How do I fix error code 44 on my Samsung RF22A4220SR?

1. undefined: 1. Check all connectors between main PCB and inverter 2. undefined: 2. Inspect communication cable for damage 3. undefined: 3. Look for solder bridges on inverter board 4. undefined: 4. Verify with oscilloscope if signal is present

Samsung RF22A4220SRRefrigerator

Error Code 44

Q: What does error code 44 mean on a Samsung RF22A4220SR?

Main board cannot control the compressor Inverter cable disconnected; Wiring damaged or shorted; Inverter PCB failure; Main PCB processor issue

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. Check all connectors between main PCB and inverter
2
2. Inspect communication cable for damage
3
3. Look for solder bridges on inverter board
4
4. Verify with oscilloscope if signal is present

Other Error Codes for RF22A4220SR

Control panel cannot talk to main circuit board

52A

Freezer is not cold enough

Cannot detect compressor motor position

Inverter board is too hot

Humidity level cannot be monitored

Water in dispenser tank cannot be heated

Compressor protection circuit activated

Power supply is too high

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