Samsung Refrigerators2024–present

Error Code 29C

The Cool Select room defrosting heater isn't working

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 29C

What This Means

Cool Select defrost heater housing separated; Defrost heater connector contact error; Defrost heater wire disconnection; Defrost heater short-circuit; Temperature fuse blown; Main PBA relay failure

What actually causes this:

The Cool Select defrosting heater failed or is disconnected

First Thing to Check

Check if the Cool Select room is frosting up excessively

Parts Involved

Cool Select Defrost HeaterTemperature FuseHeater ConnectorMain PBA

How to Fix

  1. 1

    1. Disconnect CN2 wire from FUSE BLOCK

  2. 2

    2. Measure resistance between CN2 pin 1 and pin 3

  3. 3

    3. Normal resistance: approximately 62 ohms

  4. 4

    4. If 0 ohms: heater is short-circuited

  5. 5

    5. If infinity ohms: heater or fuse is open-circuited

  6. 6

    6. Check temperature fuse condition

  7. 7

    7. If resistance normal, check Main PBA relay

This Error Applies To

Samsung RF2 Series Refrigerators (2024) (2024–present)

Service manual exact match: RF29DService manual exact match: RF23DService manual exact match: RF29DB9900Service manual exact match: RF23DB9900Service manual exact match: RF29DB9750Service manual exact match: RF23DB9750Service manual exact match: RF29DB9700Service manual exact match: RF23DB9700+2 more

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