How do I fix error code 6C on a Samsung refrigerators?

1. undefined: Check that Main PCB connector CN40 is fully inserted 2. undefined: Measure voltage between CN40 18PIN and 20PIN — should be 4.5V to 1.0V 3. undefined: If voltage is out of range, replace the external temperature sensor

Samsung Refrigerators2022–present

Error Code 6C

External ambient temperature sensor is faulty or disconnected

Moderate

Address soon - your appliance may not work properly

Also displayed as: 6C

What This Means

Sensor housing connector CN40 disconnected or loose; External temperature sensor faulty; Wiring open or short circuit

What actually causes this:

The small sensor that monitors room temperature has a loose connector or has failed.

First Thing to Check

Locate the CN40 connector on the Main PCB and make sure it is firmly seated.

Parts Involved

External (ambient) temperature sensorMain PCBCN40 connector

How to Fix

1
Check that Main PCB connector CN40 is fully inserted
2
Measure voltage between CN40 18PIN and 20PIN — should be 4.5V to 1.0V
3
If voltage is out of range, replace the external temperature sensor

This Error Applies To

Samsung RF59A7670 Series Refrigerators (2022) (2022–present)

Service manual exact match: RF59A7010**/**Service manual exact match: RF59A70T3**/**Service manual exact match: RF59A70T0**/**Service manual exact match: RF59A7F10**/**Service manual exact match: RF59A7670**/**Service manual exact match: RF59A70T1**/**Service manual exact match: RF23B7671**/**Service manual exact match: RF59A7011**/**+1 more