Samsung Refrigerators2021–present

Error Code 52Er

The Wi-Fi communication chip has stopped responding to the main board

Moderate

Address soon - your appliance may not work properly

Also displayed as: 52Er

What This Means

Wi-Fi module cable problem; Defective Wi-Fi module; Defective Main PCB

What actually causes this:

Firmware corruption in the Wi-Fi module or a loose antenna connector causing the module to lock up

First Thing to Check

Try a factory reset by holding the lock button for 12 seconds and watching for 'Ar' on the display

Parts Involved

Wi-Fi moduleMain PCBCommunication cable

How to Fix

  1. 1

    Check cable connection between Main PCB and Wi-Fi module

  2. 2

    Perform Factory Reset: hold lock/unlock button for about 12 seconds until 'Ar' appears on display

  3. 3

    Replace Wi-Fi module and retest

  4. 4

    If issue persists, replace Main PCB

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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