Samsung Refrigerators2021–present
Error Code 46
Input/output expander chip not responding
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: Error 46
What This Means
Bad solder joint on I/O Expander; Defective I/O Expander chip; Power supply issue to expander
What actually causes this:
Defective I/O chip or bad PCB
First Thing to Check
Verify main PCB has power supply
Parts Involved
Main PCBI/O Expander IC
How to Fix
- 1
Check power supply to I/O Expander
- 2
Inspect solder joints
- 3
Test expander with oscilloscope
This Error Applies To
Samsung RF262BEAES Series Refrigerators (2021) (2021–present)
Service manual exact match: RF262BEAESGService manual exact match: RF262BEAESR