If you have a frost-free freezer, like most modern freezers, you may never see a layer of ice inside. However, the day may come where you open it up and find a huge layer of frost or frost build up that is slowly taking it over. When this happens suddenly in your frost-free freezer, you have a problem that needs to be fixed. It isn’t something that is going to go away on its own
- The Defrost Thermostat
- The Door Gasket
- The Defrost Timer
If
Similarly, the defrost timer, rather than the thermometer, may be causing the issue. This is in charge of when the defrost runs and how long it runs for. As you can turn the timer off so you can use the defrost manually, if you do so and the freezer defrosts, it is the timer that is the faulty part
Finally, if you only notice frost near the edges of your freezer, it may be a problem with your door seal. If it is not sealing properly and the warm air is leaking in, it can cause frost. Replacing the seal is a quick fix to this problem