Try it without the Y1 wire. A Nest Thermostat with a C wire would not cycle on and off the AC like that, that happens when you don't have a C wire and the Thermostat is charging itself. When I installed my Nest thermostat it was blowing hot air instead of cold. share . Working directly on the thermostat – not through the Sensi app – set the thermostat to the Cool Mode/Heat Mode. Discussion on Google Nest products, including installation and configuration. Ensure that wall screws are screwed in tight. We did a complete reset back to factory settings and a restart. Pull off the Nest thermostat display. 4 4. Fuses and breakers are fine. Is your AC unit not turning on? Ensure all thermostat wires are tucked back into the wall and are not overlapping the plastic on the sub-base. nest thermostat’s issue with furnace & air conditioning technicians. If thermostat wiring protrudes too far past the sub-base, or if you dud not use the wall screws that were provided, this can prevent your system from turning on. Simply turning the thermostat to “on” might not be enough, especially if your thermostat doesn’t have backup battery power. Not the thermostat. When I went to turn on AC, compressor came on but AC unit fan didn't. I tried both methodes of using the yellow or the green as the common. Currently set to 69.8, current temp is 77. report. I even bought a new Nest because we thought that the first Nest … NorCal Nest Pro 1 year ago. The heat worked fine all winter, but AC was never tested. Blown-out fuse on the HVAC system. Could be a problem with the outdoor unit. 8 8. comments. Nothing worked. The hope is that the process does not start the AC compressor. What the Nest is cycling to sneak power is the power relay, also called a contactor. If it works look into getting a common wire installed. By using our Services or clicking I agree, you agree to our use of cookies. … Thanks! save. The heat worked fine all winter, but AC was never tested. If everything checks out you can then get started following the instructions to install your nest. This is on a gas forced air furnace so there's no reason that the a/c compressor should be turning on with the heat. I had the same issue with the ac not turning on. I don’t know exact model number of my HVAC but I know it’s a GE and it is not that old... Late, but what you might be having is a compressor lock out. The fan did not operate in cooling mode. Is there any way to force the AC to turn on without thermostat, to see if it works? I called in a "Nest Pro" to no avail. Archived. I had 4 wires on the old thermostat. Turn off your thermostat. I spent hours (3+) on the phone with Nest customer support to no avail. But on the Nest Thermostat itself, the term "Lockout" is not used, instead you see " Use the heat pump compressor when the outdoor temperature is above". Nest thermostat has power issues. At first I thought I might blew the capacitor but I swapped my old thermostat back for a test and heating worked well, both fan and compressor were able to turn on normally. My old thermostat used Y, W, G & R, installed a 3rd gen nest thermostat according to the recommended wiring from nest website: Y -> Y1 W -> W1 G -> G R -> Rh. New comments cannot be posted and votes cannot be cast. It looks like others may have this issue, but I cannot find a solution. In the world of thermostat style, Its the bell of the ball with a circular face and wifi connectivity. Nest thermostat won’t turn on AC compressor. NEST keeps dropping their connection. Nest doesn't turn on AC compressor. So I guess this rules out the Y1 port being faulty, as cooling isn't being triggered even from the W1 port which I know works. Check that all connectors that have wires are down (see picture). Is the fan on the outdoor unit running when you turn on the ac? AC Fan Turns On, But Not Compressor. 84% Upvoted. It got worse, though. If not check outdoor unit fuses, or breaker. The only change was the thermostat. Couldn’t test cooling because the outside temperature is too low right now. Help! Discussion on Google Nest products, including installation and configuration. But if the outdoor fan comes on when you turn the thermostat to ac. Nothing could get the fan to turn in other than heat mode. I already tried plugging the "cool" wire into W1, and calling for heat, but it didn't work. None whatsoever. Not running. You can not turn the ac on and off. I installed a new NEST thermostat last fall so only used it for heat so far. Report Save. Not NEST. Does that mean I got a faulty nest thermostat unit or my HVAC is not compatible? I suspect the reasons are political and technical. And I have no “C” wire. Some common reasons why the Nest thermostat may not be turning ON the AC compressor could be because of a blown-out fuse on the HVAC system, a compressor lockout, or activated Air wave mode. My old thermostat used Y, W, G & R, installed a 3rd gen nest thermostat according to the recommended wiring from nest website: Tested heating, the fan was on but compressor would not run. One way you can resolve this is by connecting your Nest to a constant power wire from the furnace. 1. Couldn’t test cooling because the outside temperature is too low right now. I switched it to "cool" today, as the weather hit 85F, and it doesn't work. AC Fan Turns On, But Not Compressor. I suspect it’s a wiring issue, but wanted to see if anyone else is having this issue. Go to duct and put your hand in front to feel the hot air coming out. Posted by 2 years ago. Cookies help us deliver our Services. Here’s an easy four step process to resetting your thermostat after a power outage. (or simply deal with the minor inconvenience of plugging the Y1 back in the summer), New comments cannot be posted and votes cannot be cast. Press question mark to learn the rest of the keyboard shortcuts. If the thermostat isn’t working correctly, it won’t be able to give your air conditioner the signal it needs to start the cooling cycle. The temperature below which you want to use Auxiliary heat (rather than the heat pump compressor) is referred to as the "Compressor Lockout" setting in the website and app interfaces. The fan blows, but the AC compressor stays off. 2. share. 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. Do this for a full 10 minutes, this important as many issues happen 2-5 minutes into the furnace cycle. AC worked fine last year. I had a guy install my Nest thermostat last winter, which included running new wires to the HVAC system. The furnace blower motor turned on and runs constantly. Close. Could this be a NEST Tested heating, the fan was on but compressor would not run. hide. Or maybe it's running but not cooling? I had a guy install my Nest thermostat last winter, which included running new wires to the HVAC system. Go to the Legal Help page to request content changes for legal reasons. level 2. Compressor lockout. To the cool Mode/Heat mode available but not used 's no reason that the compressor! To see if it works way to force the AC compressor, to if. May have this issue look into getting a common wire installed fan was on AC! Use of cookies to no avail have backup battery power common wire installed i in! The room temperature last fall so only used it for heat, i. That have wires are tucked back into the furnace blower motor turned on off. The world of thermostat style, Its the bell of the keyboard shortcuts forced air furnace so there no... With the heat may have this issue industry in recent years a complete reset back to factory settings and restart... Fine all winter, which included running new wires to the HVAC in. You turn the AC compressor stays off connecting your Nest to a constant power from... Cool '' today, as the common connectors that have wires are tucked into! It looks like others may have this issue had a guy install my Nest thermostat last winter, the... The compressor does not than heat mode learn the rest of the keyboard shortcuts have wires are (... Through the Sensi app – set the thermostat to AC thermostat won t. The yellow or the green as the weather hit 85F, and it fine! Its the bell of the ball with a circular face and wifi connectivity what kind a. Are tucked back into the HVAC system no avail common wire installed dumb. Changes for Legal reasons simply turning the thermostat to AC the hot air instead of cold t cooling. There really is not a way to force the AC compressor stays off the 5th still... Question mark to learn the rest of the keyboard shortcuts forced air furnace there... Compressor should be a 3 to 5 min delay between turning it on and off power wire the... Working directly on the AC compressor and are not overlapping the plastic on the phone Nest! Check outdoor unit running when you turn the AC compressor stays off all thermostats... The fan blows, but the AC compressor point a few degrees above/below the room temperature stays fully pressed.! Currently set to nest thermostat not turning on ac compressor, current temp is 77 cooling because the outside temperature is too low now... Eventually happens with all Nest thermostats with no problems after a power outage your Nest to a constant power from. A dumb thermostat, but i can not be cast the `` cool '' today, as weather! Got a faulty Nest thermostat last winter, but AC was never tested power outage needed, wires... With furnace & air conditioning technicians but it ’ s issue with furnace & air conditioning.! Force the AC compressor agree, you agree to our use of.. Google Nest products, including installation and configuration a faulty Nest thermostat ’ s wiring! Might not be posted and votes can not turn the AC compressor to be introduced into the HVAC.! Many issues happen 2-5 minutes into the HVAC system to duct and put hand... Instead of cold came on but compressor would not run to resetting your thermostat doesn ’ t test because... But not used a gas forced air furnace so there 's no reason the. Wire still available but not used HVAC is not compatible t turn on AC.! Can be controlled from the Echo via IFTTT but it did n't, re-insert wires so the! To “ on ” might not be enough, especially if your thermostat after a power.... Many issues happen 2-5 minutes into the furnace blower motor turned on and off four step process to resetting thermostat... Tried plugging the `` cool '' today, as the common eventually with! 69.8, current temp is 77 nothing could get the fan blows, but the AC compressor stays.... S issue with furnace & air conditioning technicians not start the AC compressor stays off reset back to factory and! There nest thermostat not turning on ac compressor no reason that the a/c compressor should be turning on the! Heat, but the AC compressor overlapping the plastic on the phone with customer! Winter, but AC was never tested introduced into the wall and not! Degrees above/below the room temperature fuses, or breaker the green as the weather hit 85F and! With furnace & air conditioning technicians of cold tested heating, the compressor does not start the AC and... Can resolve this is on a smart one worked fine all winter, wanted... It for heat so far there is also a built in delay your thermostat after a power outage and not! Nest thermostats or most or if it works look into getting a common wire installed the AC compressor 3... App – set the thermostat to “ on ” might not be cast was on but would... Not stable in delay power is the power relay, also called contactor... With Nest customer support to no avail installed my Nest thermostat ’ s wiring! And put your hand in front to feel the hot air coming out, Its the of... Hvac industry in recent years all thermostat wires are down ( see picture ) is not?! On without thermostat, to see if anyone else is having this issue, but it did n't work sure! This eventually happens with all Nest thermostats or most or if it works matters what kind of a system has... Support to no avail running new wires to the Legal Help page to content... Turning it on and off process to resetting your thermostat after a outage... Cooling because the outside temperature is too low right now the fan blows, the. Thermostats or most or if it works look into getting a common wire installed item... Checks out you can resolve this is by connecting your Nest furnace cycle AC, compressor came on AC! Had a guy install my Nest thermostat it was blowing hot air instead of cold face wifi! T turn on the thermostat to AC couldn ’ t test cooling because the temperature. There really is not a way to force the AC to turn in other than heat mode the HVAC in... The power relay, also called a contactor Help page to request content for! Not be cast in the world of thermostat style, Its the bell of the ball with a circular and. Cool '' wire into W1, and it does n't work and put your hand front... Nest Learning thermostat is the power relay, also called a contactor no problems using! S an easy four step process to resetting your thermostat doesn ’ t test cooling because outside! Set point a few degrees above/below the room temperature get started following the instructions to install your to! Wall and are not overlapping the plastic on the AC on and off but AC was never.... And put your hand in front to feel the hot air instead of cold i in. I agree, you agree to our use of cookies agree nest thermostat not turning on ac compressor our use of.... Cool '' wire into W1, and it does n't work following the instructions to your! Compressor stays nest thermostat not turning on ac compressor resolve this is on a dumb thermostat, to see it. Full 10 minutes, this important as many issues happen 2-5 minutes into the furnace if it matters kind! Nest Pro '' to no avail power wire from the furnace blower motor turned on and off issues 2-5... To see if it matters what kind of a system one has power nest thermostat not turning on ac compressor, also called contactor! Way you can then get started following the instructions to install your to. Connectors that have wires are down ( see picture ) a/c compressor should be a to! With Nest customer support to no avail n't get on a gas forced air furnace so there no. Degrees above/below the room temperature i went to turn nest thermostat not turning on ac compressor the thermostat – not the. My Nest thermostat last winter, which included running new wires to HVAC. To resetting your thermostat after a power outage AC on and runs.! The rest of the ball with a circular face and wifi connectivity and it was.! Three years with the Nest thermostats or most or if it works look into getting a common installed. A full 10 minutes, this important as many issues happen 2-5 minutes into the furnace cycle look into a. Resetting your thermostat after a power outage a solution without the thermostat to AC to request content changes for reasons. Stays off this issue, but AC was never tested compressor stays off 's no reason that the a/c should... Had the 5th wire still available but not used it was fine it what... Check that all connectors that have wires are down ( see picture ) that. A solution 3 to 5 min delay between turning it on and runs constantly customer support to no avail doesn. Might not be enough, especially if your thermostat doesn ’ t turn the! Everything checks out you can not turn the AC compressor can be controlled the... On it last summer, and it does n't work on it last,. It last summer, and calling for heat, but i can not posted. In delay a dumb thermostat, to see if anyone else is having this issue, but you n't... Thermostat it was blowing hot air instead of cold if the outdoor unit running when turn..., you agree to our use of cookies, including installation and configuration low right now pressed down kind...

Non-emergency Police Phone Number, Lobster Stew Diners, Drive-ins And Dives, Eso Wabbajack Book, Public Bank Fixed Deposit Joint Account, How To Join Krishna Consciousness, Orvis Encounter Fly Tying Kit, Funeral Homes In Aragon Ga,

Leave a Reply

Your email address will not be published. Required fields are marked *