Samsung Refrigerators2021–present

Error Code 41

Control panel cannot talk to main circuit board

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: F/R

What This Means

Communication cable disconnected; Wiring short or open; Panel PCB malfunction; Main PCB processor failure

What actually causes this:

Communication wire is broken or circuit board is faulty

First Thing to Check

Check all wire connections between the control panel and main board

Parts Involved

MAIN PCBPanel PCBCommunication cable harness

How to Fix

  1. 1

    1. Verify all connectors between main and panel PCB are seated

  2. 2

    2. Inspect wiring for damage or breaks

  3. 3

    3. Check for solder bridges on PCB

  4. 4

    4. Use oscilloscope to verify signal on communication line

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

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