Disclaimer: The Technical Reference Materials (hereinafter “Materials”) at this site are intended for viewing and use by qualified appliance service technicians. If you do not possess sufficient mechanical and electrical skills and the ability to comprehend, understand and follow all safety warnings and cautions on the product in these Materials, do not attempt to undertake the repairs that are depicted in these Materials. MD Appliance LLC disclaims any and all liability, to the fullest extent permitted by law, arising out of your use of the site and Materials.
Problem: when closing the freezer door unit is making gurgling or hissing sound, and the door locks itself for a short time. Possible Cause: frost buildup inside the door vent membrane, air vent blocked with food Solution: clean and replaced the door vent membrane and clear the space in front of the air vent.