Samsung Refrigerator 1E error code

The refrigerator cannot read the freezer temperature because the freezer sensor has failed or lost its connection. Without that reading, the control board cannot regulate freezer cooling properly.

Also shown as: 1E, 1C

Last updated: October 6, 2026

Quick answer: Samsung refrigerator error code 1E: freezer temperature sensor failure. The most common cause is failed freezer temperature sensor (thermistor). Try this first — power-cycle the refrigerator. If that does not clear it, check for heavy frost around the freezer sensor area.

What causes the 1E error?

  • Failed freezer temperature sensor (thermistor)
  • Loose or damaged wiring between the sensor and the main control board
  • Sensor separated from its housing or mounting clip
  • Short circuit in the sensor circuit
  • Corrosion or moisture on the sensor connector
  • Main control board misreading the sensor signal

How to fix Samsung 1E — step by step

Work through these in order, from simplest and safest first. Stop as soon as the code clears.

  1. Power-cycle the refrigerator
    Unplug the fridge or flip its circuit breaker off for 2 to 5 minutes, then restore power. This clears temporary glitches and forces the control board to re-read the sensor. If 1E comes straight back, the sensor or its wiring is the real problem.
    Safety warning: Unplug the fridge before touching any wiring or panels.
  2. Check for heavy frost around the freezer sensor area
    Thick ice buildup around the evaporator cover can damage the sensor or its wiring. If you see heavy frost, unplug the fridge, leave the freezer door open for a few hours with towels on the floor, then plug it back in and restart.
  3. Keep the freezer vents clear
    Food packed tightly against the back-wall vents traps cold air around the sensor and causes false readings. Leave a few inches of space around the vents so air can move freely.
  4. Make sure the doors close and seal fully
    A door left ajar lets warm, moist air in, which ices up the sensor area. Press around the door gaskets to confirm they seal all the way and that nothing is blocking the door from closing.

When to call a technician

Stop and call a qualified technician if any of these apply:
  • The code returns right after a power-cycle reset
  • You find damaged, chewed, or corroded sensor wiring
  • The sensor needs testing with a meter or replacement
  • The main control board may be misreading the sensor

Frequently asked questions

Will my food stay cold with a 1E error?

Often yes, for a while - the fridge usually keeps running on its last settings. But without a working freezer sensor it cannot regulate temperature properly, so move perishables to a cooler if the code persists.

Can I replace the freezer sensor myself?

It sits behind the freezer's evaporator cover, which means removing panels and handling wiring. A technician can do this quickly; if you are not comfortable with panel removal, call one.

Is 1E the same as 4E?

No. 1E is the freezer temperature sensor. 4E is the freezer defrost sensor on the evaporator coils. They are different parts in different spots.

Sources

Every meaning and fix above was checked against official manufacturer documentation:

FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.

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