Samsung Refrigerators2023–present

Error Code SC

Door showcase heater has an open or short circuit fault

Moderate

Address soon - your appliance may not work properly

Also displayed as: SC

What This Means

Showcase heater housing connector separated; Wire disconnection; Short circuit in heater

What actually causes this:

The anti-sweat heater element has burned out or the connector has loosened.

First Thing to Check

Disconnect the heater connector and measure resistance — should read approximately 14 ohms.

Parts Involved

Showcase heaterMain PCB CN90

How to Fix

  1. 1

    Check resistance between Main PCB CN90 pins 1 and 5; expected value approximately 14Ω

  2. 2

    If open circuit: heater wire or element failed

  3. 3

    If short circuit: heater element shorted

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*

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