Error code

E-83

Meaning

Main and sub control boards cannot communicate

Moderate

What to do

Why this happens

Potential causes include an uninserted connector (CN201) on the main PCB or an uninserted connector (CN02) on the sub PCB, short circuits between connector pins on either the Main PCB or Sub PCB, harness damage or disconnection, and pattern damage on the PCB.

How to fix it

Reseat connectors; if error persists, replace harness or PCB

SourceSamsung service manual