The **dn** display on a Samsung washing machine points to **firmware download in progress**. Treat it as a diagnostic direction rather than a parts order: operating conditions, wiring, sensors, actuators, and control electronics can overlap. Samsung uses overlapping code conventions across model years and regions. This page keeps the appliance context attached to the code so a same-looking string from another product family is not misapplied. The recorded display form is **dn**. Search normalization stores it as **DN** while preserving the characters a homeowner actually sees.
Reviewed by Ethan Mercer · Last reviewed August 17, 2026
Written by
Ethan Mercer Appliance Repair Content SpecialistPublished August 17, 2026Updated August 22, 2026Technically reviewed August 17, 2026
Content status:
Verified
Error codeDN
ApplianceWasher
Quick answer
Firmware download in progress.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so DN may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
The **dn** display on a Samsung washing machine points to **firmware download in progress**. Treat it as a diagnostic direction rather than a parts order: operating conditions, wiring, sensors, actuators, and control electronics can overlap. Samsung uses overlapping code conventions across model years and regions. This page keeps the appliance context attached to the code so a same-looking string from another product family is not misapplied. The recorded display form is **dn**. Search normalization stores it as **DN** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
One clue that supports the dn diagnosis is that the display appears while the appliance is otherwise able to respond as expected.
When the dn condition is present, the message may be tied to a mode, test, reminder, setup state, or protective condition rather than a failed part.
A symptom that fits dn is that normal operation may resume after the documented mode or condition is cleared.
A symptom that fits dn is that dn appears on the display while the appliance reports: Firmware download in progress.
Why it happens
Possible causes
varies by model/region — cross-region baseline — Firmware download in progress
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
To rule out an accessible cause, confirm the exact display characters and appliance model before treating the message as an issue.
A safe owner-level check is to verify the user-facing setting, mode, door, filter, container, or setup condition named by Samsung for this display.
Before requesting service for dn, use the model-specific manual to clear the status; avoid repeated resets if the message reappears unexpectedly.
Before requesting service for dn, record the code and the cycle stage where it appears.
For dn, start by doing this: check owner-accessible water supply, drain hose/filter, load balance, door, detergent, or power only when relevant.
For dn, start by doing this: power-cycle once only where Samsung's guidance recommends it; if the same code reappears, move to model-specific diagnosis.
Important safety warning. Disconnect power and stop use for active leakage near electrical parts, smoke, burning smell, or repeated breaker trips. If resolving dn would require energized internal access, that is the point to hand the diagnosis to a qualified technician.
Get help
When to request repair service
Service is not automatically required. Request diagnosis only if the status cannot be cleared as designed or normal operation does not resume. A repeatable dn event is more useful diagnostically than repeated resets, because it shows when the firmware download in progress check is failing.
Book your repair
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
A single documented power reset can help after an external condition or power event is corrected. If **dn** returns at the same stage, repeated resets only erase useful evidence and do not repair the cause.
This entry is classified as a status, reminder, test, or diagnostic state in the cited Samsung documentation. Normal use is appropriate only when the model instructions confirm the state and the appliance behaves normally.
Not automatically. Samsung error codes are diagnostic indicators, not part numbers. Confirm the circuit around **dn** before replacing anything.
The same-looking code can be reused on another Samsung appliance family or reformatted by region/model year. Match the appliance type and exact model before applying a meaning. This page therefore keeps **Washer dn** separate from same-looking codes used by other Samsung appliance families.
