What dn Means
dn means the washer is downloading a software update, per Samsung’s US article, and the controls will not respond while it runs. Samsung says the update takes around fifteen minutes and that the washer should be left powered throughout.
Common Causes of dn
- Firmware update pushed through SmartThings
- Update stalled by a dropped Wi-Fi connection
🔧 One Safe Check You Can Try
Leave the washer alone and connected to power and Wi-Fi until dn disappears and the machine restarts itself. Samsung’s threshold is thirty minutes: if dn is still showing after that with stable power and a working connection, request service rather than pulling the plug, since interrupting a download is the one way to turn a routine update into a control problem.
⚠ Why You Shouldn't Go Further Than That
- A download interrupted at the plug can leave the control board without working software, which then needs a technician with the service tools to recover.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.

