START HERE
Start with a photo of the full display and the appliance’s complete model identifier. Keep letters, spaces and suffixes rather than simplifying them.
Record the context
Note whether the message appeared during filling, draining, spinning or another operation. Record visible symptoms separately from your guess about the cause. This creates a clear service note without pretending the code identifies a failed part.
Match the appliance
Samsung documents model-dependent meanings for dC and 3E. A code also changes meaning across appliance types. Search with the brand and appliance, then verify the exact model.
Check before clearing
Samsung’s refrigerator guidance says not to erase an error by unplugging or changing controls unless directed. A photo preserves the message, but is not permission to use an unrelated reset procedure.
Keep a useful result log
Write down each safe check, what you observed, and whether the code returned. Stop when the guide reaches professional-only work; repeated resets do not establish that a fault is repaired.
THE EVIDENCE
Sources & verification
Our explanations are editorial summaries of the documentation below. They do not replace the instructions for your exact appliance.
- Samsung washing machine information and error codes
Samsung US · Manufacturer support · Checked
4C; 5C; SUd; Ub; model-dependent dC — Samsung US washers; model-specific code variants exist
- Samsung refrigerator error codes
Samsung US · Manufacturer support · Checked
Do not erase codes; 5E; 39E; 40E — Samsung US refrigerators
ErrHive provides independent information based on published documentation. Follow your exact appliance manual and leave hazardous repairs to qualified professionals. Safety policy.