Samsung Refrigerators2024–present

Error Code 13C

The humidity sensor isn't working properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: 13C

What This Means

Sensor housing separated or not properly seated; Incomplete contact at humidity sensor connector; Open-circuited wire in humidity sensor circuit; Short-circuit in sensor wiring; Defective humidity sensor

What actually causes this:

The humidity sensor disconnected or failed

First Thing to Check

Check if ice buildup in the fridge compartment seems excessive compared to normal

Parts Involved

Humidity SensorSensor ConnectorWire HarnessMain PBA

How to Fix

  1. 1

    1. Check input voltage to humidity sensor — measure DC 5V at connector pins #1-#2

  2. 2

    2. Check sensor output voltage — measure at connector pins #4-#2 and compare to humidity voltage table

  3. 3

    3. Voltage should be within 1V to 4V range for normal humidity levels

  4. 4

    4. Verify Main PBA connector CN90 is fully inserted

  5. 5

    5. Check wire and housing connections for damage

  6. 6

    6. If voltage is abnormal, replace humidity sensor

This Error Applies To

Samsung RF2 Series Refrigerators (2024) (2024–present)

Service manual exact match: RF29DService manual exact match: RF23DService manual exact match: RF29DB9900Service manual exact match: RF23DB9900Service manual exact match: RF29DB9750Service manual exact match: RF23DB9750Service manual exact match: RF29DB9700Service manual exact match: RF23DB9700+2 more

Need more help with your Samsung refrigerators?