Outdoor unit is producing abnormal sounds April 02, 2026 00:47 Updated Are there loud grinding or metallic sounds coming from the outdoor unit? If yes, power off the unit and contact Quilt. Related articles Why is there only one installer option for me? What happens if my Wi-Fi goes out completely, not just my internet? Why doesn’t Quilt support more than 3 indoor units per outdoor unit? How do I determine how many units I need for my home? Why did my Quilt system turn on when it was set to Off?