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Error code reference

Samsung Washer Error Code DC

Door error where the door is not opened after door open operation, or not locked after door close operation…

Samsung codesSamsung washer codes

Door error where the door is not opened after door open operation, or not locked after door close operation, caused by door hook deformation, door pulled by force, or pressure difference during Boil wash.

First step from the service manual

Check door switch resistance (pins 1 and 3 should be approximately 175 Ω); check if error occurs during Boil cycle; check 120V power wire connections and insulation state to door.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What DC means on a Samsung washer

The DC error code on a Samsung washer indicates a door latch or lock failure. Specifically, the control detects either that the door did not open after a door-open operation was commanded, or that the door did not fully lock after a door-close operation. The door switch is the primary sensing component here, and its resistance across pins 1 and 3 should measure approximately 175 ohms when functioning correctly. A reading outside this range points to a faulty switch or a wiring issue in the 120V supply circuit feeding the door assembly.

The three most common physical triggers are door hook deformation, forced opening of the door mid-cycle, and pressure differentials that occur during the Boil wash cycle. During a Boil cycle, the interior of the drum builds up heat and steam pressure. This pressure difference can push against the door seal with enough force to partially unseat the latch mechanism, causing the control board to log a DC fault even though the door appears closed from the outside. A deformed door hook, whether from wear or from the door being pulled open by force, will prevent the latch from fully engaging, producing the same detection failure.

Diagnosis should begin at the door switch itself. Measure resistance across pins 1 and 3 and compare against the 175-ohm specification. Next, inspect the 120V power wiring routed to the door assembly, checking for damaged insulation, loose connectors, or corroded terminals. Physically inspect the door hook and strike for visible deformation or misalignment. If the error appears only during Boil cycles, pressure-related latch displacement is the likely cause rather than a failed switch or wiring fault.

Source: manufacturer service documentation.

Common causes of DC

  1. 01

    Door hook deformation

    Part replacement

    The plastic or metal door hook that engages the strike plate can warp or deform over time, preventing full latch engagement. Inspect the hook visually for bending, cracking, or misalignment with the strike.

  2. 02

    Faulty or out-of-spec door switch

    Part replacement

    The door switch should read approximately 175 ohms across pins 1 and 3. A reading significantly above or below this indicates a failed switch that is sending incorrect status signals to the control board.

  3. 03

    Pressure differential during Boil cycle

    Wiring / connection

    Steam pressure generated during the Boil wash cycle can force the door seal outward enough to unseat the latch, triggering a DC fault. If the error appears only during high-temperature cycles, pressure displacement is the likely cause rather than a component failure.

  4. 04

    Door pulled open by force mid-cycle

    Part replacement

    Forcing the door open while the washer is running can bend the latch mechanism or damage the door switch internals. Check for any visible distortion of the door frame or latch hardware.

  5. 05

    Damaged 120V wiring or connections to door assembly

    Wiring / connection

    Loose connectors, corroded terminals, or compromised insulation on the 120V power wires feeding the door assembly can interrupt the door lock circuit. Inspect all wiring connections and insulation condition along the door harness.

See the test procedure for each cause

Frequently asked questions about DC

What does DC mean on a Samsung washer?
The DC error code on a Samsung washer signals a door operation failure. The machine detected that the door either did not open when commanded to unlock, or did not lock correctly after closing. The root cause is usually a deformed door hook, a door that was forced open during a cycle, or steam pressure during a Boil wash cycle interfering with the latch. The door switch resistance across pins 1 and 3 should measure around 175 ohms, and a deviation from that value points to a switch or wiring problem.
Can I fix the DC error myself on my Samsung washer?
Some causes of the DC error are DIY-friendly. You can visually inspect the door hook for deformation, check wire connections along the door harness for looseness or damaged insulation, and verify the door switch resistance with a multimeter set to ohms. If the reading across pins 1 and 3 is far from 175 ohms, replacing the door switch is a moderately straightforward repair. Deformed door hooks or a damaged latch assembly will also require part replacement, but the repair is accessible without specialized tools in most cases.
Is it safe to use my Samsung washer when the DC error is showing?
It is not safe to continue using the washer while the DC error is active. The code indicates the door latch is not functioning reliably, which means the door may not be fully secured during a cycle. Running the machine in this state could allow the door to open under water pressure, creating a flood or personal injury risk. The issue should be diagnosed and resolved before resuming normal use.
How much does it cost to repair a Samsung washer DC error?
Repair costs depend on the root cause. A replacement door switch or door hook component typically costs between $15 and $60 for the part alone. If professional labor is involved, total repair costs including diagnosis and installation commonly range from $100 to $250. Wiring issues that only require connector repair or reseating may cost less if no parts need to be ordered.
Will resetting my Samsung washer clear the DC error?
A power reset, done by unplugging the washer for a minute and restarting, may temporarily clear the DC error code. However, if the underlying cause is a deformed door hook, a failing door switch, or damaged wiring, the error will return during the next cycle or the next Boil wash. A reset is useful for confirming whether the fault is intermittent, but it is not a fix. The physical components and wiring should be inspected and tested before relying on the machine again.

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