Samsung Refrigerators2018–present

Error Code 44C

Compressor inverter is not communicating with main board

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 44C

What This Means

Inverter PCB malfunction; Main PCB malfunction; Cable connection problem; Communication line failure

What actually causes this:

Inverter PCB failure or loose cable

First Thing to Check

Check cable connection between main and inverter

Parts Involved

Main PCBInverter PCB

How to Fix

  1. 1

    Check cable connections between Main and Inverter

  2. 2

    Inspect PCB solder joints

  3. 3

    Verify with oscilloscope

  4. 4

    Check for short-circuits on PCB

This Error Applies To

Samsung RF28K9070A Series Refrigerators (2018) (2018–present)

Service manual exact match: RF28K9070AAService manual exact match: RF22K938AA

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