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Samsung Refrigerators

Error Code 4

Cooling fan motor is not operating properly

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 21-22

What This Means

Fan motor mechanical restriction; Feedback signal line contact error or separation; Motor wire disconnected or broken; Fan motor internal failure; Bearing degradation

What actually causes this:

Fan blade stuck or motor connector loose from vibration

First Thing to Check

Spin fan blade by hand to ensure it rotates smoothly

Parts Involved

Cooling Fan MotorMotor ConnectorConnector CN31 pins 10-11

How to Fix

  1. 1

    Check voltage between MAIN PCB CN31 #10 and #11 should be 7V to 12V during operation

  2. 2

    Verify fan motor rotates freely without restriction

  3. 3

    Check motor feedback pulse signal input

  4. 4

    Measure continuity between motor connector pins

  5. 5

    Run forced operation to test motor

This Error Applies To

Samsung RR39M73 Series Refrigerators

Service manual exact match: RR39M71Service manual exact match: RZ32M7Service manual exact match: RR39M70Service manual exact match: RZ32RService manual exact match: RR39M72Service manual exact match: RZ32T7Service manual exact match: RR39M73Service manual exact match: RR39T7+1 more

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