On the Nest Thermostat, these features are called Auto-Away and Home/Away Assist, respectively.The former uses only the Nest Thermostat’s motion sensor to determine whether … I would expect NEXT to be specific with their findings, as many of us see this problem. I wouldn’t be surprised either way. Was going to try the yellow wire fix but was hoping there would be a better solution 4 years after this article. The explanation I got from Nest phone support was that the extreme cold was affecting the yellow wire that runs outside to the air conditioner somehow. Do you have any similar results with Trane units? …I noticed the Peak Saver timer/power interrupter outside, did not show the power light as being ON. And if they saw the battery was trailing off, it’d be helpful to shoot me an email and warn me that something might be amiss. Turn power off to your furnace. My furnace was certainly not idle. I don’t buy into the explanation that it was the colder-than-normal weather. eval(ez_write_tag([[468,60],'voltguide_com-narrow-sky-2','ezslot_21',133,'0','0']));Connect the wire back into the thermostat connector and fit the display. But now the heat won’t shut off even after it reached the target temperature. I have the exact same problem. I had issues with me nest last year. Also I don’t know which wire does what – so I don’t know what to try. Worth a try if you have a gas furnace and none of the Nest troubleshooting helps. If you notice that the fan has stopped spinning, the thermostat is problematic and has to be changed. They have a 1st Gen Nest controller and I found this article. My AC nest is shut off but still on. If you have a radiant floor heating system you can use the preheating settings. In some cases, the Wi-Fi chip of the thermostat tends to get overheated resulting in incorrect ambient temperature reading. Needless to say I was P#####t.that it had to take 7hrs to resolve this . Furnace went right back to normal. Turn the ring around and select Settings from the menu. This can help to fix the problem of the fan not turning OFF. I taped the end of the wire and pushed it back into the hole. I wanted to leave the solution for my E195 and delay for 3 minutes nest issues as this is the best thread on the issue I have found. This will prevent the AC from being turned OFF when you are at home. This article saved us. As a temporary solution, while I waited for my replacement, I hooked my W1 (furnace) to Y1 (cooling) and turned the temp down. If your humidity sensor isn’t working properly, your thermostat may feature an OFF reading. DISCLAIMER: Do NOT attempt to fix any electrical appliance or component yourself. It was working with the Nest, but the original installers only ran 2 wires to the thermostat – and no way to rewire. Lack of a common wire of not enough power may make sense. Between Y and C on the furnace control board. It doesn’t make much sense to me.). Post was not sent - check your email addresses! If your heat comes on after shorting the red and white wires together and is no long short cycling, your thermostat is likely the problem. This feature can, depending on your thermostat model, use two different triggers to decide whether you’re home: the motion sensor on the thermostat unit itself, and the GPS on your phone (a.k.a. They had to connect a blue wire (referred to as a “common wire?”) which wasn’t previously connected to the HVAC system or thermostat. Anyways thankful everything is now working especially since the cold weather is about to migrate from the east to the west. In some cases, turning the schedule OFF and then ON again solves the problem. Fortunately, we had an extra blue wire that wasn’t hooked up to anything on either the thermostat or furnace end. 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