Samsung Dishwasher OE Error Code: Meaning, Causes & Fix

Over-level water error (overflow) — Samsung groups the spellings OC, 0C and oE as one code: there is more water in the dishwasher than there should be. It is not the drain code; Samsung's drain error is 5C (also SC, 5E, SE). An earlier version of this entry defined OE as the drain fault, and Samsung's published lists contradict that — corrected here.

Start with the spelling, because it is where this code is most often misread. Samsung US's dishwasher code page carries the entry in one line — 'OC, 0C, oE — Over-level water error: There is more water in the dishwasher than there should be' — and Samsung Canada's dishwasher page repeats the same three spellings with the same definition, adding that the condition is often linked to drainage problems and that the remedy is to inspect and clean the drain connections, hose, filter and sump. Three renderings, one code: which one your display shows is a matter of the display fitted to your model, not three different faults. The model family named in this article's searches makes the point concrete. Samsung's service chart for the DW80F800 and DW80F600 dishwashers prints two separate rows side by side — 'Overflow Error: oE displayed on the control panel' and 'Drain Error: 5E displayed on the control panel' — and on the display-less DW80F600 the same overflow condition is reported by the Heavy and Smart Auto lights blinking together. So on a DW80F800UWS, the machine that most OE searches are about, OE (printed oE) has always meant overflow in Samsung's own documentation, and the drain fault on the same machine is a different code entirely. Why, then, does Samsung route its over-level code to a guide titled 'dishwasher drain and overflow errors'? Because the commonest road to a tub that holds too much water is a drain path that cannot empty it — Samsung Canada says the over-level condition is 'often linked to drainage problems', and Samsung UK's OC row sends you to the filter, the drain hose and the standing water in the base. The two codes describe the same kitchen from opposite ends: 5C says the water that should leave did not leave; OE/oE says the level in the tub is higher than it should be, whatever put it there. Samsung UK's symptom list for this code is the fullest Samsung publishes, and it is worth recognising as a set: the dishwasher stops mid-cycle or will not complete the cycle; there may be water leaks or small puddles at the bottom of the door; a continuous filling sound, meaning water keeps entering; and strong detergent foam inside the tub, which Samsung attributes to the wrong detergent or excessive suds. A code that can be produced by foam is a level code, not a pump verdict — which is exactly why Samsung's handling works the level story (detergent, foam, filter, hose, standing water) before it condemns any part. (Corrected 2026-10-28.)

What causes the OE code on a Samsung dishwasher?

A drain path that cannot empty the tub

Samsung Canada's own framing for this code: the over-level condition is often linked to drainage problems, and its published solution is to inspect and clean the drain connections, the drain hose, the filter and the sump. Water that cannot leave at the rate it should leaves the level high — this is the overlap with the 5C drain error, and the first branch to work.

Water that keeps entering

Samsung UK lists a continuous filling sound — water keeps entering — among this code's presentations. A tub that is still filling when it should not be rises past its level no matter how well it drains, and the sound is the tell: filling noise that does not stop is the inlet side of the story, where a tub that fills normally and then will not empty is the drain side.

Foam being read as water

Samsung UK names strong detergent foam inside the tub as an OC presentation, caused by the wrong detergent or excessive suds. Foam fills volume and clings where plain water does not, so the level system can report an over-level tub that holds surprisingly little actual water. Hand-washing liquid or any non-dishwasher detergent in the machine is the classic route to this cause.

The level-sensing path obstructed (technician branch)

Samsung's DW80F service material for the oE code works past the drain path to the sensing path: check the sensor hose from the sump to the case brake for obstructions, check the water level in the overflow chamber on the case brake, and only if all of that is normal does the chart reach the main PCB and the case brake assembly. That end of the diagnosis is written for qualified service personnel, and it is listed here so the boundary is clear, not as an owner procedure.

Checks to run before you replace anything

1. Work Samsung UK's checklist for this code in its own order: check detergent usage, look for visible foam, check filter cleanliness, check for standing water in the base, check for kinks in the drain hose, and make sure the dishwasher is not sitting on its own drain hose.
2. Listen before you open anything. A continuous filling sound points at water still entering; a tub that filled normally and stayed full points at the drain path. Samsung UK lists the filling sound as a symptom of this code precisely because it separates the two branches — note which one you heard if you end up describing the fault to Samsung support.
3. Look at what is actually in the tub: deep foam with little water underneath is the detergent event Samsung UK describes, while plain water standing high is a level/drain event. The fix for the first is on the detergent shelf; the fix for the second is in the drain path, and confusing them wastes the work on both.
4. Follow Samsung US's standing instruction for every dishwasher code: do not try to reset or clear the code before troubleshooting it — Samsung warns that clearing first leaves the cause in place, so the error returns or the dishwasher is impaired. Note the exact spelling on your display (OC, 0C or oE) and photograph it; the spelling identifies your display type when you talk to support.
5. Check the sink side of the drain connection as part of the drain branch: Samsung's dishwasher not-draining guidance works the same short list — inspect the drain connection at the sink, check the drain hose, and clean the drain, filter and sump in the tub. If the sink itself is not draining, that is a plumbing problem upstream of anything this code can tell you.

Samsung dishwasher error code oe fix

1. Clean the drain path Samsung Canada names for this code: the drain connections, the drain hose, the filter and the sump. Reassemble the filter assembly fully and correctly, and never run the dishwasher without the filters in place — Samsung's drain guidance is explicit on both points.
2. Remove the foam cause if that is your presentation: use only dishwasher detergent, in the amount the detergent maker directs, and let a tub full of suds from the wrong product clear before judging the level system. Samsung's low-water guidance carries the matching standing instruction — make sure to use dishwasher detergent — because detergent mistakes generate level codes in both directions.
3. Straighten any drain-hose kink and lift the machine off a hose it is sitting on (both are Samsung UK checklist items, and both throttle drainage without any part being faulty).
4. If the level is still wrong with the drain path clean, the detergent correct and no continuous filling, stop at Samsung's service boundary: the remaining documented checks for this code — the sensor hose to the case brake and the overflow chamber level — are from Samsung's service chart for qualified personnel, and a confirmed over-level that survives the owner checks is a Samsung service visit, with the water supply valve closed and the breaker off in the meantime, the protective posture Samsung prints for its confirmed water-level errors.

The part that usually fails: None first

OE condemns no part at owner level. Samsung's own oE chart only reaches parts — the drain pump if the tub will not empty, and at the far end the main PCB and case brake assembly — after the tub, drain hose, sensor hose and overflow chamber checks, and that chart is written for qualified service personnel. Order nothing against this code until the level story (drain, foam, filling) has been worked.

How to reset / clear the OE code

Samsung publishes no OE reset sequence, and its US code page warns against trying to clear any dishwasher code before troubleshooting it. The code clears when the level is genuinely back to normal — drain path clear, foam cause removed, no continuous filling — and a fresh cycle runs. A code cleared by a power cycle alone, with none of Samsung's checks done, has not been reset; it has been postponed.

Samsung dishwashers clear most codes when you cancel the cycle (hold Start/Cancel for about 3 seconds so the machine drains), then cut power at the breaker for 5 minutes. Restore power and run a short cycle. Leak-related codes (LC) will return immediately if water is still sitting in the base pan — the reset cannot clear water that is physically still there.

Why does the OE code keep coming back?

An over-level code that returns quickly after cleaning is telling you which branch was missed. Foam that returns means the detergent cause is still in the machine or still on the shelf. A code that returns with a continuous filling sound was never a drain problem. A code that returns with a clean filter, a clear hose and correct detergent has exhausted Samsung's owner checklist, and its documented remainder is the sensing path — sensor hose and case brake — which is service work. Record the pattern (which cycle stage, foam or plain water, filling sound or silence) across two events; on a level code, that record is most of the diagnosis a technician starts from.

How to stop OE coming back

• A drain path that cannot empty the tub: Samsung Canada's own framing for this code: the over-level condition is often linked to drainage problems, and its published solution is to inspect and clean the drain connections, the drain hose, the filter and the sump. Water that cannot leave at the rate it should leaves the level high — this is the overlap with the 5C drain error, and the first branch to work.
• Water that keeps entering: Samsung UK lists a continuous filling sound — water keeps entering — among this code's presentations. A tub that is still filling when it should not be rises past its level no matter how well it drains, and the sound is the tell: filling noise that does not stop is the inlet side of the story, where a tub that fills normally and then will not empty is the drain side.
• Foam being read as water: Samsung UK names strong detergent foam inside the tub as an OC presentation, caused by the wrong detergent or excessive suds. Foam fills volume and clings where plain water does not, so the level system can report an over-level tub that holds surprisingly little actual water. Hand-washing liquid or any non-dishwasher detergent in the machine is the classic route to this cause.

Retrieving stored fault codes on Samsung dishwashers

Samsung dishwashers have a service/test mode on many models (entered with a button combination such as holding Normal + Power or a Delicate/Heavy pairing, model-dependent) that runs each component — fill, wash motor, drain, heater, dispenser — and displays stored codes. The combination for your model is in the service manual; the user manual does not document it.

Other Samsung dishwasher error codes

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

Codes OE gets confused with

OC — Overflow error — the dishwasher has detected too much water entering / an overfill condition. OC means the water level rose beyond what the control expects.

SC — Drain check error — the dishwasher is not draining properly (display variant of the 5C drain fault family). SC on Samsung dishwashers is the drain fault in letter form: the pump ran but the water level did not fall as expected.

5C — Drain error — the dishwasher did not drain in the allowed time. 5C (older/letter displays: SC, some OE) is Samsung's dishwasher drain fault.

7C — Water-level / wash-system error on WaterWall models — the WaterWall reflector (vane) movement is not being confirmed. 7C is specific to Samsung's WaterWall dishwashers, where a moving reflector vane sweeps the water wall across the tub instead of a rotating lower arm.

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

Frequently asked questions

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