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Samsung Washing Machine Error Code dn: Downloading update
Applies to Samsung washing machines that show dn on the display.
Not an error — the washer is downloading a software update. Controls will not respond while it runs, which takes about 15 minutes.
What this code means
Keep the washer powered on while the download completes; the message disappears when the update is done.
The manufacturer's checks, in order
- Leave the washer powered on and wait — about 15 minutes is normal.
Related Samsung washing machine codes
LE — Water level / leakage error4E — Not filling error5C — No drain errordE — Door errorUE — Unbalanced load error4C2 — Hot/cold error
Source & provenance. The meaning, the checks and their order, and the service line on this page are restated from Samsung official support — “Samsung Washing Machine Information and Error Codes” (source), read on 2026-11-06. No forum content, no invented repair steps, and nothing involving gas, refrigerant or mains wiring. Where the manufacturer says to request service, this page stops too.