Error Code 46
The I/O expansion module can't communicate with the main control board
Moderate
Address soon - your appliance may not work properly
Also displayed as: 46
What This Means
Signal wire disconnected from I/O expander; I/O expander chip defect; Main PCB board defect; Wire harness damaged
What actually causes this:
A connector to the I/O expander module came loose
First Thing to Check
Check that the I/O expander connector is firmly seated
Parts Involved
How to Fix
- 1
1. Check connector for I/O expander wire harness
- 2
2. Reconnect connectors firmly
- 3
3. Check for bent or damaged pins
- 4
4. If error persists, replace I/O expander module
- 5
5. If error still persists, replace main PCB
This Error Applies To
Samsung DRZ18980R Series Refrigerators (2017) (2017–present)
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