Thank you for your question. I know it can be frustrating when the refrigerator stops cooling. Since the model number is not listed, I will only be able to provide some general information. If the door gasket is tearing, it can allow warm air to enter the cabinet and will cause frost to form on the items inside. If enough warm air enters, it can also cause it to stop freezing. The door gasket will need to be replaced. Also check to see if the fan motor inside the freezer is running. It's possible that the frost may have also blocked the fan blade from turning. If this has happened, remove the frost around the fan blade if possible, to allow it to spin again. Be sure to disconnect the power first. This would allow the unit to start cooling again. You can also turn the unit off for 24 hours to allow it time to defrost. I hope this will help you. If you would like more assistance, reply to this thread and please include the complete model and serial number and I will be glad to assist you further.