Samsung Refrigerators2018–present

Error Code 72

Fridge temperature spiked abnormally

Moderate

Address soon - your appliance may not work properly

Also displayed as: 72C

What This Means

Refrigerator door left open for extended period; Hot food recently placed in fridge; Compressor not cooling adequately; Air circulation blocked in fridge; Evaporator or airflow duct blocked

What actually causes this:

Fridge door left open or warm groceries were loaded

First Thing to Check

Close the fridge door and wait a few hours for temperature to recover

Parts Involved

Fridge ThermistorEvaporator CoilCompressorDamper ValveCirculation Fan

How to Fix

  1. 1

    1. Verify fridge door is fully closed

  2. 2

    2. Remove any recently added warm food

  3. 3

    3. Wait 2-4 hours for temperature to stabilize

  4. 4

    4. Check if error clears automatically after pre-determined period

  5. 5

    5. If error persists, check compressor is running

  6. 6

    6. Verify cold air flow from evaporator

  7. 7

    7. If temperature remains high, investigate compressor and circulation

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung RF22N9781 Series Refrigerators (2018) (2018–present)

Service manual exact match: RF22N9781Service manual exact match: RF28N9780

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