What's Happening

The freezer defrost sensor that monitors the evaporator coil temperature has failed. When this sensor stops working, the defrost cycle can't activate properly, causing ice to build up on the coils and the freezer to warm up. On some models this displays as SE.

How to Fix It

Unplug the refrigerator for 5 minutes to reset. If the code returns, the defrost sensor or its wiring needs replacement. This sensor is located near the evaporator coils behind the rear panel inside the freezer compartment.

Frequently Asked Questions
What does 1E mean on a Samsung refrigerator?
1E indicates the freezer defrost sensor has failed. This sensor monitors evaporator coil temperature and controls when the fridge defrosts itself.
How do I fix the 1E error on my Samsung fridge?
Try a power cycle first — unplug for 5 minutes. If 1E returns, the defrost sensor behind the freezer's rear panel needs replacement, which typically requires a technician.
Will my Samsung fridge still cool with a 1E error?
Temporarily yes, but ice will gradually build up on the evaporator coils, reducing cooling over time. Get the sensor replaced before performance degrades significantly.
Samsung Refrigerator Error Code 1E — Cause, Fix & Parts | DecodeAppliance | FixCode