Error code

46C

Q: What does error code 46C mean on a Samsung RF22K938AA?

I/O Expander is not responding to main board Potential causes include an I/O Expander failure, issues with the Main PCB, or problems with cable connections.

Meaning

I/O Expander is not responding to main board

Critical

What to do

Why this happens

Potential causes include an I/O Expander failure, issues with the Main PCB, or problems with cable connections.

How to fix it

This one needs a professional technician

SourceSamsung service manual