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Samsung Refrigerators2010–present

Error Code IR

Ice storage room temperature sensor is not working

Moderate

Address soon - your appliance may not work properly

Also displayed as: IR LED blinks

What This Means

Sensor wire disconnected from CN90; Thermistor resistance out of range; Bad sensor connection

What actually causes this:

Loose wire or failed sensor in ice storage area

First Thing to Check

Check CN90 connector for loose or bent pins

Parts Involved

Ice Room Sensor Thermistor

How to Fix

  1. 1

    1. Measure voltage at MAIN PCB CN90-2 to CN90-4

  2. 2

    2. Voltage should be between 4.5V and 1.0V

  3. 3

    3. Check connector seating at ice room sensor

  4. 4

    4. Verify thermistor readings

This Error Applies To

Samsung RF22R7351 Series Refrigerators (2010) (2010–present)

Service manual exact match: RF22R7351AAService manual exact match: RF22R7351AZService manual exact match: RF22R7351EFService manual exact match: RF22R7351EU

Related Error Codes

FZHT

Flex Zone compartment is too warm right now

IDH

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F

Freezer temperature sensor is broken or disconnected

EA

Outside temperature sensor is not working

FLXD

Flex Zone damper heater circuit is broken

CI

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R

Refrigerator temperature sensor is broken or disconnected

FZ

Flex-Zone temperature sensor is broken or disconnected

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