0:09.9. 3:17. Troubleshooting. [FIXED] Nest Thermostat E74 No power to Rh wire detected. Sometimes condensate overflow or low on refrigerant. Thread Tools Search this Thread #1 01-11-20, 09:30 AM R. RandomName213. Join Date: Jun 2015. No power to thermostat can be a case of longevity. There's not many troubleshooting tips for these new Nest Thermostats, so figured I'd try here in hopes of someone having some tips before resorting to contacting support/having a pro installer come out. The thermostat has been working for years. Go to your breaker box and look for the breaker that powers the furnace or air conditioner. If there is no power to this wire, the thermostat will not be able to send a signal to the HVAC system to turn it on. Posted by 1 year ago. Posts: 61 Received 0 Votes on 0 Posts No power to Y1 - nest thermostat . 1. Thermostat (or heat link?) If you are new to this device and haven’t been in a situation where a thermostat has completely gone out of charge, then you should know that after power restoration it will typically take an hour to charge back up and get back to its proper working state. lost power, thermostat battery emptied, now won't connect to heat link. It would shut down and the screen would go black. The fix was way easier than I thought. Luckily I have a setup where I have other Nest thermostats so I am just going to change. If you don’t see any blinking lights and the Nest refuses to turn on, usually this means that the battery is completely drained. Get it Monday, Dec 14. No power to Y1 - nest thermostat. £9.99 £ 9. No power toW1wire detected. Your Nest Thermostat will automatically boot up and the setup process will begin. ... Thermostat red wire (NO POWER) - Blown Fuse - Duration: 3:17. This video is unavailable. Your Nest Thermostat is physically detecting a wire in theW1(heating) connector but isn’t detecting any power to it. One upstairs the other down. Introducing Google Nest. The downstairs thermostat which has been installed and working for over a year recently began showing code of e74 (no power to … Close. Go back to your breaker box and turn the power back on to every breaker that you turned off. I have 2 nest thermostats. I had no power to my Honeywell VisionPro IAQ thermostat. Check at the furnace. Here’s more information on restarting your Nest. Folks, We have a 2nd Gen NEST thermostat at my wife's house... tenant has vacated, (died actually), and we no longer have the power adapter. If your Nest thermostat isn’t getting enough charge for whatever reason, it will not work properly or cause your AC to power on and off. Find out more here . Close. The first step in setting up the Nest Thermostat is selecting your language. Ideally, during power outages, the Nest thermostat will only need to function for one to two hours on battery backup. I believe my heat and cooling is 1 stage. Arrives before Christmas. When I put it back on, I later got a "no power to Y1 … We do have the thermostat itself, and the stand and USB cable, as circled in green on the picture... but we don't have the USB - 3 pin plug as circled in red. E13, E33 & E83 A heat pump can have at most one auxiliary heat wire. Other thermostats, like the Ecobee, come with an adapter that can be used if you already have four wires, but no common wire — Ecobee thermostats are also discussed below. The best way to figure out if you need to … It’s complicated to set up and manage, with a lot of different devices that don’t work well together. And you can control it from anywhere with the Nest app. I’m no electrician or furnace expert but I was able to handle this. I've tried power-cycling the system and disconnecting and reconnecting the wires, but no luck, yet. Thermostat (or heat link?) The thermostat has been working for years. I put the AC on late last night, it turned on and cool air was coming out. FI don't know. Watch Queue Queue. No power to nest thermostat. 0:09.9. I know this in not IT or Security related, but is technology related and thought and hoped it would help someone. 3 years ago Check the furnace status LED when the R alert is happening. My Nest Thermostat said "No power to RH wire detected" I have tried turning circuit breaker on and off No luck The nest thermostat has gone all black now, like it is not on. To check disconnect wires from the Nest base. Location: USA. Joe Hopkins 19,125 views. Mostly I won't go back to Nest again, I'll use Honeywell. This morning, when I walked by nest, it had a Wiring Report message with E24 displayed...meaning no power to Rh wire detected. I called a technician and he found out the cause is faulty Nest thermostat. Posted by 1 year ago. 0:15.3. out the thermostat before I go jumping into the wiring. Archived . Hello. Nest thermostat has power issues. It's sad that $250 Nest stopped working in 3 years. Easy to use and beautifully designed to blend into your home. The problem appears to be that no power is coming to the downstairs thermostat. 2. New home owner here and trying to figure out what's going on with the AC unit. The AC would not crank up and it was hot in my house. So we’re simplifying things and bringing together all Nest and Google Home products under one roof. I believe my heat and cooling is 1 stage. Step Three: Set Up the Nest Thermostat. lost power, thermostat battery emptied, now won't connect to heat link. Use a common wire with a Nest thermostat or suffer the consequences (electronicdesign.com) The Nest Thermostat Rant Page (greyghost.mooo.com) When doing your own research on the Nest pulsing problem, look for terms like: pulsing, cycling, short cycle, power leeching, no … Watch Queue Queue Then twist together the Rh, G, and Y1. 1 year ago. Troubleshooting. But two sets of 4 … My Nest thermostat not working message e4 - No power to Rh. 0:15.3. 99. The Nest powered up immediately like it should, and the unit responded to all the adjustments I made on the Honeywell. I believe my heat and cooling is 1 stage. - Duration: 1:03. My Nest thermostat not working message e4 - No power to Rh. The message on the thermostat was, that there is no power to Y*. Well during this time, the internal battery will run to, if you take more than one day to fix this. First: Most likely the blue wire you found is not connected to anything at the other end. Contractor's Assistant: Do you plan on doing the work yourself? Step 1 Check the circuit breaker. Power Cable for Google Home Mini,AIEVE USB Power Cord Power Supply Cable for Google Home Mini and Nest Thermostat with Power Charger Adapter (6.3ft/2m,White) 4.5 out of 5 stars 62. How to Tell if You Have a C-Wire. He removed the Nest and installed my old Honeywell non-wifi thermostat and my air conditioning started working again. Once the RH power back, the thermostat unit will charge the battery and turn on the display. When I looked at the screen, it would give me that infamous “no power to RH (or RC) wire detected”. You can check for power yourself with a few household tools. Got a Nest thermostat here says, “No power to R wire detected” 0:04.7. So, last week, my Nest Thermostat starting acting up. Check how long you have used the thermostat. 0:20.9. One way you can resolve this is by connecting your Nest to a constant power wire from the furnace. In this guide, we explain its purpose, life-span, what to do if it won’t charge or is showing as low. I have a 2 zone system and a handler in the attic. Second: No power to Y1 is an indication of a problem with the AC. No power to nest thermostat. The thermostat is unresponsive with no blinking lights. Thread Starter. Welcome to the helpful home. The thermostat has been working for years. Nest thermostat keeps restarting. Tried to install Nest 3Gen and the unit keeps rebooting every 5-10 min I have a common wire, AC, Heat, fan and power wire My old Honeywell 8320 thermostat works fine aftet I reinstalled This is because the Nest thermostat keeps its internal battery charged by drawing power from your cooling and heating system wires. My Nest thermostat not working message e4 - No power to Rh. I took out the unit of the wall and the screen turned off, and even that I connected it back I got a blank screen.I called for technician, the guy found out that is nothing wrong with the furnace or the connections, he was able to turn on the screen again but the device couldn't turn on the furnace. No matter which model you are using, be it the 1 st, 2 nd, 3 rd generation, or the latest Nest Learning or E Thermostats, they all come with an inbuilt battery. The upstairs nest thermostat works great. Contractor's Assistant: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat? Make sure the display is properly connected to the base so the battery can recharge. Saved me a bunch of money. Charge Nest Thermostat with USB. I was using Nest 3rd gen thermostat. But two sets of 4 wires as follows: 2 red into Rh, two Yellow into V1, 1 black into W1 and 2 green into G. I have a volt meter and voltage is coming from both red wires. Archived. 1412My Nest Learning Thermostat, 3rd Generation, Works with Amazon Alexa has been working fine since installation 7 months ago. My thermostat for Z-wave protocol had to be replaced after 8 years of use. If you have used the thermostat for a long time, it could just have ‘died of old age’. About a week ago, I pulled the face off the thermostat to touch up the texture around it. But two sets of 4 … I did on the other one pull the deal off and reset the R wire to see if it was that. Furnace could be overheating which cuts power to R until things cool down and then furnace restarts. The downstairs one however does not have power on the RH cable. AC Not Working. Google will no longer sell the $169 Nest Thermostat E on its site as a DIY product, but the thermostat is still available through professional installers for an additional fee. Member. Thermostats Cameras Doorbell Alarm system Lock Smoke + CO alarm For too long, the smart home hasn’t been very smart. 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