For the Samsung Oven & Range families covered by the source set, **C-d1** means **door / latch malfunction**. The first useful step is to preserve the exact characters and model number before power cycling the appliance. The exact stage when the code appears can be as important as the characters themselves. Note whether it happens at startup, during fill, heating, cooling, draining, spinning, drying, or after a power event. The recorded display form is **C-d1**. Search normalization stores it as **CD1** 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 codeCD1
ApplianceOven & Range
Quick answer
Door / latch malfunction.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so CD1 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
For the Samsung Oven & Range families covered by the source set, **C-d1** means **door / latch malfunction**. The first useful step is to preserve the exact characters and model number before power cycling the appliance. The exact stage when the code appears can be as important as the characters themselves. Note whether it happens at startup, during fill, heating, cooling, draining, spinning, drying, or after a power event. The recorded display form is **C-d1**. Search normalization stores it as **CD1** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
C-d1 can be accompanied by this pattern: the appliance can refuse to start or continue a cycle.
The C-d1 display becomes more meaningful if a door, lid, divider, or latch may not be recognized as closed or locked.
One clue that supports the C-d1 diagnosis is that the code can return immediately when the appliance reaches a door-safety verify.
Depending on the exact model, c-d1 appears on the range/oven and the related cooking, sensing, door, or control function can be limited.
Why it happens
Possible causes
varies by model/region — cross-region baseline — Door / latch malfunction
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
For C-d1, start by doing this: open and close the door or lid firmly without forcing it.
The next non-invasive check is to remove clothing, racks, cookware, packaging, or debris that can interfere with closure.
To rule out an accessible cause, verify the visible latch/strike area for obstruction or damage without bypassing the safety interlock.
Before opening any service area, if water is trapped in a washer or dishwasher, resolve the drain condition before trying to force the door open.
As an external check for C-d1, record the exact code and model number.
Before requesting service for C-d1, verify door/divider/pan placement, vent obstruction, settings, and household power only when relevant.
Important safety warning. Stop for arcing, repeated breaker trips, uncontrolled heating, damaged wiring, or gas odor. Internal live-voltage and gas-system diagnosis is not a homeowner check. Do not bypass a safety device merely to see whether C-d1 disappears.
Get help
When to request repair service
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. A repeatable C-d1 event is more useful diagnostically than repeated resets, because it shows when the door / latch malfunction 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 **C-d1** returns at the same stage, repeated resets only erase useful evidence and do not repair the cause.
Continue only if the appliance is otherwise safe and the owner-level checks are appropriate. Stop for leakage near electrical parts, smoke, burning odor, arcing, gas concerns, repeated breaker trips, uncontrolled heating, or unsafe temperatures.
The code alone is not enough to justify a part. **C-d1** should narrow testing to the affected function; the final cause still has to be verified on the exact model.
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 **Oven & Range C-d1** separate from same-looking codes used by other Samsung appliance families.
