Prax
Sign InGet Started
Samsung Refrigerators2010–present

Error Code EXT-SENSOR

Outdoor temperature sensor not working

Moderate

Address soon - your appliance may not work properly

Also displayed as: LED blinks

What This Means

External sensor wiring broken; Sensor thermistor failure; Connector CN60 pin 3-5 open or shorted

What actually causes this:

Sensor wiring damaged by weather or connector issue

First Thing to Check

Check external sensor wiring harness for damage or moisture

Parts Involved

External Air Temperature Sensor

How to Fix

  1. 1

    1. Check voltage at MAIN PCB CN60-3 to CN60-5

  2. 2

    2. Expected voltage range: 4.5V to 1.0V

  3. 3

    3. Verify sensor located on exterior unit wall

This Error Applies To

Samsung RF24R7201 Series Refrigerators (2010) (2010–present)

Service manual exact match: RF24R7201AAService manual exact match: RF24R7201EGService manual exact match: RF24R7201SAService manual exact match: RF24R7201EOService manual exact match: RF24R7201APService manual exact match: RF24R7201EUService manual exact match: RF24R7201EFService manual exact match: RF24R7201FA

Related Error Codes

F

Freezer temperature sensor not working

ICE-ROOM

Ice storage compartment temperature sensor not working

FZ-DEFROST

Freezer defrost heater not heating

ICE-ROOM-FAN

Ice room fan not running

COMM-DISPENSER

Water/ice dispenser panel not communicating

R

Fridge temperature sensor not working

FZ-ROOM

Flex Zone drawer temperature sensor not working

FZ-FAN

Freezer cooling fan not running

Need more help with your Samsung refrigerators?