Samsung Refrigerators

Error Code 1°C LED LAMP

Freezer cooling fan is not working or is stuck

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 1°C indicator LED lamp

What This Means

Fan motor signal line fault; Fan motor circuit broken; Fan motor stuck or jammed; Fan motor feedback signal lost; Loose connector on fan motor

What actually causes this:

Stuck or broken fan motor prevents proper air circulation in freezer

First Thing to Check

Listen for fan noise and feel for air movement from freezer vents

Parts Involved

Freezer fan motorCN76 connector pins 9 and 10Fan motor wiringFan blade assembly

How to Fix

  1. 1

    1. Check voltage between MAIN PCB CN76-9(PNK) and 10(GRY)

  2. 2

    2. Voltage should be within 7V~12V when fan is operating

  3. 3

    3. Verify fan motor physically spins freely

  4. 4

    4. Inspect connector for loose pins or corrosion

  5. 5

    5. Test for motor feedback signal at PCB connector

This Error Applies To

Samsung RB12A3006 Series Refrigerators

Service manual exact match: RB12A300631/AAService manual exact match: RB12A300635/AAService manual exact match: RB12A300641/AA

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