Google Nest Community

After installing this new Nest learning thermostat, my furnace started to behave weirdly: when the temperature falls, the furnace turns on and the blower turns on, but then both the furnace and blower would suddenly turn off at the same time after be...

When the temperature falls down, the heater turns on. However, the heater turns off after a minute or so, and then almost immediately turns on again. The heater does it 2-3 times before it stays on to reach the desired temperature. What could be the ...