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Samsung Refrigerators

Error Code 3

Exterior room temperature sensor circuit failure

Moderate

Address soon - your appliance may not work properly

Also displayed as: 6 (RR39/RR14/RZ32/RZ11/RQ32)

What This Means

Slipped out sensor housing; Wire cut or short; Sensor pickup temperature out of range; Poor connector contact

What actually causes this:

The room temperature sensor that helps adjust cooling based on ambient conditions failed or disconnected

First Thing to Check

Check that the exterior sensor wire is connected to the control board near the back of the refrigerator

Parts Involved

Exterior Temperature SensorMain PCB CN31 connector

How to Fix

  1. 1

    Check voltage between MAIN PCB CN31 #3 AND #4 (should be 4.5V~1.0V)

  2. 2

    Verify exterior sensor housing is secure

  3. 3

    Inspect wiring for visible damage

This Error Applies To

Samsung RR39T74 Series Refrigerators

Service manual exact match: RR39T74Service manual exact match: RR14T74Service manual exact match: RZ32A74Service manual exact match: RQ32T76Service manual exact match: RR39A76Service manual exact match: RZ32T77Service manual exact match: RZ11T74Service manual exact match: RR39T76+2 more

Related Error Codes

1

Room temperature sensor circuit failure detected

7

Freezer defrost heater approaching shutdown failure within 5 minutes

11

Compressor motor drawing excessive current indicating short or mechanical jam

15

Inverter power module temperature exceeded safe limit and shut down

2

Defrost cycle temperature sensor circuit failure

6

Freezer defrost heater circuit malfunction or stuck heater

10

Compressor power control IC fault or compressor winding fault detected

14

AC mains voltage is too high, exceeding safe operating range

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