What 1E Means
This code is not covered on Samsung’s own US refrigerator troubleshooting article, but independent repair sources agree on what it reports: the freezer temperature sensor has stopped sending a reliable reading to the control board, so the control can no longer tell how cold the freezer actually is or regulate it correctly.
Common Causes of 1E
- Freezer temperature sensor reading open or shorted
- Connector to the sensor loose or corroded
- Sensor itself failed
🔧 One Safe Check You Can Try
Start with the freezer door: confirm it is closing fully and that nothing inside, such as a tall container, is holding it open, since a warm compartment from a bad seal can look like a sensor problem before it turns into one. The sensor itself is wired into the control board behind an interior panel, and reaching it means opening that panel around live control wiring, so beyond the door check this one is a technician’s job.
⚠ Why You Shouldn't Go Further Than That
- A sensor that is only misreading, rather than a stopped fan or compressor, can leave the freezer feeling cold for a while, so a thermometer check tells you more than the display does.
- The sensor wiring runs behind an interior panel into the control board; opening that panel to test or swap a part is a technician’s job.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.

