Samsung Refrigerators2018–present

Error Code 6C

External air sensor not responding correctly

Moderate

Address soon - your appliance may not work properly

Also displayed as: 6C

What This Means

Sensor housing separation; Incomplete contact; Open-circuited wire; Short-circuit; Abnormal temperature measurement

What actually causes this:

Sensor contact problem or sensor failure

First Thing to Check

Check if external air sensor connector is connected

Parts Involved

External Air Temperature Sensor

How to Fix

  1. 1

    Check Main PCB CN30 pins 1 and 2

  2. 2

    Verify voltage is within 4.5V~1.0V range

  3. 3

    Measure sensor output voltage

  4. 4

    Compare reading to temperature table

This Error Applies To

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

Service manual exact match: RF28K9070AAService manual exact match: RF22K938AA

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