Too much ice or frost.
Ice grows around the freezer, vents or door seal.
What may be happening
Warm air entering through the seal, frequent door openings or a defrost-system fault may cause frost. Direct-cool models need periodic manual defrosting.
What you can safely check
Remove items blocking closure and inspect the gasket. Use only the defrost procedure in the manual. Never use sharp tools, a hairdryer or boiling water.
How a technician approaches it
The seal, defrost heater, timer or electronic control and temperature sensors may need inspection. Repeated frost after correct defrosting needs diagnosis.
Before you call
Note when the problem began, whether one or both compartments are affected, any displayed code and the exact model number. Avoid repeated restarts or changing several settings at once.
Get the fault checked
Independent service is available for out-of-warranty appliances, subject to local and model availability. Visits start at ₹500; parts and repair labour are quoted after diagnosis.
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General care reference: Samsung cooling troubleshooting. Always follow your own model’s manual; controls and clearances differ.