: Ensure the transformer is capable of 24V AC output (not DC output)., Is your thermostat not turning on the heat? It does not fire up the furnace when it is supposed to and the temperature in the house keeps dropping? If your h...