Samsung Refrigerators2021–present

Error Code 29C

The Flex Room defrost heater failed to complete defrosting

Moderate

Address soon - your appliance may not work properly

Also displayed as: 29C

What This Means

Flex Room defrost heater housing connector separation; Contact error; Open-circuited heater wire; Short circuit; Blown thermal fuse

What actually causes this:

Blown thermal fuse in the CV compartment defrost circuit, typically caused by a stuck bimetal that kept the heater running too long

First Thing to Check

Check the CV defrost heater resistance between CN2 pins 3 and 7 after disconnecting from fuse block

Parts Involved

Flex Room defrost heaterThermal fuse (109°C OFF)Bimetal thermostatMain PCB

How to Fix

  1. 1

    Disconnect CN2 wire from fuse block

  2. 2

    Check resistance between CN2 pins 3 and 7

  3. 3

    If 0 ohms: heater is short-circuited

  4. 4

    If infinite: check wire or thermal fuse for open circuit

This Error Applies To

Samsung RF29A9071 Series Refrigerators (2021) (2021–present)

Service manual exact match: RF23A9071*Service manual exact match: RF23A9675MT*Service manual exact match: RF71A9671*Service manual exact match: RF71A9771*Service manual exact match: RF85A92FA*Service manual exact match: RF29A9071*Service manual exact match: RF29A9770*Service manual exact match: RF23A9675*+2 more

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