Error Code 44Er
Compressor inverter control board not communicating with main control
Moderate
Address soon - your appliance may not work properly
Also displayed as: 44Er on panel
What This Means
Inverter to Main communication line issue; Inverter PCB communication failure; Main PCB communication chip failure; Loose or damaged communication cable; Inverter power supply failure
What actually causes this:
Communication cable between inverter and main board loosened or failed, preventing compressor speed control
First Thing to Check
Reseat the communication cable between main PCB and inverter
Parts Involved
How to Fix
- 1
Check communication cable between Main and Inverter PCB
- 2
Verify Inverter PCB is powered
- 3
Inspect connector pins for damage or corrosion
- 4
Test cable continuity
- 5
Check for swollen capacitors on Inverter board
This Error Applies To
Samsung RS22R5561 Series Refrigerators