How do I fix error code 44Er on my Samsung RS28CB7600?

1. undefined: Check Main to Inverter cable (CN105) for proper connection 2. undefined: Verify no damaged pins in inverter communication connector

Samsung RS28CB7600Refrigerator

Error Code 44Er

Q: What does error code 44Er mean on a Samsung RS28CB7600?

Inverter board cannot communicate with main control board Inverter PCB to Main PCB cable disconnection; Inverter PCB malfunction; Main PCB malfunction; Corrupted communication circuit

Inverter board cannot communicate with main control board

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 44Er displayed

What This Means

Inverter PCB to Main PCB cable disconnection; Inverter PCB malfunction; Main PCB malfunction; Corrupted communication circuit

What actually causes this:

Inverter cable got loose or main PCB connector pin is damaged

First Thing to Check

Check the cable connection between main PCB and inverter board for loose fit

Parts Involved

Inverter communication cableMain PCB (Integration PBA)Inverter PCB

How to Fix

1
Check Main to Inverter cable (CN105) for proper connection
2
Verify no damaged pins in inverter communication connector

Other Error Codes for RS28CB7600

41Er

Main control board cannot communicate with display panel

52Er

WiFi module is not communicating with main control board

46Er

I/O expander chip cannot communicate with main processor

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