Samsung Refrigerators2018–present

Error Code 15

Ice storage area temperature sensor malfunction

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 15C

What This Means

Connector not seated at Main PCB CN30 pins 10 and 11; Wire harness damaged or cut; Ice room thermistor defective; Main PCB defective

What actually causes this:

Ice room sensor connector came loose or sensor failed

First Thing to Check

Check if ice is accumulating properly in the ice bucket

Parts Involved

Ice Room ThermistorMain PCB CN30 Connector

How to Fix

  1. 1

    1. Inspect CN30 connector pins 10 and 11

  2. 2

    2. Measure voltage between pins — normal 4.5V to 1.0V

  3. 3

    3. Reseat connector firmly

  4. 4

    4. Power on and monitor error status

  5. 5

    5. If voltage abnormal after reseating, replace ice room sensor

This Error Applies To

Samsung RF22N9781 Series Refrigerators (2018) (2018–present)

Service manual exact match: RF22N9781Service manual exact match: RF28N9780

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