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Samsung dishwasher code 0E: what it means and what to check

Your Samsung dishwasher may flash 0E, oE, or OE, then stop before it washes or start draining right away. This page explains what the code means, what you can safely check from inside the tub, and what a technician tests if the code comes back.

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What the display shows
Straight answer

Samsung dishwasher code 0E means the dishwasher thinks the water level is too high, or it can't drain well enough to keep the level where it should be. The most common cause is a blockage in the fine filter, sump, drain path, or the small case-break sensor hose.

Check these first

Safe to do yourself. Unplug the appliance before you start.

  1. Let it cool, then open the tub

    If the dishwasher just ran, crack the door and let hot water and steam settle before reaching into the bottom. Remove the lower rack so you can see the filter area in the center of the tub.

  2. Clean the fine filter and sump

    Turn the filter handle counterclockwise, lift out the filter door, then remove the flat microfilter underneath if your model has one. Rinse the parts, wipe debris from the sump pocket, then lock the filter door back in place. Samsung says this clears the issue most of the time on WaterWall models with 1E or OE.

  3. Look for a kinked or low drain hose

    Check the drain hose under the sink, and only any section you can see without moving the dishwasher. A sharp bend, crushed section, missing high loop, or low hose connection can leave water in the tub and trigger the code.

  4. Run an empty cleaning cycle

    If the filter was dirty, run the dishwasher empty after cleaning it. A dishwasher cleaner, or a bowl with white vinegar placed in the rack, may help loosen soft buildup in the drain hose.

  5. Power reset once

    Turn power to the dishwasher off at the breaker for five minutes, then restore power and start a normal cycle. If 0E returns, treat it as a real water-level or drain fault rather than a display glitch.

Dishwasher tub with the filter in the floor under the lower spray arm and the drain hose to the sinkFilter (twists out)Lower spray armDisposal or air gapDrain hose
The filter sits in the tub floor under the lower spray arm. Water leaves through the drain hose to the disposal or an air gap at the sink.
When it's a repair

When the inside filter and visible drain hose look clean, a technician usually goes to the left-side case break, also called the water panel, because it contains the overflow sensing area and small passages that clog. Next in line are the small sump-to-case-break hose, the drain pump, then the main control board after clogs and pump readings check out. Repair value depends on age, condition, and history. A unit with rack rust, tub damage, or repeated water faults may be a poor repair choice.

Models where this shows up most

Samsung lists OC, 0C, and oE as over-level water errors on display models, and its WaterWall support also mentions 1E or OE with fine-filter and sump cleaning. Case-break layouts vary, so confirm the full model number before applying DW80F, DW80J, DW80K, DW7933, DMR, DMT, or DB model-list advice.

Error code lists

Every Samsung dishwasher error code in one table, with what each means and what to check first →

Have the model number ready

The company will ask for it first. It's on a sticker or metal plate, usually in one of these spots:

Where the model tag usually is on a dishwasher12
  1. Open the door: on the left or right edge of the tub or door
  2. Some models: on the top edge of the door
Worth knowing

Conditions that make this more likely

The house drain can be the real problem

Older homes often have narrow or partly blocked standpipes and drain lines. If the machine's own filter and hose are clear, the house drain is the next suspect, and that's a plumbing call rather than an appliance call.

Boards fail earlier in hot rooms

Electronics are rated for room temperature. In a garage or an unconditioned laundry room in summer, a control board can sit well above that for hours a day. Before replacing a board, a good technician confirms the parts it controls test good, since a shorted pump or valve can take out a new board too.

What a technician tests

Most likely part first. These are for a technician with a meter and the tech sheet, not a weekend project.

PartHow it's tested
Case break assembly, water panelA technician removes the left side panel and watches the small overfill chamber in the case break. If that chamber stays high while the tub itself is not overfilled, the sensor area or the sump feed passage is suspect.
Sump-to-case-break sensor hoseThe small hose from the sump to the case break is pulled and cleared with air or water flow. A telltale sign is a plug that releases with a pop, then the case-break water level stays lower during fill.
Fine filter and sumpThe filter door, flat microfilter, and sump pocket are checked for packed food soil or a blocked drain inlet. The filter door must lock back in place, because a loose filter lets debris move back into the sump.
Drain pumpThe pump is inspected for a stuck foreign object in the impeller area, then checked with power off and the connector unplugged against the model tech sheet. An open winding, seized impeller, or reading outside that model's spec points to a failed pump.
Main control boardAfter the sensor path is clear and the drain pump tests properly, the board becomes a suspect if it keeps reporting 0E. The technician checks for damaged board areas and verifies that the pump and water-level inputs respond during a test cycle.

Don't see your symptom?

Describe it on the phone. The company on the other end works on these every day and will know what to ask.

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Common questions about appliance repair

Is Samsung dishwasher code 0E the same as OE?

Yes. Many displays make the letter O look like zero, so homeowners search for both 0E and OE. On these dishwashers it points to the same water-level or drain problem.

Can I reset a Samsung dishwasher 0E code?

You can try one breaker reset for five minutes. If the code comes back during fill or drain, cleaning and testing are needed.

Does 0E mean the dishwasher is actually flooding?

Sometimes, but often the tub is not truly overfilled. The case-break sensor chamber can read high if the small passage from the sump is clogged.

Do I need to pull the dishwasher out?

For the filter, sump, and visible drain hose, no. Accessing the case break, internal hoses, drain pump, or control board usually means pulling the unit out and should be handled by a technician.

Is this covered by warranty?

If the dishwasher is still under Samsung coverage, check your documents before authorizing a repair company to replace parts. Clogged filters and debris may be treated differently than a failed part.

Still showing the problem after the checks?

Call and describe what you tried. You'll be connected with an independent repair company near you.

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