Samsung Refrigerators2023–present

Error Code 6C

Ambient air temperature sensor reading invalid

Moderate

Address soon - your appliance may not work properly

Also displayed as: 6C

What This Means

Sensor housing separated; Incomplete connector contact; Open-circuited wire; Short-circuit

What actually causes this:

The external sensor in the top table assembly has lost its connector or the thermistor has failed.

First Thing to Check

Open the top table cover (3 screws) and check that the sensor connector is seated.

Parts Involved

External air temperature sensorMain PCB CN90

How to Fix

  1. 1

    Check voltage between Main PCB CN90 pins 3 and 2; should be within 4.1V–0.6V range

  2. 2

    Verify Main PBA connector CN90 is inserted properly

  3. 3

    Check resistance between CN90 #12 to #2 and compare to temperature table

  4. 4

    Replace sensor if out of range

This Error Applies To

Samsung RF29CB9900 Series Refrigerators (2023) (2023–present)

Service manual exact match: RF29C*Service manual exact match: RF23C*Service manual exact match: RF29CB9900QKAAService manual exact match: RF23CB9900QKAAService manual exact match: RF23CB99008MACService manual exact match: RF**CB9900*

Need more help with your Samsung refrigerators?