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Samsung Refrigerators2014–present

Error Code 4E

Freezer defrost temperature sensor malfunction

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 4 E

What This Means

Connector Slipped-Out or Open-Contact; Wire Cut or Short-Circuited; Abnormal Sensing Temperature (above +50°C or below -50°C)

What actually causes this:

The freezer defrost sensor failed, so the system can't tell when to start or stop the defrost cycle.

First Thing to Check

Locate the defrost sensor near the freezer evaporator and check for loose connections.

Parts Involved

Thermistor (Freezer Evaporator) DA32-00029QMAIN PCB CN30

How to Fix

  1. 1

    Measure voltage between MAIN PCB CN30 #4 and #7

  2. 2

    Voltage should be within range 4.5V to 1.0V

  3. 3

    During defrost, sensor should read lower than -5°C

This Error Applies To

Samsung RS25H51 Series Refrigerators (2014) (2014–present)

Service manual exact match: RS25H5121BC/AAService manual exact match: RS25H5111WW/AAService manual exact match: RS25H5111SR/AAService manual exact match: RS25H5121SRService manual exact match: RS25H5111BCService manual exact match: RS25H5121WWService manual exact match: RS25H5113SLService manual exact match: RS25H5111SR+2 more

Related Error Codes

26E

Ice maker position sensor out of sync

8E

Ice maker temperature sensor malfunction

25E

Refrigerator defrost heating system malfunction

72E

Refrigerator compartment warming up abnormally

6E

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81E

Compressor motor won't start

5E

Refrigerator defrost temperature sensor malfunction

21E

Freezer compartment fan motor not responding

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