Samsung Refrigerators2018–present

Error Code 13

Humidity sensor is not working

Moderate

Address soon - your appliance may not work properly

Also displayed as: 13

What This Means

Sensor disconnected or loose connector; Sensor defective or shorted; Main PCB connector failure; Wiring harness damage

What actually causes this:

The humidity sensor connection loosened or the sensor failed

First Thing to Check

Check the connector inside the refrigerator near the control area

Parts Involved

Humidity sensorMain PCBWiring harness

How to Fix

  1. 1

    1. Check Main PCB CN30-3 to CN76-1 voltage — normal range: 4.1V to 0.8V

  2. 2

    2. Reconnect sensor connector if loose

  3. 3

    3. Measure sensor resistance and continuity

  4. 4

    4. Replace sensor if defective

This Error Applies To

Samsung RF22NP Series Refrigerators (2018) (2018–present)

Service manual exact match: RF22NPService manual exact match: RF28NH

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