Nest Thermostat Power
One of the nice things about the Nest Thermostat is that it keeps the temperature in the house the same all day long.
Back in late-May, we inadvertently discovered another benefit - it will stop working if the air filter is full.
Not Enough Power
We notice that the Nest console wasn't getting enough power. We knew it couldn't be a battery issue since we connected the device to the existing thermostat - and that had power.
After some investigation, it turns out the problem was the air filter was dirty. As a result, it was slowing the flow of air through the filter.
This caused power to be reduced to the Nest, and it stopped working.
Quickly Got it Working Again
I ran down to Lowes and purchased a replacement filter, installed it. After a few minutes, the Nest was working again.
To prevent this from happening again, I set up a reminder to install a new filter in late August.
So if your Nest Thermostat suddenly stopped working, you may want to check the air filter.
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