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Samsung Refrigerators2022–present

Error Code 44Er

Main control board and inverter board have lost communication

Moderate

Address soon - your appliance may not work properly

Also displayed as: 44Er

What This Means

Cable between Main PCB and Inverter PCB loose or damaged; Main PCB failure; Inverter PCB failure

What actually causes this:

The cable linking the main board to the inverter (compressor controller) is loose or a board has failed.

First Thing to Check

Check that the connector CN102 between the Main PCB and Inverter PCB is securely connected.

Parts Involved

Main PCBInverter PCBCommunication cable CN102

How to Fix

  1. 1

    Inspect the cable/connector between Main PCB and Inverter PCB

  2. 2

    Use oscilloscope to confirm communication signal

  3. 3

    Replace Main PCB or Inverter PCB as needed

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

13C

Interior humidity sensor is faulty or not getting power

pc-Er

The main control board and display panel board have lost communication

2C

Fridge compartment temperature sensor is faulty or disconnected

23C

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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

52Er

Main board has lost communication with the Wi-Fi module

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