Need to determine if its the ac unit or the nest. The led lights on the top of the mini should turn orange when this happens.
Google T3007es Nest Learning Thermostat 3rd Gen Smart
Nest keeps turning on and off. Unless the air handler is turning itself off to protect itself i think my nest is defective. Now press the very top of the nest. Turn the ring and select reset. Last night i successfully got the fan to stay on for several minutes by having nest tell it to stay on. This will help prevent damage to your system and help keep you safe. Can you please turn off the wifi capability of the nest thermostat and see if we can get a a stable battery level.
To turn all motion sensing features off on the nest just turn off auto away and homeaway assist in the settings. If you have your old thermostat hook it back up and try that. Nest keeps turning off and i have to pull it off the base and recconect. On the ecobee3 turn off smart homeaway in the settings. Press the thermostat ring to bring up the quick view menu. Check that all connectors.
To reset first find the mic button on the side of your nest mini and turn it off. When the nest is cooling the fan or whatever moves air through my vents will turn off every 2 3 minutes before reaching the set temperature but the ac unit itself sounds as if it is still. Pull off the nest thermostat display. You can disable power connect yr and g if you have it to each other and then energize it. Whatever you decide to do you at least now know what the likely cause is whenever your thermostat decides to take a long break even when youre home. However after several minutes it started cycling again at around 2 3 second intervals.
Turn off power to your system at the fuse box or system switch. Dont have old and if youre feeling diy enough.