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Samsung Refrigerators2019–present

Error Code 24

Freezer defrost heater is not working

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 24c

What This Means

Heater element separation; Bimetal thermostat malfunction; Heater open circuit; Heater short circuit

What actually causes this:

Defrost heater element failed or thermal protector tripped

First Thing to Check

Power off the refrigerator for 5 minutes, then power back on

Parts Involved

F-Defrost HeaterAC RED ConnectorBimetal-Thermo

How to Fix

  1. 1

    Wait 5 minutes to allow heater thermal reset

  2. 2

    After separating AC RED connector, measure resistance between pins 4 and 5

  3. 3

    Resistance should be 63 ohm ± 7% (value varies with input power)

  4. 4

    0 ohm indicates heater short

  5. 5

    Infinity ohm indicates wire/bimetal open

  6. 6

    Must power off before testing

This Error Applies To

Samsung BRF425200AP Series Refrigerators (2019) (2019–present)

Service manual exact match: BRF425200AP/AA

Related Error Codes

9

FlexZone compartment sensor failed

7

Pantry compartment temperature sensor failed

13

Outside humidity sensor is broken

6

Outside temperature sensor is broken

11

FlexZone defrost sensor is not working

2

Fridge temperature sensor is broken or disconnected

5

Fridge defrost sensor is not working

1

Freezer temperature sensor is broken or disconnected

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