Samsung Dishwasher Error Code dC2 — What It Means & How to Fix It

What Does This Error Mean?

The dC2 error means your Samsung dishwasher cannot confirm the door is fully closed and latched. The machine has a door switch that must detect a secure latch before any cycle can start. This is a safety feature — running with an open door would flood your kitchen floor. Most of the time this is a simple fix: something is blocking the door, or the latch needs cleaning or adjustment.

Affected Models

DW80R9950UG
DW80T9940US
DW80R5061US
DW80T5550US
DW80K5050US
Most Samsung dishwashers

Common Causes

A dish, utensil, or tall item in the rack is sticking out and preventing the door from closing fully
The door latch hook or latch receiver has food residue or debris buildup stopping a proper engagement
The door hinge has sagged or shifted slightly, causing the latch to misalign
The door latch switch has failed and cannot send the 'closed' signal to the control board
The door gasket has swollen or bunched up and is acting as a gap between the door and the tub

How to Fix It

Open the dishwasher and check all racks. Make sure no dishes, utensils, or pot handles are sticking out beyond the rack edge.

A single tall item protruding just an inch can be enough to stop the door from closing fully.
Close the door firmly and listen for the click of the latch engaging. The door should feel solid and not bounce back when you let go.

Press the door gently with both hands at the top and middle. If one side closes but the other doesn't, the hinge or latch may be misaligned.
Inspect the door latch area on both the door and the tub frame. Wipe away any grease, food residue, or soap scum from the latch hook and the latch receiver.

The door switch is inside the latch housing — debris can prevent it from clicking into the 'closed' position properly.
Check the door gasket (the rubber seal around the tub opening). Make sure it is seated evenly in its groove and not bunching up at any point.

A gasket that has slipped out of its groove creates a visible gap that prevents a proper seal and latch.
Unplug the dishwasher for 2 minutes, then plug it back in and try closing the door again.

If the error still shows with the door clearly latched, the door switch itself has likely failed and needs replacing.

When to Call a Professional

If clearing obstructions and cleaning the latch do not fix dC2, the door latch assembly or door switch likely needs replacing. Door latch replacement costs $60–$130 including parts and labor. Hinge adjustment or replacement runs $80–$180. A technician can confirm the fault quickly — the door switch can be tested with a multimeter.

Frequently Asked Questions

What is the difference between dC2 and dE on a Samsung dishwasher?

Both codes relate to the door not being properly closed. dE is the general 'door open' error — the door is open or was opened mid-cycle. dC2 is more specific — it indicates the door latch mechanism itself is not completing the lock action, even if the door appears closed. dC2 often points to a mechanical latch issue rather than a simply open door.

Can I push the dishwasher door harder to make the latch engage?

Only use gentle, even pressure. Forcing the door hard will not fix a misaligned latch and can crack the door panel or damage the hinge. If the latch is not engaging with normal closing pressure, there is a physical reason — check the racks, the gasket, and the latch itself before using more force.

How long does a dishwasher door latch last?

A dishwasher door latch typically lasts 5 to 10 years under normal use. Frequently slamming the door shortens its life considerably. Mineral buildup from hard water can also clog the latch mechanism over time. Cleaning the latch with a damp cloth every few months helps keep it working smoothly.