Samsung Refrigerators2017–present

Error Code Humidity

Indoor humidity monitoring sensor is not responding

Moderate

Address soon - your appliance may not work properly

Also displayed as: Humidity

What This Means

Bad connector contact at CN34; Humidity sensor unit malfunction; Voltage reading outside 1.0V-3.5V range; Iced-solder or solder bridging; Defective MICOM input at pin #8

What actually causes this:

Moisture damage to sensor or connector corrosion inside refrigerator

First Thing to Check

Check humidity sensor area for visible water or corrosion

Parts Involved

Humidity SensorMICOM IC01Connector CN34

How to Fix

  1. 1

    1. Check MAIN PCB Connector CN34 insertion

  2. 2

    2. Measure voltage between CN34-4 and CN34-6 (should be 1.0V-3.5V)

  3. 3

    3. Verify input voltage at IC01 MICOM pin #8

  4. 4

    4. Inspect for iced-solder or solder bridging

  5. 5

    5. Check for resistance opened (approximately 50 ohms)

  6. 6

    6. Check resistance value R349 on MICOM pin #8

This Error Applies To

Samsung DRF36C100SR Series Refrigerators (2017) (2017–present)

Service manual exact match: DRF36C100SR

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