Samsung Refrigerators2017–present

Error Code 24

Freezer defrost heater is broken or stuck on and won't stop heating

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: F-Defrost Error

What This Means

Freezer defrost heater disconnected or failed; Defrost heater housing separated; Contact error between heater and mounting; Wire short circuit or open circuit; Temperature fuse failure; Defrost not completing within 120 minutes

What actually causes this:

Defrost heater element failure or stuck thermal fuse

First Thing to Check

Feel defrost area during defrost cycle for excessive heat

Parts Involved

Freezer Defrost HeaterAC RED ConnectorHeater HousingTemperature FuseBimetal Thermostat

How to Fix

  1. 1

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

  2. 2

    Expected resistance should be 63 ohm ± 7%

  3. 3

    0 ohm indicates heater short circuit

  4. 4

    Infinity ohm indicates wire or bimetal open circuit

  5. 5

    Verify defrost termination within 120 minutes during test

This Error Applies To

Samsung BRF425200A Series Refrigerators (2017) (2017–present)

Service manual exact match: BRF425200AP/AAService manual exact match: DRF427500AP/DAService manual exact match: DRF429900AP/DAService manual exact match: DRF425300AP/DA

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