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Samsung Refrigerators2022–present

Error Code 52Er

Main board has lost communication with the Wi-Fi module

Moderate

Address soon - your appliance may not work properly

Also displayed as: 52Er

What This Means

Wi-Fi module connector loose on LCD PBA (CN602); Wi-Fi/BT module failure; LCD PBA failure

What actually causes this:

The Wi-Fi module connector is loose, or the module itself has failed.

First Thing to Check

Reseat the Wi-Fi module connectors CN602 and CN603 on the LCD PBA.

Parts Involved

Wi-Fi/BT moduleLCD PBACN602 connectorCN603 connector

How to Fix

  1. 1

    Check LCD PBA connector CN602 and CN603 are properly inserted

  2. 2

    Verify 5V is present at CN603 PIN 7(GND) to PIN 9(5V)

  3. 3

    Replace Wi-Fi/BT module if power is good but error persists

This Error Applies To

Samsung RF59A7670 Series Refrigerators (2022) (2022–present)

Service manual exact match: RF59A7010**/**Service manual exact match: RF59A70T3**/**Service manual exact match: RF59A70T0**/**Service manual exact match: RF59A7F10**/**Service manual exact match: RF59A7670**/**Service manual exact match: RF59A70T1**/**Service manual exact match: RF23B7671**/**Service manual exact match: RF59A7011**/**+1 more

Related Error Codes

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pc-Er

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2C

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46Er

Internal I/O chip on the main board has stopped communicating

6C

External ambient temperature sensor is faulty or disconnected

F-DEF

Freezer defrost heater or related safety component has failed

21C

Freezer fan motor has stopped working or lost its feedback signal

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