Samsung Refrigerators2018–present

Error Code 73

Cool Select Room temperature control failed

Moderate

Address soon - your appliance may not work properly

Also displayed as: 73C

What This Means

Convertible zone door left open; Warm food recently placed in zone; Damper valve not opening/closing properly; Compressor not cooling adequately; Air circulation to convertible zone blocked

What actually causes this:

Compartment door left open or damper valve stuck

First Thing to Check

Close the cool select room door and wait for recovery

Parts Involved

Convertible Zone ThermistorDamper ValveCompressorEvaporator Coil

How to Fix

  1. 1

    1. Check convertible zone door is properly 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 after pre-determined period

  5. 5

    5. If error persists, check damper valve operation

  6. 6

    6. Verify compressor is running and cooling cycle is normal

  7. 7

    7. Check if cold air is reaching convertible zone

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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