Samsung Refrigerators2018–present

Error Code 2C

Fridge temperature sensor is not working

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 2C

What This Means

Sensor housing separation; Incomplete contact at sensor; Open-circuited wire; Short-circuit in sensor circuit; Temperature exceeding +50°C or below -50°C

What actually causes this:

Loose connector or faulty temperature sensor

First Thing to Check

Verify fridge sensor connector is fully seated

Parts Involved

Fridge Temperature Sensor (Thermistor R-Sensor)

How to Fix

  1. 1

    Verify Main PCB CN30 is inserted properly

  2. 2

    Check wiring order matches circuit diagram

  3. 3

    Measure voltage at CN30 #5 and #7 pins

  4. 4

    Verify voltage is within normal temperature range

This Error Applies To

Samsung RF28K9070A Series Refrigerators (2018) (2018–present)

Service manual exact match: RF28K9070AAService manual exact match: RF22K938AA

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