Error code

-SE-

Meaning

Keypad circuit short detected

Moderate

What to do

Why this happens

The problem could be due to the keypad cable not being inserted into the sub PCB connector, short circuits between the sub PCB connector and keypad cable pins, damage or shorts within the keypad cable, or touching of sub PCB connector pins.

How to fix it

Repair or replace keypad cable; if problem persists, replace sub PCB

SourceSamsung service manual