Samsung Refrigerators2018–present

Error Code 9C

Cool Select Room sensor error detected

Moderate

Address soon - your appliance may not work properly

Also displayed as: 9C

What This Means

Sensor housing separation; Incomplete contact; Open-circuited wire; Short-circuit; Temperature out of range

What actually causes this:

Loose sensor wire or sensor malfunction

First Thing to Check

Check Cool Select Room sensor connection

Parts Involved

Cool Select Room Sensor (Thermistor R-Sensor)

How to Fix

  1. 1

    Check Main PCB CN30 pins 11 and 12

  2. 2

    Verify voltage is within 4.1V~0.8V range

  3. 3

    Measure sensor output

  4. 4

    Compare 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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