Error Code 44C
The main board and inverter board have lost communication
Moderate
Address soon - your appliance may not work properly
Also displayed as: 44C
What This Means
Cable problem between Main PCB and Inverter PCB; Defective Inverter PCB; Defective Main PCB
What actually causes this:
Loose or damaged ribbon cable between the Main PCB and Inverter PCB, often disturbed during compressor replacement
First Thing to Check
Check and firmly reseat the communication cable between the Main PCB and Inverter PCB
Parts Involved
How to Fix
- 1
Check cable connection between Main PCB and Inverter PCB
- 2
Use oscilloscope to verify communication signal on the cable
- 3
Replace Inverter PCB and retest
- 4
If issue persists, replace Main PCB
This Error Applies To
Samsung RF29A9071 Series Refrigerators (2021) (2021–present)
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