Samsung Refrigerator 88 88 code: Communication fault
The display and the main control board lost communication, which can happen when power is interrupted during start-up.
Most common causes
- Power interruption during start-up
- Loose door wire harness connection
- Display or main board fault
What you can safely check yourself
- Unplug the refrigerator or switch off its breaker for 60 seconds, then restore power.
Unplug the appliance before moving or cleaning anything. Do not open panels, touch gas connections or bypass safety switches.
Checked against: samsung.com · samsung.com. Meanings can vary by model; check your owner’s manual.