In this guide, we will show you various methods to fix the issue of the Google Nest thermostat not turning on the AC compressor. This offering from the Silicon Valley giant is quite popular, thanks in large part to the plethora of nifty features that it has to offer. These include the likes of automatic turning off the thermostat when you leave your home and turning it back on when you are back and the ability to easily change the temperature in just a few clicks via the Google Home app.
However, in spite of all the goodies attached, it isn’t free from its fair share of issues either. As of now, various users have voiced their concern that the Google Nest thermostat is not able to turn on the AC compressor. Others have said that their Nest Gen 3 turns off and back on randomly within a few seconds. In some instances, the compressor doesn’t even turn in the first place. If you are also getting bugged with any of these issues, then this guide shall help you out. Follow along for the fixes.
Fix Google Nest thermostat not turning on AC compressor
It is recommended that you try out each of the below-mentioned workarounds and then see which one spells out success for you. So with that in mind, let’s get started [Note: The below-listed workarounds are shared by users and hence you should try them at your own risk}.
FIX 1: Verify the Wiring Setup
First and foremost, you should double-check that the wiring setup has been done correctly. To be more specific, make sure that the yellow wire goes to Y1, the green wire to G, the white wire to W1, and the red wire to Rh [see below image]. So make sure to keep your wiring setup in sync with this requirement and then check if it fixes the issue of the Google Nest thermostat not turning on the AC compressor.
FIX 2: Use a C Wire
Some users were able to resolve this issue after using a blue C wire. So do give this tweak a try and check if it works for you or not.
That’s it. These were the two different methods that shall help you fix the issue of the Google Nest thermostat not turning on the AC compressor. As far as the official stance on this matter is concerned, the developers are yet to acknowledge this issue, let alone give out any ETA for the rollout of a fix. As and when any of these two things happen, we will update this guide accordingly. In the meantime, the aforementioned workaround is your best bet.
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