C-d0

Control buttons have remained touched for more than ten seconds.

What it means

Control buttons have remained touched for more than ten seconds.

This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.

Clean and dry the keys and the surrounding glass; check for water.
If it appears again, turn the microwave off for over 30 seconds; call Samsung Customer Care if it recurs.

Manufacturer source

Select your exact model below to open its manufacturer source. Manual editions and model revisions can differ.

If there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.