Is the switch on the thermostat in the “heat” position? Is the temperature set at least 3 degrees above the current room temperature?
• Check for Electrical Problems Furnace – Find the emergency shut-off switch for the furnace. Be sure this switch is in the “on” position. Electrical Panel – Here you will make sure that the circuit breakers for the furnace & air conditioning unit are not tripped. If they are resetting them by switching to off, then to on. If the breaker keeps tripping you need to call A Action to determine the cause of the problem. • Check Air Flow Make sure the filter is clean Make sure the return air grille is not blocked or clogged with dust.