How do I fix error code 41Er on a Samsung refrigerators?

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Samsung Refrigerators

Error Code 41Er

Communication between main control board and display panel broken

Moderate

Address soon - your appliance may not work properly

Also displayed as: 41Er with alarm on panel

What This Means

MICOM to Panel communication line issue; Main PCB communication chip failure; Panel PCB communication chip failure; Loose or damaged communication cable; Power supply to communication circuit

What actually causes this:

Communication cable disconnected, main board or panel circuit failed, or connector corrosion broke control signals

First Thing to Check

Reseat the communication cable between main PCB and panel

Parts Involved

Main PCBPanel PCBCommunication cable/connector

How to Fix

1
Check communication cable between Main and Panel PCB
2
Verify both PCBs are powered
3
Inspect connector pins for damage or corrosion
4
Test cable continuity if available
5
Check for swollen capacitors on both boards

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung RS22R5561 Series Refrigerators

Service manual exact match: RS22R5561Service manual exact match: RS27T5561Service manual exact match: RS22T5200Service manual exact match: RS22T5201Service manual exact match: RS28T5B00Service manual exact match: RS22T5561Service manual exact match: RS27T5200