Samsung Refrigerators2010–present

Error Code

The refrigerator ice room heater isn't warming up

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: LED blinks in self-diagnostic checklist position 35

What This Means

Ice room heater shorted (0Ω reading); Ice room heater wire open circuit (∞Ω reading); Bimetal protector defective; Harness damaged

What actually causes this:

The heater element failed or its wire came loose

First Thing to Check

Check if ice production has stopped or ice melts excessively in refrigerator storage

Parts Involved

Refrigerator Ice Room HeaterBimetal ProtectorWire Harness CN20

How to Fix

  1. 1

    1. Unplug refrigerator and wait 5 minutes

  2. 2

    2. Disconnect MAIN PCB CN20 wire from PCB

  3. 3

    3. Measure resistance between CN20 pins 19 and 23 (power OFF)

  4. 4

    4. Should read 135Ω ± 7%

  5. 5

    5. If abnormal, replace ice room heater

This Error Applies To

Samsung RF23R6 Series Refrigerators (2010) (2010–present)

Service manual exact match: RF23R6201AAService manual exact match: RF23R6201EDService manual exact match: RF23R6201AZService manual exact match: RF23R6301AAService manual exact match: RF23R6201BZ

Need more help with your Samsung refrigerators?