Samsung Dishwasher 9E Error Code: Water Level Sensor Fault
Quick Answer
Samsung 9E error code indicates a water level or pressure sensor fault. The sensor DD96-01018A monitors water level via air pressure in a small tube connected to the tub. A blocked or kinked air tube causes the same symptom as a failed sensor.
Most of the time when I show up to a 9E call, the sensor itself is totally fine. It's a clogged pressure chamber or a pinched hose doing all the damage. Ignore this one and you're risking a flooded kitchen or a machine that just stops mid-cycle permanently. The control board can't do its job without that water level reading, so it just gives up and throws the code.
Phillips #2 screwdriver, Multimeter with continuity and resistance modes
What Does the 9E Code Mean?
I see this 9E code a ton on Samsung units that've been running three or four years, especially in hard water areas. The sensor itself doesn't fail that often, honestly. I always start by checking for gunk inside that pressure port because even a tiny bit of mineral scale or food grease can fool the whole system. Worth spending 10 minutes checking the tube before you order any parts.
Most Likely Causes
Based on aggregated repair data, here is the probability breakdown for this error code:
Air pressure tube to sensor blocked or kinked40%
Water level sensor DD96-01018A failed24%
Mineral scale buildup inside sensor housing14%
Control board sensor input circuit failure12%
Wiring harness to sensor loose or corroded10%
Symptoms You May Notice
The 9E code pops up during the fill cycle, usually within the first two or three minutes after you hit start, before there's even much water in the tub.
Machine fills, you can hear the water running, then it just stops. Pump cuts out, error code appears, nothing else happens.
Sometimes it won't fill at all. You start a cycle, hear the inlet valve click, and almost immediately get 9E with maybe a cup of water sitting in the bottom.
Water levels get weird and inconsistent over several cycles, sometimes way too much water, sometimes barely covering the heating element.
You reset it and it runs fine for a cycle or two, then 9E comes back. That on-and-off pattern usually points to the air tube, not the sensor.
Can you reset a Samsung dishwasher to clear the 9E code?
Press and hold the Start/Cancel button for about three seconds until the display clears. If the 9E code comes right back, that's a real fault, not just a stored code. Flip the breaker off and leave it off for five full minutes, then turn it back on. The board recalibrates the sensor reading from scratch on the next fill cycle. Run a short rinse-only cycle to confirm the error's actually gone before loading dishes.
Tools Required for Diagnosis
Phillips #2 screwdriverMultimeter with continuity and resistance modesFlashlight or headlampContact cleaner spray (CRC QD or equivalent)Pipe cleaner or thin flexible wire for clearing the air tubeSmall towels or a shallow bowl to catch residual water in the base
Diagnostic Checklist
Follow these steps in order. We start with the easiest external fixes before opening up the machine.
ComponentComponent Under Test
Expected Range0–50 ohms
ConditionIf Open (OL) or infinite, replace component.
Replacement Parts
If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.
Part Name
OEM Number
Estimated Price
Water Level SensorDD96-01018A · $15–$28
DD96-01018A
$15 – $28
Frequently Asked Questions
What does 9E mean on a Samsung dishwasher?
The 9E code means your dishwasher's control board can't get a reliable water level reading. There's a small pressure sensor in the base of the unit that monitors how much water is in the tub by measuring air pressure in a tube connected to the sump area. When that sensor sends a signal that's out of range, or doesn't change at all when the pump is running, the board shuts the cycle down as a safety measure. Without knowing the water level, the machine could overflow. It's actually doing you a favor by stopping early instead of dumping water on your kitchen floor.
Is 9E the same as PC on Samsung dishwashers?
They're related but not identical. Both involve the pressure sensing system, but PC usually shows up on the newer WaterWall models and points to a communication error between the zone assembly and the main board. Classic 9E on standard rotary arm models means the sensor signal itself is out of range or missing entirely. If your model shows PC, check the WaterWall water guide assembly before you start chasing pressure sensor parts. If it's showing 9E, start with the air tube. Different fix, different part, even though they look similar on the surface.
Can I fix the 9E error myself or do I need to call a tech?
Honestly, most of the time you can handle this yourself. Checking and clearing the air tube takes maybe 15 minutes and a Phillips screwdriver, and it's the fix probably 40% of the time. Replacing the sensor DD96-01018A is about a 30-minute job if you're reasonably handy, and the part runs $25-40 online. Where it gets tricky is if the control board is actually the problem. Board replacement on these Samsung units can run $150-200 for the part alone, and at that point you're better off having a tech confirm the diagnosis before spending that kind of money on a guess.
How much does fixing a 9E error typically cost?
Depends entirely on what's actually bad. If it's just a clogged air tube, it costs you nothing but 20 minutes of your time. A new water level sensor DD96-01018A runs about $25-45 depending on where you buy it and it's an easy swap. If the harness connector is corroded beyond saving, figure $15-20 for a replacement pigtail connector. Worst case where the main control board is the culprit, you're looking at $150-250 for the part plus labor if you're not doing it yourself. I replaced three of these sensors just last week, and only one of those calls actually needed the sensor replaced. The other two were clogged tubes.
How do I know if the sensor is bad or if it's just the tube?
That's exactly the right question to ask before you order anything. Pull the kickplate, find the air tube, and blow through it from the sensor end toward the tub. If it's totally clear, disconnect the sensor's wire harness and check the pins for corrosion. Then use your multimeter in continuity mode and test the sensor terminals with no air pressure on it. You should see a closed circuit. If the tube was clean, the connector looks fine, and the sensor shows an open circuit when it shouldn't, the sensor's bad. If you found a blockage in the tube and cleared it but the error still comes back, look harder at that harness connector because a partially corroded pin can pass visual inspection and still cause intermittent faults.