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Samsung Refrigerators2021–present

Error Code 44

Main board cannot control the compressor

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: F/R

What This Means

Inverter cable disconnected; Wiring damaged or shorted; Inverter PCB failure; Main PCB processor issue

What actually causes this:

Communication wire is broken or inverter board is faulty

First Thing to Check

Check all wire connections between main board and compressor driver

Parts Involved

MAIN PCBInverter PCBCommunication cable harness

How to Fix

  1. 1

    1. Check all connectors between main PCB and inverter

  2. 2

    2. Inspect communication cable for damage

  3. 3

    3. Look for solder bridges on inverter board

  4. 4

    4. Verify with oscilloscope if signal is present

This Error Applies To

Samsung RF22A4 Series Refrigerators (2021) (2021–present)

Service manual exact match: RF22A4221SG/AAService manual exact match: RF22A4121SG/AAService manual exact match: RF22A4110SG/AAService manual exact match: RF22A4220SG/AAService manual exact match: RF22A4111SG/AAService manual exact match: RF22A4010SG/AAService manual exact match: RF22A4221SR/AAService manual exact match: RF22A4121SR/AA+2 more

Related Error Codes

41

Control panel cannot talk to main circuit board

13

Humidity level cannot be monitored

33

Water in dispenser tank cannot be heated

52A

Freezer is not cold enough

62

Cannot detect compressor motor position

66

Inverter board is too hot

26

Ice maker water pipe cannot be heated

52

WiFi remote control feature not working

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