Samsung Washer DC Error Code: Meaning, Causes & Fix

Door error on some Samsung models, unbalanced load error on others — Samsung publishes DC in both families, and the model's own manual decides which meaning applies.

DC is the Samsung washer code with two documented meanings, and Samsung says so itself: its washer information-code page lists dC in the door-error group ('the door is not detected as closed and locked') and dc again in the unbalanced-load group, each time carrying the note 'On some models, dC is a Door Error. On some models it is an Unbalanced Load Error. See your user manual to determine which it is for your model.' On door-branch models the control cannot confirm the door is closed and locked, so the machine will not start (or pauses mid-cycle) because spinning with an unlatched door is a safety risk; physical causes — something trapped in the seal, a door not fully pushed — are as common as a failed lock. On balance-branch models the load could not be balanced for spin. The causes, checks and fixes below cover the door branch; the balance branch, and how to tell the two apart on your machine, are covered in this page's later sections. DC repays reading Samsung's own page layout, because the layout is the lesson. On Samsung's US washer information page, dc appears twice — once inside the door-error group, once inside the unbalanced-load group — carrying an asterisk in both places, pointing to the same footnote: on some models it is one, on some models the other, see your user manual. The split is deliberate platform history, not a table error: different Samsung generations assigned the same two letters to the two faults a washer most often stops for. The practical consequence is that 'the DC code means…' is a sentence no honest page can finish without asking which model you own — and the two branches share almost no parts, so guessing wrong is expensive in both directions: lid locks bought for balance faults, suspension suspected for a trapped sleeve.

What causes the DC code on a Samsung washer?

Door not fully closed or clothing trapped in the seal

A sleeve or sock over the gasket stops the latch reaching its locked position.

Door lock assembly failing

The lock's internal switch stops reporting 'locked' even though the latch engages — often intermittent at first, working after a firm push.

Bent door hinge or sagging door (front-load)

Years of weight on an open door drop it slightly, so the latch pin no longer aligns with the lock.

Lid switch fault (top-load)

The lid switch/lock on top-loaders fails the same way, sometimes after slamming.

Wiring or control fault

Less common: a damaged lock harness or board input.

The unbalanced-load branch: a load the washer cannot spread evenly (balance-branch models)

On the models where Samsung assigns dc to balance, the cause list is the unbalance list: the current load is unbalanced inside the tub, in Samsung US's wording, and the washer will fail to complete the cycle because of it. Samsung's Hong Kong guidance for a UE or DC display works the same story — shipping bolts or shipping base still fitted, the machine not on level ground, a load clumped to one side. The presentation gives this branch away: dc arrives at or near spin, after the machine has tumbled back and forth trying to redistribute the load, on a door that was never in question. A single waterlogged blanket, a bath mat, or a load roped into one mass is the usual physical cause.

Weight detection that has drifted out of calibration (balance-branch models)

Samsung's US code page carries a calibration entry for a reason: calibration mode is used to recalibrate the weight detection of the washer, and weight detection is what the control uses to judge the load it is trying to balance. A washer whose weight sensing has drifted — after a move, after installation on a new floor, or gradually over years — can judge ordinary loads as unbalanced and report dc on loads it once spun happily. Samsung's caveat matters: calibration will not calibrate correctly unless the washing machine is empty, so a calibration run with laundry left in teaches the machine a wrong zero and makes the code more frequent, not less.

Child Lock producing a door-branch dc on a machine that is not even washing

Samsung's US door-error entry carries a note most owners never find: the door code may appear even if you are not running a cycle, if Child Lock is enabled and water is in the tub — and if the door is not closed or Child Lock is not turned off within 30 seconds, the washing machine will drain the water from the tub. A dc on an idle machine, or one accompanied by an unexpected drain-down, can be the Child Lock state announcing itself rather than a failed lock — a documented door-branch presentation, cleared at the lock setting and the door, not with parts.

Checks to run before you replace anything

1. Open the door, check the seal all the way round for trapped fabric, and close it with a firm, even push until it clicks.
2. Try starting a cycle while holding gentle pressure on the door — if it starts and runs, alignment/lock wear is the story.
3. Look at the door from the side: a visible sag at the hinge side points to hinge wear.
4. On top-loaders, check the lid lock area for detergent crust or a cracked lid strike.
5. Decide which branch your machine is on before checking anything else — Samsung's instruction is to see your user manual to determine which meaning dc carries for your model, and two observations confirm the manual's answer: a dc at cycle start, or the moment the machine tries to lock, is reporting the door; a dc at spin, after redistribution tumbling, is reporting balance. Applying door checks to a balance fault (or load checks to a door fault) is how this code earns its confusing reputation.
6. Read the complete display, including any prefix: Samsung's US door group is a family — dC1, 1 dC and the FlexWash 1dC4 among them — and its Add Door faults are a neighbouring family, ddC and dC3, for the small Add Door rather than the main door. A prefixed or Add Door variant read as plain dc sends you to the wrong door entirely; on FlexWash models Samsung adds that a 1dC4 can mean nothing more than the missing rubber button next to the upper washer's latch, which is replaced without any service visit.
7. Do not condemn the latch for being loose: Samsung UK publishes a specific reassurance that the door latch on its washing machines is designed to move, so that the locking mechanism in the washer can grab onto it, and that if the latch were rigid the lock would not be able to grab it properly, causing check code dC. Samsung's instruction is not to book a repair for a loose latch unless you are experiencing another issue or check code — latch play is the design, not the wear.
8. For the balance branch, run Samsung's installation checks in its published order (Hong Kong guidance for UE/DC): turn off and unplug, confirm the shipping bolts on a front-loader (or the shipping base on a top-loader) have been removed, confirm the machine stands on level ground, and then open the door, take the clothes out, put them back in spread evenly, and close the door. A dc that survives an empty, level, bolt-free test spin is no longer a load problem, whichever branch your model uses.

How to fix the DC error code

1. Remove trapped items and clean the seal and latch area.
2. Replace the door lock assembly if the door latches mechanically but DC persists (Moderate DIY: it sits behind the front gasket lip or top panel, wire connector swap).
3. Correct door sag: tighten or replace hinge parts so the latch pin meets the lock squarely.
4. Top-load: replace the lid lock/switch assembly if the lid physically locks but the code remains.
5. Answer the balance branch the way Samsung's US page phrases it: untangle and rearrange the laundry to be more balanced within the tub, close the door, and restart the cycle by pushing the Start button. Samsung's wording for the neighbouring Ur code explains what the machine was doing before it gave up — it adds more water, tries to balance the load, and tries the spin again — so by the time dc replaces the retry, manual redistribution is the remaining step, and adding a couple of towels to a single heavy item is the practical form it takes.
6. Recalibrate a balance-branch machine that faults on ordinary loads, with the tub empty: Samsung's calibration guidance (its Caribbean and Philippines pages agree in substance, the button pair varying by family) is to empty the machine, power it on, press and hold Temp. and Delay End together for about 3 seconds until Cb shows, then press and hold Start/Pause — the tub rotates both directions for roughly a minute on top-loaders, a few minutes on front-loaders, a 0 appears, and the washer turns itself off. Confirm your model's button pair in its manual first; an occupied tub invalidates the result.
7. Close out the door branch with Samsung's stopping rule: check that the latch is securely fixed, that laundry or other items are not caught in the door, and that the door is closed and secured correctly — and if the code cannot be corrected, or there is damage to the door or latch, Samsung directs you to request service rather than to keep cycling the door. The one owner-replaceable exception Samsung names is the FlexWash upper washer's rubber latch button behind a 1dC4: replacing the button fixes it, and service is not required.

The part that usually fails: Door lock assembly

The usual failed part. Its internal micro-switches report lock state; when they stop reporting, the board shows DC even with a sound latch. There is no reliable bench test beyond continuity of the switch contacts in the locked state, so diagnosis is usually by substitution after the physical checks.

How to reset dc error code on samsung washer?

DC clears as soon as the control sees a valid locked signal — close the door properly and press Start. A power cycle is only needed if the display has locked up.

On Samsung washers most fault codes clear with a power reset: switch the machine off, unplug it (or trip the breaker) for at least 5 minutes so the control board fully discharges, then restore power and run a short Rinse+Spin or a small test load. If the code was caused by a one-off condition — a kinked hose, an unbalanced load, a suds spike — it will not come back. If it returns on the next cycle, the control has detected the same fault again and the reset has only cleared the message, not the cause. Samsung does not use a button-combination 'master reset' on most models; the power cycle is the reset.

Why does the DC code keep coming back?

DC that returns intermittently, often mid-cycle or when the machine vibrates at spin, is a lock whose switch contacts are marginal — vibration breaks the signal. It will get worse; replace the lock before it strands a load behind a locked door. When DC keeps coming back, let its timing file the report. Door-branch returns that arrive mid-cycle, or only when the machine vibrates at spin, are a lock whose signal is marginal, and they worsen until the lock is replaced. Balance-branch returns follow a different clock: fine for weeks after a calibration or a levelling, then creeping back load by load, is weight detection drifting again or suspension tiring — at that point the UB page's suspension path, not another calibration, is the honest next step. And a DC that returns on an idle machine with water in the tub belongs to neither clock: re-read Samsung's Child Lock note before buying anything, because that presentation is a setting announcing itself.

How to stop DC coming back

• Door not fully closed or clothing trapped in the seal: A sleeve or sock over the gasket stops the latch reaching its locked position.
• Door lock assembly failing: The lock's internal switch stops reporting 'locked' even though the latch engages — often intermittent at first, working after a firm push.
• Bent door hinge or sagging door (front-load): Years of weight on an open door drop it slightly, so the latch pin no longer aligns with the lock.

Retrieving stored fault codes on Samsung washers

Most Samsung washers store recent fault codes that a technician can read in the service/diagnostic mode. Entry varies by model family: on many front-loaders you press and hold Delay End and Pre Soak (or Temp and Spin, on older models) together for about 3 seconds until the display lights all segments; on top-loaders a similar two-button hold (often Delay End + Pre Soak) is used. Once inside, the cycle knob steps through stored codes and component tests (fill, drain, motor, heater). Because the button pair differs between model years, confirm the pair for your exact model in the tech sheet fixed inside the machine or in the user manual before relying on a code you read there.

Other Samsung washer error codes

See the full list on the Samsung Washer error codes hub.

Codes DC gets confused with

NF — No Fill — the washer is not filling with water (one spelling of Samsung's not-filling family). NF is one display spelling of Samsung's not-filling fault — the same water-supply problem other models report as 4C/4E.

UR — Unbalanced load, retrying — the washer is still trying to redistribute the load before spin. UR is a status as much as a fault: the washer has detected an unbalanced load and is actively tumbling and retrying to balance it before spin.

SE — No drain — the washer is not draining (Samsung lists SE in its nd, 5E, SE, 5C, SC no-drain family). It is not a sensor error on washers. SE is a spelling Samsung itself prints for its washer no-drain fault: Samsung's US/Caribbean washer information page groups the family as 'nd, 5E, SE, 5C, SC, 1 5C: No drain error — water is not draining from the washer at the correct speed (or at all)', and its published fix sequence is to turn the washer off and check the level, inspect the drain hose, clean the pump filter (front loaders only), then turn the washer back on and start a cycle.

XL — Not a Samsung washer fault code — no XL entry exists in Samsung's published washer code lists. 'XL' in Samsung laundry searches refers to extra-large-capacity models and listings, and searches for an 'XL error code' usually trace back to a capacity description or a misread display. Samsung sells extra-large-capacity washers (its own product literature words the feature 'Extra-Large Capacity', shortened to XL in retailer listings and size categories), and the 'XL' from a listing is frequently mistaken for an error code when the machine stops for another reason.

Working from a symptom instead? Read our troubleshooting guide for this problem.

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Facts on this page were checked against manufacturer documentation: www.samsung.com · www.samsung.com · www.samsung.com · www.samsung.com