Step-by-Step DIY Fix Guide
- SAFETY: No electrical hazard.
- Do not unplug or switch off the washer while 'dn' is displayed — interrupting a firmware update can corrupt the software and render the washer inoperative.
- Allow approximately 15–30 minutes for the download and installation to complete.
- The washer will restart automatically when the update is done.
- If 'dn' is still displayed after 30 minutes, the download may have stalled — unplug for 60 seconds, restore power, and check the Samsung SmartThings app for update status.
If the code comes back
- dn persists for more than 60 minutes and does not clear after a single power reset
What This Error Means
Error dn on your Samsung washing machine means: The washer is downloading and installing a firmware (software) update over Wi-Fi. The display shows 'dn' during this process. This is not a fault. The washer's self-diagnostic system has detected this condition and paused the current cycle.
The most frequent cause is samsung smartthings app pushed a firmware update to the washer. Work through the causes and fix steps below in order — most Samsung washer errors are resolved without a service call.
Error dn is DIY-safe. No tools are required and the fix typically takes under 15 minutes. Follow all steps in sequence.
This is a mode indicator, not a hardware fault. The washer is operating exactly as designed — the display is informational. Follow the steps above to return the machine to normal operating mode.
Most Likely Cause by Symptom
The Samsung washing machine may stop, pause, or refuse to complete the cycle normally.
Likely cause: Samsung SmartThings app pushed a firmware update to the washer
Check first: SAFETY: No electrical hazard.
Common Causes
- Samsung SmartThings app pushed a firmware update to the washer
- Washer connected to Wi-Fi and automatically received an available update
What Not to Do
- Do not unplug the washer while 'dn' is displayed — a corrupted firmware update can permanently disable the control board
Model and Display Variation Notes
Model-family notes
- Samsung washing machine display wording and code formats can vary by series.
- If your model behaves differently, check the owner manual before trying any deeper maintenance step.
Display and panel differences
- Panel wording can vary by series, so confirm the exact code pattern before buying parts.
Parts, Tools and Service Options
Manual and model check
Check your exact model and manual before ordering any Samsung washing machine parts.
This section stays model-first because exact manual and parts matching matters more than a generic replacement suggestion here.
When Not to Keep Troubleshooting
dn persists for more than 60 minutes and does not clear after a single power reset
How to Prevent It Recurring
- Connect your Samsung washer to your home Wi-Fi and the SmartThings app — firmware updates fix bugs and add features automatically
Related Error Codes
Cb
The washer is running a calibration cycle to recalibrate its load weight detection sensors. This is a maintenance mode, not a fault.
AE
The washer's internal electronic components cannot communicate with each other. A communication breakdown has occurred between the main control board and one or more subsystems.
Extra notes
- This page is based on Samsung support material and stays conservative where model-specific guidance may vary.
- The goal is to help you identify safe first checks before you move into parts, service, or model-specific manual lookup.
Source and model notes
Last reviewed: 2026-04-08
Based on: Based on Samsung support material and edited into consumer-safe guidance for the exact code family on this page.
View Samsung US Official Support
Model coverage note: Samsung washing machine code meanings can vary by series, control panel, and model family, so use this page as a safe starting point rather than a replacement for the model-specific manual.
Important: FixThisError is an independent guide, not the manufacturer. Use your model-specific manual when the panel wording or behavior differs.
Always disconnect power before inspecting appliances. If unsure, contact a licensed appliance technician.