Error Code 6
External ambient temperature sensor is open, shorted, or disconnected
Moderate
Address soon - your appliance may not work properly
Also displayed as: F and R LEDs blink (item 6)
What This Means
Disconnected ambient sensor connector; Failed ambient thermistor; Wiring damage
What actually causes this:
The sensor that reads room temperature has failed, which affects how the refrigerator adjusts fan and compressor speeds
First Thing to Check
Locate the ambient sensor (typically in the machine compartment area) and check its connector
Parts Involved
How to Fix
- 1
Check voltage at CN51 pin 4 (WHT) to pin 6 (WHT); should be 4.5V to 1.0V
- 2
Measure thermistor resistance and compare to DATA1 temperature table
- 3
Check wiring for damage
This Error Applies To
Samsung RF18A5101 Series Refrigerators (2021) (2021–present)
Related Error Codes
Fridge compartment defrost sensor is faulty or disconnected
Fridge temperature sensor is open, shorted, or disconnected
Ice maker temperature sensor in freezer is faulty or disconnected
Freezer defrost heater or its protection device has failed
Freezer defrost sensor is faulty or its protective bimetal/fuse has opened
Humidity sensor is faulty or disconnected
Fridge compartment defrost heater or protection device has failed
Freezer temperature sensor is open, shorted, or disconnected