Error Code 44
Main board and inverter controller lost communication
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 44Er
What This Means
Inverter PCB failure; Main PCB failure; Communication cable disconnection; Connector contact failure
What actually causes this:
Inverter board or communication cable failed
First Thing to Check
Verify all connectors between main board and inverter are plugged in
Parts Involved
How to Fix
- 1
Display 44Er in the panel indicates main-inverter communication issue
- 2
Check inverter connector contacts
- 3
Verify communication wiring integrity
- 4
Test with oscilloscope if available
This Error Applies To
Samsung BRF425200AP Series Refrigerators (2019) (2019–present)
Related Error Codes
FlexZone compartment sensor failed
Pantry compartment temperature sensor failed
Outside humidity sensor is broken
Outside temperature sensor is broken
FlexZone defrost sensor is not working
Fridge temperature sensor is broken or disconnected
Fridge defrost sensor is not working
Freezer temperature sensor is broken or disconnected