Samsung Refrigerators2013–present
Error Code 44Er
Main board can't communicate with compressor inverter
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 44Er displayed on panel
What This Means
Inverter communication cable disconnected or loose; Inverter PCB defect; Main PCB defect; Wire harness damage; Compressor inverter module failure
What actually causes this:
Inverter cable disconnected or compressor control board failed
First Thing to Check
Check if compressor is running
Parts Involved
Inverter BoardMain PCBCompressor Inverter ModuleCommunication cable
How to Fix
- 1
1. Check inverter communication cable connectors
- 2
2. Verify cable is fully seated on both ends
- 3
3. Inspect for visible wire damage
- 4
4. Use oscilloscope to verify signal integrity
- 5
5. If cable is normal, replace Main PCB or Inverter PCB
- 6
6. May require inverter module replacement
This Error Applies To
Samsung RF23HCED Series Refrigerators (2013) (2013–present)
Service manual exact match: RF23HCEDTSRService manual exact match: RF23HCEDBSRService manual exact match: RF23HCEDBBCService manual exact match: RF23HCEDBWW