Nest Thermostats are designed with self-learning AI firmware that lets the thermostat change its heating or cooling behavior based on the temperature of the rooms it’s connected to rather than waiting for you to become so uncomfortable that you change the temperature of your own accord. For many people, the increased energy efficiency results in the device paying for itself via utility bill savings.
Nest is much easier to use than old-school thermostats, but no device is perfect. In this Nest thermostat troubleshooting guide, we’ll address the most common problems with Nest thermostats, including battery, Wi-Fi, and sensor issues. The Google Nest Thermostat is better than aging programmable thermostats that have a combination of wiring and AA batteries for power. It has a rechargeable lithium-ion battery and wiring to connect to Wi-Fi, power its digital display and run your heating and cooling system.
Common Nest Thermostat Issues
If it can’t draw enough power, Nest says you could encounter some of these problems:
- Poor battery life.
- Thermostat motion sensing won’t operate.
- Your thermostat sometimes disconnects from Wi-Fi.
- Your system suddenly turns on or off, or won’t stop running.
- Your system is producing odd noises, including chattering, stuttering, clicking or thumping.
- Heating or cooling is short cycling, or constantly turning on and off in a short period of time.
- There is a delay notice on your Nest thermostat’s screen, such as heating is delayed for 2:30 minutes.
- The system fan is constantly running, won’t run or turns off and on rapidly in a short period of time.
Nest Thermostat Blowing Hot on Cool Temperature Settings
Many users experience hot air blowing from their thermostats while their device is set to cool. Well, this problem involves mainly the heat pump system, and it refers to the heat pump might be faulty. It is also possible that the thermostat wires are not fully inserted, which can result in the wrong heat or cooling behavior.
Solution
The quickest solution is to check that all the wires are fully inserted.
Then start a diagnostic test by setting the thermostat to cool mode. Decrease the target temperature until you see a blue light on the display screen. Hold down for a few seconds and check the vents to ensure they are emitting cold air.
Another solution is, to open the Home app on the mobile and select thermostat. Go to setting and find the heat pump. Change the setting of O/B. for example, if the pre-setting is O, change it to B. if it’s O, then turn it to B.
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Unable To Update Sofware of New Thermostat
Are you getting pop-ups like “No network”, or “Unable to Check” when you try to update the newly bought thermostat smart device? Then there are solutions.
Solution
If you receive a message Unable to Check then wait for a while and try again. It’s because the new device shows some issues in connecting with the Nest Service. If you see No Network then go to settings. Check the connected device, if the thermostat is already added, remove it once and then add it.
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Nest Thermostat Bluetooth Connection Troubleshooting
If you tried to connect it to the Nest thermostat for the first time, it failed, or it was initially connected and then disconnected. Follow the below guide and fix the issue.
Solution
The quick fix is to check your phone’s Bluetooth. Click on the Bluetooth, and turn it on. Turn on the Nest Thermostat. And try to connect them. If it doesn’t work then turn off both devices and then turn them on. Make sure you’re sitting much closer to the device. I suggest you try connecting BT within 12 inches radius. Another solution is, to disconnect all other devices once, then try first to connect the Nest Thermostat.
You can also pull off the device batteries. Wait for 30 seconds, and then pull them inside the thermostat. Let the device be completely on, and then try to connect.
Nest Thermostat Internet/Wifi Troubleshooting
The wifi connection with the Nest thermostat is required to keep it working. But if your device is repeatedly disconnected from the internet then it can be a hectic problem. Let’s take a look at how to fix the offline Nest thermostat issue.
Solutions
Make sure the wifi issue is in your device not on the internet. You can test it by connecting your phone and device with the same wifi if the phone is working but the thermostat is not then it means your device has the problem.Turn off the device and wait for 30 seconds. Turn it on and try to connect it with the wifi. The wifi router needs to place near the thermostat device or increase its distance limit. At the same time, internet speed should be high. If the device is disconnecting from the wifi frequently, check the router setting or wifi interface.
Nest Thermostat Blinking Red
The Nest thermostat blinking red is a sign that the device’s battery is low. Red is only one sign, if the battery is low you may also see a low battery message on the screen, a blank screen, or the home sign on the display.
Solution
Typically the Nest devices are set on auto-charge mode, which means if your battery gets low the thermostat should charge automatically. But for this make sure the HVAC system wiring is connected with the device
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