I have started running my furnace for the season. As the furnace is
running I hear the following noises coming from the condenser, usually
The unit is running and I will hear a buzzing noise coming from the
condenser unit. The fan on the condenser is still running while I am
getting the buzzing. Sometimes the buzzing seems to pulsate. After a
few minutes of buzzing the unit will shut off and the buzz will give
way to a brief "swoosh" type of sound.