How To Reset Furnace Thermostat. Now, use a pointed object or wire and put it in the hole in the right side of the buttons. Then, if you see that the button is up, push it to reset your furnace.
Then, press the reset button, which should trigger the furnace to start. Put the batteries back in, switch the mode to either the “heat” or. Raise your thermostat to the desired temperature.
First and foremost, check to be sure it is set to “heat”.
Some thermostats have a reset button that must be accessed through a menu. Causes for a reset in an oil furnace. First, you need to locate your circuit breaker and switch off the power supply to the furnace. Check both connections to make sure they are tight and once you unplug the cable, you will have to.