Samsung Refrigerators2018–present

Error Code 5E

Fridge defrost sensor disconnected or failed

Moderate

Address soon - your appliance may not work properly

Also displayed as: 5E

What This Means

Connector separated; Wire open or shorted; Failed thermistor

What actually causes this:

Connector pulled loose from the fridge evaporator area thermistor.

First Thing to Check

Reseat the defrost sensor connector at the fridge evaporator.

Parts Involved

Fridge defrost thermistor (DTN-C502)Main PCB CN30 pins 4 & 8

How to Fix

  1. 1

    Measure voltage at Main PCB CN30 pins 4 and 8 — should be 1.0V to 4.5V

  2. 2

    Check sensor check point #4 on Main PCB

This Error Applies To

Samsung RF34H9950S Series Refrigerators (2018) (2018–present)

Service manual exact match: RF34H9960S4/AAService manual exact match: RF34H9950SR/AAService manual exact match: RF32FMQDBSR/AAService manual exact match: RF24J9960S4/AAService manual exact match: RF34H9950S4/AA

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