Error code
Samsung / Microwave oven
C-21
The temperature sensor detects a higher temperature than the selected setting.
What it means
The temperature sensor detects a higher temperature than the selected setting.
This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.
Manufacturer guidance
- Turn off the microwave and allow the product to cool before setting it again.
- If the code returns, contact a local Samsung Customer Care Centre.
Manufacturer source
Models documented with this signal
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.