This will remove the reply from the Answers section. You'll see H help codes if your home has one of the following systems. Boiler Heat Link Thermostat 30cm min 30m max Install Heat Link 3. blowing a fuse in your equipment. If your thermostat is showing a code, go back to the beginning of this troubleshooter to troubleshoot that code. If they aren’t, re-insert the wires. On your thermostat go to, If the System Test is still running on your thermostat, select. The fuse will literally pop out when this happens. No heat pump system present. Hi all, I'm looking for some advice. Make sure that the Heat Link is correctly wired. Make sure the thermostat display is completely attached to the base. We are experiencing longer than normal wait times for support. My biggest frustration is the lack of programming flexibility. E90 N6 They may have a separate switch which also needs to be set to on. E75 If your thermostat is showing another code, go back to the beginning of this troubleshooter to troubleshoot that code. Tap Add + at the top left of the home screen and follow the instructions on screen. E4 E83 N79, N153 Additional wire(s) required. E13 It turns out the wire run for the downstairs thermostat runs about 2 inches above the hole where the upstairs thermostat wires come out of the wall. 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. Discard post? E297 E38 H156 E159 Changed to a Nest thermostat 3 weeks ago and it was working fine. There may be a single switch, or two switches: one for heating and one for cooling. E53 Some community members might have badges that indicate their identity or level of participation in a community. Too many wires detected. Make sure that the Nest power cable is fully inserted into the power plug and that the plug has been pushed all the way into the wall socket. The heating light will turn green to let you know the heat is on. E82 E299. Put this wire in the Nest Thermostat’s W connector. When the critical temperature is reached, the thermal fuse blows. E102 First, make sure the power to your system is on. I currently use three room sensors. Press and hold Heat Link's button for 20 seconds. E258 E36, E37 If it’s not, push it down on the base until you hear it click. After you check the power, go to your thermostat and check if it’s working. For example, if you see "g.co/nest/needWY" you need to check your W or Y wire. Also check the switches for other system components such as fans. E80 Nest points out that this helps prevent tripping a circuit breaker or blowing a fuse on your existing equipment. It is a Potterton HE boiler, and a Honeywell controller. Turn the ring around and select Settings from the menu. E160 Heat pump systems can heat when they’re supposed to cool (or cool when they’re supposed to heat) if the O|B wire isn’t configured right during thermostat setup. Disconnect wires and remove base After removing the base, we recommend gently wrapping the wires around a pen or pencil to ensure they don’t fall back into the hole in the wall. The message shouldn’t pop up again after you dismiss it, however you may want to contact a pro to take a look at your system. To find your thermostat’s serial number, pull the display off the base and flip it over. If there’s a wire (usually orange) in your thermostat’s O|B or * O|B connector you have a heat pump. Look at the table below and select your specific help code then follow the troubleshooting steps. E89 E184 These steps cover the following help codes: E3, E4, E23, E24, E73, E74 or E195. It may have a handle or latch, or you may need to remove some screws. Check that each wire is fully inserted into its connector and that every connector with a wire is down as shown. E6 Fuse blowing up after installing WiFi thermostat 10-22-2019, 05:49 PM. Make sure the system test is over, and check that your thermostat and system are working. The fuse was a 3 amp (automotive?) Help codes that can occur when adding your thermostat to the app. Then, I moved to the board and found a blown fuse. If you’ve completed all the troubleshooting steps above and your thermostat still isn’t working correctly, contact a. You’ll see this code if there is an issue with the wiring in your thermostat. N78 If you’re still not able to fix the problem, contact a Nest Pro, who can properly diagnose your heating system and your Nest thermostat. Use the picture of your old thermostat’s wiring to enter the wires into the app. N22 In some cases, you may need to enter the Heat Link’s pairing code into your Nest thermostat. Make sure the power is on for both then check your thermostat. If it seems to be helpful, we may eventually mark it as a Recommended Answer. If the test fails, move your thermostat again and re-test. Thank you. The Nest thermostat is connected to your wireless network but not to the Internet. If you are using a Nest thermostat, it is the problem. Important: Protect yourself, your thermostat and your system. E106 In either case, you’ll need to bring in a professional. Follow the on-screen instructions to scan the QR code and add Heat Link back to the app. Blew a couple of days ago and now consistently blows when I r … read more Check that all connectors with wires are down as pictured. N73 I went down to check the power going into the furnace and had 120v. How you troubleshoot this code depends on if your thermostat is on a stand or installed on the wall. Your HVAC system uses high voltage, which can be dangerous. You’ll see this code if your thermostat can’t detect your system’s OpenTherm. 2nd gen, Nest Learning Thermostat Press and hold Heat Link's button for about 20 seconds. E25 On your thermostat, tap on the right side to open the menu. Post is disrespectful, about third party products or contains unrelated content or personal information. Try flipping the switches that control power to the Heat Link and your thermostat off and then on again. E5 If you’re still not able to fix the problem, contact a local pro, who can properly diagnose your heating system and your Nest thermostat. The Nest Thermostat is designed to work even if your home doesn’t have a common (C) wire. This table shows you which wire or wires you'll need to troubleshoot. You can also check power to the socket that the Nest thermostat is using by plugging in a lamp or other electronic device and turning it on. Check that the power to your boiler hasn’t been turned off. Make sure the wires have ⅓ to ½ inch of copper exposed, the wire is fully inserted into the connector, and that the wire connector button stays down. The fuses are just not made to handle that much amperage. Troubleshooting a “Failed to connect” code. Mark where screws will go Use the bubble level to make sure the Nest Thermostat … E34 Your system is wired for and compatible with OpenTherm, but the OpenTherm option wasn’t selected during setup. Use the picture you took of your old thermostat’s wires or your control board wires as a reference. Our get started with your HVAC system must be off to avoid a... Power by plugging in a professional to provide it with dedicated power old thermostat’s wiring enter! For dehumidifiers or humidifiers harassment, hate speech, impersonation, nudity ; malicious illegal! O/B, W1, Y1 or AUX the system wires are connected to app... Just not made to handle that much amperage that prevent your Nest product 's MAC and... 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