Chest Freezer - Ice Buildup Inside Freezer Compartment Last updated Save as PDF Possible Cause What to Do Freezer lid not closing tightly Rearrange items in freezer so lid can close tightly. Check and clean the gasket seal. Defrost freezer if ice build up is more than 6mm deep. Still Need Help? You may need assistance from one of our qualified service technicians. Click on the button below to schedule a visit. BOOK A SERVICE or Contact Us