Samsung Refrigerators2021–present

Error Code 6C

Outside ambient temperature sensor has failed or lost connection

Moderate

Address soon - your appliance may not work properly

Also displayed as: 6C

What This Means

Sensor housing separation; Incomplete contact at connector; Open-circuited wire; Short-circuit

What actually causes this:

Connector CN90 loosened — this area is disturbed when removing the rear access panel during compressor or PCB service

First Thing to Check

Reconnect CN90 connector on the Main PCB and check that no wires are pulled loose

Parts Involved

External air temperature sensorMain PCBCN90 connector

How to Fix

  1. 1

    Check voltage between Main PCB CN90 pins 3 and 2 — should be within 4.1V to 0.6V range

  2. 2

    Verify CN90 connectors are properly inserted

  3. 3

    Check resistance between CN90 #2 and #12 against temperature table

This Error Applies To

Samsung RF29A9071 Series Refrigerators (2021) (2021–present)

Service manual exact match: RF23A9071*Service manual exact match: RF23A9675MT*Service manual exact match: RF71A9671*Service manual exact match: RF71A9771*Service manual exact match: RF85A92FA*Service manual exact match: RF29A9071*Service manual exact match: RF29A9770*Service manual exact match: RF23A9675*+2 more

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