TH016

In addition, the Heat Link's status light will be yellow when its disconnected from your thermostat. Then connect the nest power adapter to your AC. Check that each wire has inch (6mm) of exposed wire. If its on, turn Bluetooth off and then on again to reset the connection. Hold down the Heat Links button until its light turns off. Try turning off these devices one by one to see if your thermostat and Heat Link are then able to establish a wireless connection. E102 Important: Protect yourself and your thermostat and your system. N23 If you're installing the Nest Power Connector and you get an E297 help code, your thermostat needs an update. If your thermostat controls your domestic hot water tank, your hot water will also turn on. Youll see this code if youve removed the Heat Link from the app. Move the Heat Link so it is at least 30 cm away from the boiler or other large metal objects. Press and hold Heat Link's button for about 20 seconds. For example, if you see"g.co/nest/needWY" you need to check your W or Y wire. Wal-Mart Canada Corp. 1940 Argentia Road Mississauga, ON L5N 1P9. Use the picture of your old thermostats wiring to enter the wires into the app. E77 TH017 This seems to be a common problem (many forum discussions) but I'm hoping for a simple answer, otherwise I just send the nest back. These steps cover the following help codes: N1, N21, N71, N2, N22, N72, N3, N23, N73, N153, N4, N24, N74, N15, N5, N25, N75, N6, N26, N76, N156, N7, N27, N77, N28, N78, N29, N79, N159, N261. Your Wi-Fi router may not fully support a Wi-Fi standard known as power saving mode. suggestions. Put the display back on the base and turn the power to your system back on.

Follow the on-screen instructions to scan the QR code and add Heat Link back to the app. If youre still not able to fix the problem, contact a Nest Pro, who can properly diagnose your heating system and your Nest thermostat. Thanks much for the comments. Lastly, you can find HVAC professionals in your area and directly tell him or her your devices problems. E264 Continue 14V B:R. 9V B:G&B:Y 1.3VB:W. I read this whether the system is cooling or not. Sometimes you need to reboot the Nest in order for it to recognize the new wires. While youll usually see this code during or right after thermostat installation, it can sometimes occur after youve been using your thermostat for a while. Go through each step in this list in order. The serial number is above the QR code on the back of the display. Put your phone into airplane mode, then check that Bluetooth is on and that youre connected to Wi-FI. TD004 You might see a help message on your Google Nest thermostat or in the app if theres a problem or error detected with the thermostats wiring, power,Wi-Fi connection or other issue. E58 3rd gen, E1 Make sure that the Heat Link is correctly wired. After each step try to set up your thermostat in the app. E184 Also check the switches for other system components such as fans. This error occurs when you try to access your account information or when you try to log into your account on the internet. Youll see this code if the wires in your thermostat werent configured properly in the Home app. E78 These steps cover the following help codes:E10, E30, E66, E80, E116, E160, E196, E296, M13, N254, and N262. Turn off power to your system at the breaker box, fuse box or system switch.

E23 But I've not seen a Nest error message in the past few days and it is working. BTW the original batteries came with the brand new Nest with a plastic tab I pulledexpected to be good. Follow the app instructions. N5

Youll see this code if your thermostat lost power. Hi, did this system work correctly before you tried installing the Nest? E34 TH004 On this page, you will find more information about the most common causes and most relevant solutions for the Nest error 'N262'. Press the connector button down and insert the wire as far as it will go. If you followed the steps above and you still see the message on your thermostat, contact Google Nest customer support for more help. If you see another code, start over to troubleshoot that code. Select your help code to go to the troubleshooting steps you need. If the status light is yellow, continue to step 2. E162 Be careful not to touch any of the components inside your system except for the system wires.

I would not run a nest without a common wire. But these components often have two wires so a relay must be installed to convert the two wires into one for Nest compatibility. If you do not have a C Wire, you can install one. E74

To view this video please enable JavaScript, and consider upgrading to a N22 Youll need to contact Google Nest customer supportto help resolve this issue.

Release the button. TD027. It is a multinational corporation that develops, manufactures and sells a variety of products and services. Re-test your system. TD009, TD018 You might see this help code for one of the reasons below: You can check your thermostat or your system for a C wire yourself, or contact a pro to check for you. 1st gen, Nest Learning Thermostat On your thermostat, tap on the right side to open the menu.

E89 If youvecompleted all the troubleshooting steps above and your thermostat still isnt working correctly, contact a local profor more help. The message shouldnt pop up again after you dismiss it, however you may want to contact a pro to take a look at your system. E10 Your Wi-Fi router is not providing a network IP address to your Nest thermostat. E85 N78 E298 Try moving your other Google Nest devices closer to your router. The code you see will tell you which part of your system had an issue during the test. N77 Troubleshooting steps for each help code are very similar even though the reasons for the code can vary. If your Nest thermostat suddenly started showing one of these codes during the hot summer months, visit the following link to learn how to help fix it: These steps cover the following help codes: E299, M24.

If youve already installed the Nest Power Connector, you might need to update the wiring info in the app. Check that your thermostat is awake by pressing the thermostats ring. Make sure the wires have to inch (6mm) of copper exposed, the wire is fully inserted into the connector, and that the wire connector button stays down. Move the Heat Link so it is at least 30cm away from the boiler or other large metal objects. Not quite sure about your wiring but we see a Trane air handler with control board. Check that the breaker switch or fuse that controls power to your system is set to on. Move your other Google Nest devices closer to the modem and router. E296 Sorry, this webpage requires JavaScript to function correctly. Find your help code and click on the article to the right of the code to go to the troubleshooting steps you need. On your thermostat go to, If the System Test is still running on your thermostat, select. Make sure the system test is over, and check that your thermostat and system are working. E104 You can also double check that the socket is delivering power by plugging in a lamp or other electronic device and turning it on. Go here to. TH008 If you have one of the codes in this table, check your system for the issue listed below then restart the System Test if needed. Turn off power to your system and thermostat at the breaker or fuse box before exposing or adjusting any wiring. E55 Make sure its in all the way and the connector button is down. Go through each step in this list in order. Look at the table belowand select your specific help code then follow thetroubleshooting steps. You can manually turn on your heat with the Heat Link while you troubleshoot so you can stay comfortable. E258 E36, E37 The C wire isnt providing enough power to your thermostat.

In the last few days plenty of error messages and strange behavior by the Nest and today I got an email from the Nest Team saying I had a C-wire problem. N79, N153

E3 Well let you know what were up to, and you can tell us how were doing. E82 The Nest thermostat is connected to your wireless network but not to the Internet. We've created a list of solutions which you can follow if you want to solve this Nest problem yourself. E39 Heat pump wireO/B detected. Do you need more help? TH003 Normally, a Heat Link should automatically reconnect to your Nest thermostat after you reset it to factory defaults. You can alsocontact a pro for other issues (including HVAC). Find your help code below, and follow the link to troubleshoot. System power should be turned off during thermostat installation to help prevent blowing a fuse but it should be turned on for testing. E73 After you have the wiring diagram, you can exit device setup. Use the app to check that your other Google Nest devices are connected to Wi-Fi and working correctly. Then turn power to your system back on. This caused no voltage to come to thermostat. You can unsubscribe at any time. Heat pump systems can heat when theyre supposed to cool (or cool when theyre supposed to heat) if the O|B wire isnt configured right during thermostat setup. If it's still not working, check that your system wires are connected to the right connectors. Please remove at least one ofO/B,W1,Y1or AUX. Note: To find the code, pull off the Heat Links cover and look for the code near the left screw hole. Also check that there isnt anything directly between your Heat Link and thermostat, like a large mirror or refrigerator. Check if your system is working normally and check the thermostat for a code. E84 Find your product below and use the appropriate article to either restart or reset other Nest devices based on the instructions you read above. E160 E88

Wiring pic below. Use the article below to troubleshoot your issue. My house uses a dual transformer system for heating and cooling. If your thermostat asks for a pairing code, look on the bottom of Heat Link for the 6-digit code. Begin thermostat setup with the app to connect it and your Heat Link to your account again. We welcome your comments and No power toY1wire detected (cold weather shutoff). Release the button and wait for your Heat Link to restart. These steps cover the following help codes: E255, E257, E258 E264, E269, E294. Too many wires detected. TH015 Visit our support page. E4 Your HVAC system uses high voltage, which can be dangerous. When the factory reset is complete, the Heat Link's status light will pulse blue. N1 Important: Protect yourself, your thermostat and your system. Youll need to reset your thermostat to the factory default and add it back to the Home app. We strongly recommend professional installation for systems with dehumidifiers or humidifiers because of setup complexity. All information is provided "AS IS." Make sure the wires have to inch of copper exposed, the wire is fully inserted into the connector, and that the wire connector button stays down. Then connect it to your thermostat. Turn off power to your system and thermostat at the breaker or fuse box before exposing or adjusting any wiring.

Youll see this code if one of the wires in your thermostat is receiving power, but it's less power than expected. N72 Dual fuel can have at most two alternate heat wires. Follow the app instructions until the app asks you to enter your thermostat wires. This error can be annoying and frustrating because you cannot access the services properly. Does anyone know if this might actually be possible? If youre still having trouble, go to the next step. your Wi-Fi network. H72 Eventually I figured out that the 3A fuse on the furnace control board blew, after replacement 24v is at thermostat and appears to control the ac condenser correctly, however, now the furnace runs on heat regardless of thermostat settings. Visit our support page if you need professional support with Nest right away. Many systems have a built-in delay so it might be 5 minutes or more before your system turns on.

Get an answer from an expert on the Google Home Help Forum. Check that the wires are inserted correctly in the thermostat. Use the article below to troubleshoot your issue.

Press your thermostat ring to open the Quick View menu. There should be to inch of straight copper wire exposed. See this article for specific steps to change the setting.