Error Code 46Er
Input/Output expander chip not communicating with main processor
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 46Er
What This Means
Communication cable failure; Main PCB malfunction; I/O expander chip failure
What actually causes this:
The I/O expander circuit on the main board has failed and cannot send or receive control signals
First Thing to Check
Check all connectors seating; if secure, board replacement needed
Parts Involved
How to Fix
- 1
Check communication cable seating
- 2
Verify connector pin alignment
- 3
Test cable continuity
This Error Applies To
Samsung RS22T5561 Series Refrigerators
Related Error Codes
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Refrigerator temperature sensor failure
Freezer fan motor not operating or not responding
Dispenser panel is not communicating with main control board