Samsung washer dn: A software download is running

Documentation checkedBy ErrHiveUpdated October 28, 2026

THE SHORT ANSWER

A software download is running.

dn means the washer is updating its software. Keep power on while the update completes.

First safe check

Check that the display says dn and that an update was underway.

Applies to

Samsung washer families covered by the cited US guidance. Match the full model number and exact display; this is not an exact-model compatibility claim.

Before you start

Keep hands clear of a moving drum. Do not force a locked door or work on live wiring. Stop if water reaches an electrical connection.

Go to safe checks

WHAT YOU MAY NOTICE

Symptoms to record

The washer displays dn.

WORK THROUGH THE BASICS

Safe troubleshooting checks

0 of 2 checked

Use the checkboxes to keep track as you read. Stop at any warning or step that does not match your appliance.

Leave power connected
Allow the download to complete; temporarily unresponsive controls are expected during updating.
What to note
The message clears when the update finishes.
Check a stalled update
If dn persists beyond 30 minutes with continuous power and working Wi-Fi, contact Samsung.
What to note
Support can assess a stalled download.

THE DETAILS MATTER

Scope & troubleshooting notes

How to interpret this result

The usual advice to switch an appliance off is unsuitable during an active firmware download. Record when the update started and any network interruption instead of repeatedly cycling power.

YOUR NEXT DECISION

When to stop and get help

Contact Samsung for a download still stalled after 30 minutes with stable power and Wi-Fi.

Record what you see

Keep the full model number, exact displayed code, and your observations together for the next conversation.

Use the right support

Contact the manufacturer or a qualified appliance technician when the guide calls for service.

Samsung support

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 Oct 28, 2026
4C; 5C; SUd; Ub; model-dependent dC — Samsung US washers; model-specific code variants exist

ErrHive is an independent information resource, not an authorized representative of Samsung. Follow your appliance’s manual. Hazardous repairs belong with qualified professionals. Read our safety policy.