What does error code 44Er mean on a Samsung refrigerators?

Inverter board cannot communicate with main control board Cable connection problem; Main PCB malfunction; Inverter circuit failure; Loose or damaged connector

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

1. undefined: Check communication cable between main and inverter boards 2. undefined: Verify all connector pins are properly seated 3. undefined: Check cable for physical damage

Samsung Refrigerators

Error Code 44Er

Inverter board cannot communicate with main control board

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 44Er

What This Means

Cable connection problem; Main PCB malfunction; Inverter circuit failure; Loose or damaged connector

What actually causes this:

The main board cannot send commands to the compressor inverter, usually from a disconnected cable

First Thing to Check

Inspect the cable between main PCB and inverter for secure seating

Parts Involved

Main PCBInverter PCBCommunication cable

How to Fix

1
Check communication cable between main and inverter boards
2
Verify all connector pins are properly seated
3
Check cable for physical damage

This Error Applies To

Samsung RS22T5561 Series Refrigerators

Service manual exact match: RS27T5561Service manual exact match: RS22T5561Service manual exact match: RS27T5200Service manual exact match: RS22T5201Service manual exact match: RS28T5B00Service manual exact match: RS22T5200

Related Error Codes

F-DEF

Freezer defrost cycle sensor malfunction

41Er

Communication failure between main control board and display panel

Freezer temperature sensor failure or malfunction

C-FAN

Compressor cooling fan malfunction or failure

Refrigerator temperature sensor failure

F-FAN

Freezer fan motor not operating or not responding

46Er

Input/Output expander chip not communicating with main processor

47Er

Dispenser panel is not communicating with main control board

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