Arrived on site to diagnose a noise complain on a 2 year old Samsung unit. Spoke to tenant and owner and they stated out door unit would make a beeping noise. Upon arrival spoke with tenant and had her show me the unit. Found it to be a mini split. They stated since that night and day. Unit hasn’t made the noise since and they just wanted to ensure there is no issues happening. Cycled unit and unit turned on and was operational. Unit was blowing good airflow and heating home up. Inspected out door unit and unit is running as it should. Unit is heating and in range of Temperature. Advised and had supervisor look over video tenant took. And he stated unit is working as it Should that noise they are hearing is how the unit operates. Unit is operating as it should. Advised tenant and she is aware. She stated she wasn’t getting good airflow in her sons bed room. inspected all vents and found no issues with airflow. Called her back into sons bed rooms and had her check the vents and she