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Samsung Dishwasher Error Code LE: What It Means and How to Fix It

Samsung dishwasher guide · Decoded from manufacturer documentation · Safe homeowner checks only

What is happening inside the machine

Under the tub, at the lowest point of the chassis, Samsung places a moisture sensor in a shallow base tray. The tray is a deliberate catch basin: any water that escapes the sealed wash space, whether it weeps from a pump seal, creeps past a door corner, or sloshes over the tub lip as foam, is funnelled down into it. When water bridges the sensor, the control treats the event as a leak in progress. It stops the cycle, often runs the drain pump to empty the tub, and displays LE, shown as LC on some model families, until the sensor area is dry again. The sensor is honest but not clever: it reports the presence of water, never the reason for it. That distinction runs this whole guide, because the two roads into the tray demand opposite responses. A real leak needs a part and will keep refilling the tray until it gets one. A foam trip needs nothing but drying and a detergent correction, because foam is mostly air expanding far beyond the water volume that made it, climbing the tub walls and spilling into a base that has no leak at all. Installation damp and a leaning machine complete the picture: tray water from transport, or a few spoonfuls pooled at the sensor end of an unlevel tray, trip the same code with no fault anywhere. Bosch owners meet the identical physics as a float switch in our Bosch E15 guide.

Finding the cause

Start by reading the pattern of the trip

When the code appears is the strongest evidence you will get, and it is free. LE straight after a frothy cycle, with suds visible in the tub, is foam until proven otherwise. LE that arrives in the middle of the night on an idle machine means water is moving under mains pressure with nothing running, which points at the inlet side and is a genuine leak. LE in the first week after installation is usually leftover tray damp or a levelling problem. Write the pattern down before you dry anything, because drying erases it.

Dry the base properly, not just the sensor

Switch the dishwasher off at the breaker or unplug it, and close the under-sink water supply valve before touching the machine. Remove the kick plate and soak up every trace of water you can reach with towels and a sponge, working a torch into the corners. For water you cannot reach, the tilt dry method works: with power and water off, ease the machine forward only as far as the hoses comfortably allow and tilt it gently back so tray water runs out onto a laid towel, with two people and slow movements. Never pull against a taut hose or cable.

Give the sensor air time before judging it

A tray that feels dry to a fingertip can still hold a damp film around the sensor itself, and the code will persist until that film goes. Leave the kick plate off and the machine off for several hours, ideally overnight, after the visible water is gone. A code that clears after honest drying and stays away through a watched cycle was reporting water, correctly, that is no longer there.

Check the level before hunting for drips

Put a spirit level across the front edge and along the side of the tub. A leaning dishwasher does not spread tray water thin to evaporate; it pools the water at the low end, frequently right where the sensor sits, so a few spoonfuls from any minor source become a trip. Adjust the feet until the machine sits level front to back and side to side. A machine that settled into a soft floor can develop this fault months after a perfect installation.

Let a watched test cycle name the leaking part

Restore water and power, leave the kick plate off, and run the shortest hot cycle while watching the base with a torch. Lay dry paper towel under the pump area and hose joints: a fresh drip marks the towel within minutes and names the part, a pump seal weeping under pressure, a hose joint, or a damp trail tracking down from a door corner gasket. No drip through a full cycle, after a sudsy load caused the original trip, confirms the foam diagnosis with evidence rather than hope.

Audit the detergent last, because it decides whether this repeats

Confirm nobody reached for hand dish soap, check the dose against your water softness, and wipe up any rinse aid spill inside the door. Soft water homes need far less detergent than the pod in the box delivers, and the excess has nowhere to go but up as foam. This audit is the difference between a fix and a pause.

Reading the results

Fixing it

1. Isolate the machine, five minutes. Power off at the breaker or wall, and close the under-sink supply valve. The machine has already told you it holds water in the wrong place.
2. Dry the tray, twenty minutes of work plus air time. Towels and a sponge through the kick plate opening for reachable water, the two person tilt method for the rest, then several hours with the kick plate off so the sensor film dries completely.
3. Level the machine, about fifteen minutes. Adjust the feet against a spirit level on both axes, because a lean guarantees the next small spill finds the sensor again.
4. Run the watched test cycle, one short cycle of attention. Kick plate off, torch in hand, paper towel under the suspects. This cycle is the fix and the proof at once: dry towel, correct diagnosis, or a marked towel naming the part.
5. Correct the detergent, five minutes. Right product, dose matched to water softness, rinse aid spills wiped. This closes the foam road into the tray.
6. Replace the named hose, seal or gasket if the towel marked one. That is the service repair, quoted against a part you have already identified, which keeps the visit short and honest.

Costs

All prices on this page are estimates based on typical US parts and service pricing. Your model, region and the actual failed part will move the real figure.

Repair or replace: hose, seal and gasket repairs sit comfortably below the value of any healthy dishwasher and are worth fitting. Replacement only makes sense when a leak has been running long enough to damage the control area or the floor structure, which is a damage question rather than a parts question.

Mistakes that make it worse

• Drying the tray and resetting without a watched cycle. A real drip refills the base within a cycle or two, and each refill wets more of the machine than the last.
• Repeatedly power cycling a code that will not clear. A sensor still sitting in damp does not need more resets; it needs more drying time, and the distinction saves a pointless service call.
• Tilting the machine while it is still connected and live. The tilt method starts with power off and the water valve closed, every time, and stops the moment a hose goes taut.
• Switching to extra detergent to compensate for poor cleaning on the next load. That is how a one off foam trip becomes a weekly one.

More codes for this machine live in the Dishwasher Error Codes hub.

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