Ecobee thermostat not turning on

Step 1 – Check the ecobee Thermostat Wiring. We’ll start with looking at potential wiring issues with the ecobee thermostat wire bundle. Loose wire connections could easily stop the A/C from turning on. Remove your thermostat from its wall housing. The …Basically, just out of the blue, I checked my phone and saw that eco+ is on. I double checked the settings and found the eco+ was disabled indefinitely as I wanted to be. Then I went on to stop it. Weirdly enough, there's only an option to "stop eco+ for today". I hit that button, it errored out "Could not stop eco+ for today" and won't let …Thermostat not turning on – blank/black screen. Reason 1: Loose or incorrect wire …Aug 24, 2021 ... How to install your ecobee smart thermostat with a Power Extender Kit. This video includes step-by-step instructions (including wire ...The kitchen may be the heart of any home, but the thermostat is certainly what keeps everyone happy in that home. Whether you are upgrading to a smart home setup or just working wi...Apr 19, 2022 · 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. Sep 20, 2023 · Connections on the thermostat. Loose wires or incorrectly connected wires on your thermostat can be the reason why the thermostat doesn’t turn on the heat. So, as the fourth step, we recommend that you inspect the connections. To check the wire connections you have to remove the face of the thermostat from its base. If you find any damaged wires, you should contact a professional to repair or replace them. 3. Testing the Batteries. Lastly, check your thermostat's batteries. Weak or dead batteries could be why your thermostat is not turning on your AC. Replace the batteries if necessary and make sure they are installed …Sep 15, 2023 · Change your Ecobee Thermostat’s Settings. If your smart thermostat isn’t automatically changing the temperature, then here’s a fix for you. Go to the Ecobee App → Main Menu → Settings → Installations Settings → Thresholds → Auto Heat/Cool → Enable. An amazing feature of the Ecobee Thermostat is that it allows you to control ... Every day my thermostat is increasing the temp to 79 deg. I think it is happening around 9:00 AM. We have shut down presence sensing. I thought it was happening when my wife went to work but she was home today but the thermostat changed the settings. Here is what is on the screen. If anyone can assist me correcting this, I …If your mini fridge has a compressor, you should be able to convert your mini fridge to a freezer by simply connecting a new thermostat to it. However, opinions are divided on how ...Ecobee3 not turning on heat, but fan is on. I have an Ecobee3 that has been successfully working (both heat, fan, and AC) for the past 6 months. Recently I was trying to get my humidifier working so I was playing around with some wires, which also involved turning on and off the heat/power many times (I think this is what caused the issue).Aug 24, 2021 ... How to install your ecobee smart thermostat with a Power Extender Kit. This video includes step-by-step instructions (including wire ...On the Ecobee 4 it said to place the White wire on W1 according to the wiring diagram. My wiring on the Ecobee is: Red > Rc Green > G Yellow > Y1 Orange > O/B Brown > C White > W1. The fan is a single speed PSC fan so not sure what is going on. I really wanted to go with the new Ecobee as the Nest was starting to …Turning it on should disable the red light on the device. You can easily turn the microphone on through your Ecobee smart app. Power Cycle Your Unit. While the two methods mentioned above did the job for most users, you might not be that lucky. It all comes down to managing the final condition of the unit.On thermostat/ Mobile app. Navigate to the main menu and tap the schedule tab as shown in the photo below. Here are the steps to follow: Step 1: Navigate to the main MAIN MENU and tap SCHEDULE. Step 2: From the list of days tap on any to view your schedule for that specific day.AC is called for on the Y wire, so without that the ecobee has no way to use the AC. If you have a C wire (often times blue) then you shouldn’t need a PEK. A PEK is used when no C is present. I would go to the furnace control board and check to see what the wires actually go to and match them up at the ecobee.Dirt, dust, and debris can pose problems for both electrical and mechanical components, causing your thermostat to fail. Turn off the power source and remove the thermostat's cover. Using compressed air or a small brush, clear the housing of any dust and debris. Once finished, replace the cover and flip the power back on.To turn on the fan only on an ecobee thermostat, you can use the Smart Home/Away feature. First, go to the main menu on the ecobee thermostat and select Smart Home/Away. Then, select Fan Only from the menu options. Finally, confirm your selection and the fan will start running. You can also use the ecobee mobile app to turn on the fan only from ...2 Causes for your AC not being turned on by ecobee. 2.1 Clogged drain line. 2.1.1 Determine the position of important parts. 2.1.2 Remove the clog. 2.1.3 Float switch reset. 2.2 Low levels of refrigerant. 2.3 Obstructed air filters. 2.4 A defective AC capacitor. 2.4.1 Heat sensitivity.Your Ecobee thermostat won’t turn on the heat if the furnace is not linked to the thermostat properly or if your temperature or thermostat setting isn’t done …You must have connected R/Rc/Rh wire to the Rc terminal to turn on the Ecobee Thermostat. Since this is your first time, you might have missed this. You must …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 …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 …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 ...UPDATE: Tried shorting the Rc and G wires on the thermostat on Ecobee support's suggestion to turn on the fan but it does not work. The Y wire (one of the two white) also had unused blue and red wires. Ecobee needed a C wire to be installed. Y Wire from the picture above had an unused red wire at the control panel which Ecobee …Step 1: Checking the Power Source. Ensure that the thermostat is receiving power. Check if the circuit breaker for the HVAC system is not tripped and the power switch is in the “on” position. Verify the wiring connections at both the thermostat and the HVAC system. Make sure they are secure and properly connected.Check that the ecobee is properly placed on the thermostat base: Remove the thermostat and push back the thermostat wires to allow for proper connection with the thermostat base. Ensure there are no gaps between the ecobee and the base, and you hear an …Pull the wires through the hole in the middle of the backplate and then attach it to the wall using the drywall anchors and screws provided. Advertisement. TIP Use a 3/16" drill bit to drill a hole for the drywall plugs. Remove the Rc, C, and PEK labels from the label sheet and attach them to the wires as shown below: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.Mar 1, 2017 · Fortunately, there is indeed a way: Head to the Ecobee site and sign into your account. Click Settings > Preferences > Hold Action, then choose Until the next scheduled activity. Now close the ... Oct 13, 2022 · In turn, the Ecobee thermostat will turn off automatically when it starts to sense the water going too high on the drain pan. As a result, the power on the AC is cut off too. If you notice the following, this means that the drain pan might be the cause of your Ecobee not turning the AC: the thermostat frequently turns off or reboot Arm Stay. This is the mode to use to secure the perimeter of the home and monitor rooms of your choosing while you are home. When your system is in Arm Stay, you will receive an activity alert if Smart Security detects unexpected motion, occupancy, entry, or the sound of a smoke alarm. Disarm. Your home will not be monitored, …Tried installing new ecobee thermostat. I turned off power from the circuit. I had to cut the wires from the old thermostat since the screws were very difficult to remove. Labeled the wires and stripped enough to get it into the ecobee base. Attached the ecobee and then went to flip the circuit but am not getting power at the ecobee.An Ecobee thermostat may not cool for several reasons, such as incorrect settings, system faults, or an incorrect installation. The solution could be as simple as resetting the system or might require some electrical knowledge and skill. Checking the manual is always a good place to start. If you aren’t ready to throw in the towel and call … 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. Second stage not turning on. I've got 3 ecobees each with a 2-stage AC unit. Today I noticed that 2 (or 3, I can't remember) of them displayed that they were running the second stage but I could tell that at least the fan was still running at only the second stage level. Pushing the temperature down further didn't help.- Pull the ecobee strait off the base from the wall. It takes a healthy tug to remove it. This is, unbelievably, how you reset the thermostat.Step 3: Wait For 30 Minutes. Even though it may seem tedious or time-consuming, it is crucial to wait for 30 minutes after turning off the circuit breaker. During the 30-minute wait, the unit's circuit breaker resets as well. Next, leave your thermostat alone for another minute so it can start the necessary backup.If your Ecobee isn’t turning on Ac and heat, it means there’s an issue with the thermostat itself. 1. Change heat set point. Change heat set point. When Ecobee isn’t switching on the heat, the initial step one must perform is double-checking the temperature setpoint.If they’re dead, replace them. Batteries generally need to be replaced, on average every 6 to 8 months. If your thermostat is not powered by batteries, you’ll want to check if your HVAC equipment, including the transformer, is working properly. Check if the fuse is bad.Mar 20, 2023 · By cleaning or replacing the air filter, checking the thermostat settings, inspecting the blower motor, clearing clogged air ducts, repairing the ignition system or flame sensor, and implementing prevention techniques like regular maintenance and proper insulation, you can help prevent your furnace from turning on and off frequently. Interruptions to the 24VAC power supply can cause the thermostat to go black or reboot during heating or cooling calls. HVAC safety features, such as a high-limit switch, or float switch, might trigger power cuts to prevent equipment damage. Inadequate transformer VA rating can lead to power loss, especially with multiple thermostats and zone ... Oct 20, 2023 · Dirt, dust, and debris can pose problems for both electrical and mechanical components, causing your thermostat to fail. Turn off the power source and remove the thermostat's cover. Using compressed air or a small brush, clear the housing of any dust and debris. Once finished, replace the cover and flip the power back on. Car thermostats fail when the valve of the thermostat fails to open, fails to close or gets stuck in a partially-open position. As the thermostat controls the flow of coolant to th...1. The ecobee thermostat may not be receiving power correctly. Check the power source for the device and make sure the power cable is plugged in and that the electricity is flowing correctly. You may need to reset the power to the device and see if that helps. 2. The ecobee thermostat may have a faulty connection.Step 8 – Reset Ecobee Smart Thermostat. Did you know that resetting your thermostat can help you get your Ecobee to switch on again? Follow these steps to reset your thermostat: Press Menu from the Home screen. Make a selection of options. Go to the Reset button. Select Reset All Settings, then hit Yes to confirm your choice.Contact Ecobee customer service for additional support if your Ecobee’s wires are colored differently, or your thermostat still says calibrating for longer than 20 minutes. You may also need the assistance of a professional electrician if you suspect that complicated wiring issues may be the source of your problem.AC is called for on the Y wire, so without that the ecobee has no way to use the AC. If you have a C wire (often times blue) then you shouldn’t need a PEK. A PEK is used when no C is present. I would go to the furnace control board and check to see what the wires actually go to and match them up at the ecobee. Steps to Select Fan Control in Heat Mode on Ecobee. Open the Main Menu. When you walk up to the Ecobee thermostat, it will change from the Stand-By screen to the Home Screen. To open the Main Menu, you will need to tap on the icon that looks like three parallel lines, located in the lower left corner. If your Ecobee thermostat was working properly only to fail after a power outage, troubleshooting it should fix the issues. Here is how to bring your Ecobee back …An Ecobee thermostat may not cool for several reasons, such as incorrect settings, system faults, or an incorrect installation. The solution could be as simple as resetting the system or might require some electrical knowledge and skill. Checking the manual is always a good place to start. If you aren’t ready to throw in the towel and call in ...Here’s why: If your Ecobee keeps changing temperature, it could be because the remote sensor is not working properly. Resetting the remote sensor can help fix this problem. To reset the sensor, remove it from the Ecobee and put it back in. This will reset the sensor and hopefully fix the problem. If you have a voltmeter it could really help you find out what the issue is quicker. If you don't have a voltmeter, you can bypass the thermostat by jumping R and G together, at the thermostat. If the system runs the thermostat is bad. Please don't hesitate if you need any more guidance to go through all the steps. Updated: December 21st, 2021 Published: October 27th, 2021. It’s frustrating when you take time to install an Ecobee thermostat only to have it not power on. It’s …Next, press the power button on your thermostat to switch it off. Unmount your thermostat from the wall. This will reveal the wiring at the back of the device. Locate the C-wire and unplug it from the backplate. In most cases, the C wire has a red color. Wait 5 minutes. Now, re-plug the C wire to the backplate.Basically, just out of the blue, I checked my phone and saw that eco+ is on. I double checked the settings and found the eco+ was disabled indefinitely as I wanted to be. Then I went on to stop it. Weirdly enough, there's only an option to "stop eco+ for today". I hit that button, it errored out "Could not stop eco+ for today" and won't let …Fan control in Heat Mode. This setting determines how the fan runs when there is a heating request from the ecobee. If it’s set to ecobee thermostat your ecobee will energize the fan directly during heating cycles. This will cause the fan to immediately turn on when a heating cycle is initiated and continue to run until the heating cycle ends.Mar 1, 2017 · Fortunately, there is indeed a way: Head to the Ecobee site and sign into your account. Click Settings > Preferences > Hold Action, then choose Until the next scheduled activity. Now close the ... Car thermostats fail when the valve of the thermostat fails to open, fails to close or gets stuck in a partially-open position. As the thermostat controls the flow of coolant to th...In case the thermostat turns off after you have adjusted the temperature settings, it could indicate problems with your Ecobee Thermostat; contact a technician …To set up a Honeywell Wi-Fi Color Touchscreen Programmable Thermostat, turn the unit on, follow the on-screen prompts, select your preferred wireless network, and register online t...If you find any damaged wires, you should contact a professional to repair or replace them. 3. Testing the Batteries. Lastly, check your thermostat's batteries. Weak or dead batteries could be why your thermostat is not turning on your AC. Replace the batteries if necessary and make sure they are installed …Once the thermostat has booted up, open the Quick Change menu (cog icon) and check the Wi-Fi connection icon. If it isn’t connected yet, try closing the menu, waiting a few more minutes, and then opening again. If it still isn’t working, you can get further technical support by calling the Ecobee support hotline at 1-877-932-6233.Oct 24, 2022 ... 00:00 Intro: How to Fix ecobee App Not Working · 00:07 1.Solution: Update ecobee App · 00:26 2.Solution: Clear ecobee App cache files · 00:55 ...Resetting a Honeywell thermostat is simple and only takes a minute or two to complete. Either refer to your Honeywell control manual to reset it or follow the guide below that outl...Step 8 – Reset Ecobee Smart Thermostat. Did you know that resetting your thermostat can help you get your Ecobee to switch on again? Follow these steps to reset your thermostat: Press Menu from the Home screen. Make a selection of options. Go to the Reset button. Select Reset All Settings, then hit Yes to confirm your choice. They are set so that if it detects that the heats running but it's still 2 degrees cooler than the temp set for it engages the emergency heat (or for ecobee aux). Then the installer will say something like "if it gets too cold and the heat pump can't keep up then you can set it to emergency heat but don't do this too often because it costs a ... Apr 13, 2023 · If your Ecobee isn’t turning on Ac and heat, it means there’s an issue with the thermostat itself. 1. Change heat set point. Change heat set point. When Ecobee isn’t switching on the heat, the initial step one must perform is double-checking the temperature setpoint. 0:00 / 19:58. Introduction. Ecobee Thermostat - How To Operate. DIY Pinto. 187K subscribers. Subscribed. 1.6K. 166K views 3 years ago. Demonstrating how to operate …Apr 13, 2023 · If your Ecobee isn’t turning on Ac and heat, it means there’s an issue with the thermostat itself. 1. Change heat set point. Change heat set point. When Ecobee isn’t switching on the heat, the initial step one must perform is double-checking the temperature setpoint. Resetting a Honeywell thermostat is simple and only takes a minute or two to complete. Either refer to your Honeywell control manual to reset it or follow the guide below that outl...An Ecobee thermostat will not draw power from the furnace if it is turned off. The furnace also is believed to be the reason for your Ecobee thermostat restarting regularly. A smart furnace is a gadget that allows customers to regulate the temperature in their homes. The smart thermostat from Ecobee is well-known … Check your ecobee thermostat: Ensure the thermostat is calling for heat by checking the flame icon on the ecobee. If the outline of the flame icon is white, it's not calling for heat. By default, ecobee engages heating when the temperature drops 0.5°F (0.3°C) below the heat setpoint. Investigate Threshold settings On the thermostat Are you tired of constantly adjusting the temperature in your home? Do you want a smarter, more energy-efficient way to control your heating and cooling systems? Look no further th...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.Oct 3, 2022 ... New Ecobee 3 not powering up. · The Most Common Reason Why A Gas Furnace Won't Turn On · Heat Pump No Heating Simple Fix · Heat Pump Thermo...Solution 1: Restart your router. Solution 2: Power cycle the thermostat. Solution 3: Connect the thermostat to the right frequency. Solution 4: Reset your router. Solution 5: Add a Wifi range extender or set up a mesh network. Solution 6: Replace your router. Solution 7: Take your thermostat to an expert. …Fan control in Heat Mode. This setting determines how the fan runs when there is a heating request from the ecobee. If it’s set to ecobee thermostat your ecobee will energize the fan directly during heating cycles. This will cause the fan to immediately turn on when a heating cycle is initiated and continue to run until the heating cycle ends.To change the hold settings, follow these steps: Go to your Ecobee thermostat. Navigate to the preferences settings tab. From there, you can find the hold settings. Change the hold settings to your preferences. Once you change the hold settings, the temperature should hold for as long as you want. 5.Step 1 – Inspection of the heater power switch and the breaker. Check if your breaker has flipped. This issue will occur when there has been a recent power surge around your premises. It may also happen if there has been a lightning storm in recent days. If your switch has flipped, push it back up and get your thermostat working.Aug 28, 2019 ... which is not the same as turning it off. ... And I can again recommend ecobee as a great thermostat ... It is not possible to set or lock Ecobee ...In case the thermostat turns off after you have adjusted the temperature settings, it could indicate problems with your Ecobee Thermostat; contact a technician …Turning it on should disable the red light on the device. You can easily turn the microphone on through your Ecobee smart app. Power Cycle Your Unit. While the two methods mentioned above did the job for most users, you might not be that lucky. It all comes down to managing the final condition of the unit.If a circuit breaker is tripped, reset it. To reset a circuit breaker, you first have to press the switch down and then up into the “on” position. You’ll hear a click sound when it is on again. After you’ve reset all the tripped circuit breakers, your thermostat might turn the heat on and then you’ve fixed the issue.EcoBee has contacts labeled acc+ and acc- that can be set up to do a wide variety of functions. For this typical dehumidification function using the system, you would select Menu > Installation Settings > Dehumidifier > 1 Wire ACC+ > Open contact state to activate the dehumidifier. This setup uses 24V power from the R …Ecobee not turning heat on. Since two days the Ecobee thermostat is not turning heat on. I worked with the Ecobee tech support, they had me move wire W1 to W2. It worked for a few hours after that but then not working at all. I have to manually keep turning it on via phone app. They said that there is something wrong with my furnace that keep ...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.Ecobee Smart Thermostat: https://amzn.to/2Z5AzSAFavorite Smart Home Devices: https://www.amazon.com/shop/onehoursmarthomeIn this video we teach you how to fa...Power Issues. Start by verifying that your furnace has a power connection. You can check the circuit breaker for tripped switches. If there are not tripped breakers …AC is called for on the Y wire, so without that the ecobee has no way to use the AC. If you have a C wire (often times blue) then you shouldn’t need a PEK. A PEK is used when no C is present. I would go to the furnace control board and check to see what the wires actually go to and match them up at the ecobee. Automatic versus Manual Threshold Staging: By default, ecobee thermostats will have the Configure Staging option set to Automatically. In this mode, the thermostat uses smart algorithms to determine heating/cooling calls, staging, and fan runtime. If you prefer more control, you can switch to configure staging Manually, which allows fine-tuning ... You Can Have Up to 16 Thermostats at the Same Time. You Can Opt To Control the Thermostats Independently. There are Added Security for Controlling Ecobee Thermostats. Other Benefits of Ecobee Thermostats. Conclusion. You can use multiple Ecobee thermostats in the same house since …If A thermostat is just a complicated switch. Power down wire nut Y to R. The compressor should kick in. If it doesn’t then the problem is at the other end of your thermostat wires. The fact that your Ecobee is powering up tells me you have power @ the thermostat. First run outside and check the disconnect box.Experiencing difficulties with your newly installed Ecobee thermostat not turning on can be frustrating. This guide offers succinct steps to troubleshoot and address the issue of your Ecobee not activating after installation, ensuring seamless and functional integration into your home’s climate control system.If you are still receiving the alerts after changing the setting or turning the alerts off, you can switch everything to default and get rid of any bugs that might be causing the issue by resetting the thermostat. To reset your Ecobee thermostat, follow these steps: On the touchscreen of the thermostat, press Menu. Select Settings. Go to Reset.You are probably wondering what the problem is and how you can fix it. Here are 6 reasons why your ecobee is running when it shouldn’t: Your smart recovery feature is faulty. Your fan is set to run when your HVAC is off. Your heat/cool dissipation feature is set incorrectly. Your fan runtime is set too high.Jan 15, 2021 ... I go through the 2 things you'll need to do in order to stop the holds on the Ecobee Smart Thermostat. ***Webcore is no longer working to ...UPDATE: Tried shorting the Rc and G wires on the thermostat on Ecobee support's suggestion to turn on the fan but it does not work. The Y wire (one of the two white) also had unused blue and red wires. Ecobee needed a C wire to be installed. Y Wire from the picture above had an unused red wire at the control panel which Ecobee …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 …Like any thermostat, ecobee can control multiple zones in your home by having multiple thermostat units connected to a zone control board. However, a single ecobee thermostat cannot control multiple zones. Each thermostat controls a single zone. So, if you have three HVAC zones in your home, then you will need …Next, press the power button on your thermostat to switch it off. Unmount your thermostat from the wall. This will reveal the wiring at the back of the device. Locate the C-wire and unplug it from the backplate. In most cases, the C wire has a red color. Wait 5 minutes. Now, re-plug the C wire to the backplate.Jan 15, 2024 · Reasons Why ecobee Is Not Turning On Your AC. Primarily, there are two main causes of the ecobee not turning on the AC. First, it is noteworthy that as the HVAC operates, it condenses some water from the surrounding. The water may build up in the HVAC system, causing it to fail. Let us look at the first cause in detail. 1. Clogged Drain Line Installed over the summer, and this is the first time using the heat with the ecobee. I have 2 zones, the downstairs thermostat/hvac works fine, upstairs heat doesn't work though (AC is fine). Found a thread Set furnace to control fan - sounds like the furnace is turning on, but only for a short period, then shuts off. Then back on, and back off.An Ecobee thermostat may not cool for several reasons, such as incorrect settings, system faults, or an incorrect installation. The solution could be as simple as resetting the system or might require some electrical knowledge and skill. Checking the manual is always a good place to start. If you aren’t ready to throw in the towel and call …If your ecobee thermostat frequently loses power and displays a "calibrating" message, follow these steps to identify and address the issue: Possible Reasons for Power Loss: …Ecobee Not Turning On The A/C You’ve come to the correct place if your Ecobee isn’t turning on the air conditioner anymore. It might be perplexing, not to mention annoying, ... Ecobee thermostats, with the exception of the ecobee3 light, mandatean R or Rc or Rh wire to operate. | Cucrnwilodc (article) | Motjki.