How do I fix error code 44E on a Samsung refrigerators?

1. undefined: Inspect cable between Main and Inverter PCB for damage 2. undefined: Verify connector seating at both ends 3. undefined: Check for water penetration 4. undefined: Use oscilloscope to verify signal integrity 5. undefined: Replace PCB after confirming cable is good

Samsung Refrigerators2013–present

Error Code 44E

Q: What does error code 44E mean on a Samsung refrigerators?

Main and inverter communication failure Wire disconnection or short in communication line; Cable problems between boards; Defective Main or Inverter PCB

Main and inverter communication failure

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 44E

What This Means

Wire disconnection or short in communication line; Cable problems between boards; Defective Main or Inverter PCB

What actually causes this:

Cable vibrates loose, connector corrodes, or PCB solder joint fails

First Thing to Check

Visually inspect cable and connectors between Main and Inverter PCB

Parts Involved

Main MICOM PCBInverter PBACommunication cable

How to Fix

1
Inspect cable between Main and Inverter PCB for damage
2
Verify connector seating at both ends
3
Check for water penetration
4
Use oscilloscope to verify signal integrity
5
Replace PCB after confirming cable is good

This Error Applies To

Samsung RS22HDHPN Series Refrigerators (2013) (2013–present)

Service manual exact match: RS22HDHPNBC/AAService manual exact match: RS22HDHPNWW/AAService manual exact match: RS22HDHPN**Service manual exact match: RS22HDHPNSR/AA

Related Error Codes

Fridge sensor failure or wiring issue

71E

Freezer temperature critically high

83E

Compressor drawing excessive or abnormal current

26E

Ice maker positioning failure

Ambient temperature sensor failure

21E

Freezer fan motor failure or feedback signal issue

Freezer defrost sensor failure

Fridge defrost sensor failure

Need more help with your Samsung refrigerators?