Seeing **1 DC** on a Samsung dryer narrows the problem to **door / latch / door-sensor error**. What you do next depends on whether the code is an issue, a normal status/test message, or a model-dependent interpretation. The useful diagnostic value of the code is the subsystem it identifies. A good repair process confirms the symptom, checks the accessible external conditions, and then follows the model-specific circuit only if the display returns. The recorded display form is **1 DC**. Search normalization stores it as **1DC** 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 code1DC
ApplianceDryer
Quick answer
Door / latch / door-sensor error.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so 1DC 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
Seeing **1 DC** on a Samsung dryer narrows the problem to **door / latch / door-sensor error**. What you do next depends on whether the code is an issue, a normal status/test message, or a model-dependent interpretation. The useful diagnostic value of the code is the subsystem it identifies. A good repair process confirms the symptom, checks the accessible external conditions, and then follows the model-specific circuit only if the display returns. The recorded display form is **1 DC**. Search normalization stores it as **1DC** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
A symptom that fits 1 DC is that the appliance can refuse to start or continue a cycle.
While 1 DC is active, a door, lid, divider, or latch may not be recognized as closed or locked.
While 1 DC is active, the code can return immediately when the appliance reaches a door-safety verify.
A symptom that fits 1 DC is that 1 DC appears and drying may pause or performance may change because of door / latch / door-sensor error.
On affected Samsung dryer models, heat, airflow, motor, drainage, door, or sensor behavior can be affected depending on the code family.
Why it happens
Possible causes
varies by model/region — cross-region baseline — Door / latch / door-sensor error
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Before requesting service for 1 DC, open and close the door or lid firmly without forcing it.
As an external check for 1 DC, remove clothing, racks, cookware, packaging, or debris that can interfere with closure.
As an external check for 1 DC, inspect the visible latch/strike area for obstruction or damage without bypassing the safety interlock.
Before requesting service for 1 DC, if water is trapped in a washer or dishwasher, resolve the drain condition before trying to force the door open.
With 1 DC recorded, record the code and whether the dryer is vented or heat-pump/ventless.
As an external check for 1 DC, clean/inspect lint filter, heat exchanger, water tank/drain, and external vent only when relevant.
Important safety warning. Stop for burning smell, smoke, gas odor, repeated breaker trips, or abnormal overheating. Do not bypass thermal protection. If resolving 1 DC would require energized internal access, that is the point to hand the diagnosis to a qualified technician.
Get help
When to request repair service
For 1 DC, the service threshold is straightforward: Request service if the door closes normally but the code returns, the latch will not release safely, or diagnosis requires testing the interlock, wiring, or control circuit. Bring the exact model number and a photo of the display so the diagnosis stays tied to the documented Samsung code.
Book your repair
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
Resetting can clear a temporary state, not a persistent issue. If **1 DC** comes back, preserve the code and move to the safe checks or model-specific service path.
That depends on the accompanying symptom. A code with no safety hazard may allow a short diagnostic check, but **1 DC** should not be ignored if performance is deteriorating or the display keeps returning.
Not automatically. Samsung error codes are diagnostic indicators, not part numbers. Confirm the circuit around **1 DC** 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 **Dryer 1 DC** separate from same-looking codes used by other Samsung appliance families.
