OE is the overflow version of Samsung's overfill codes. It appears on certain model variants where OC is used on others.
When I see an OE code, I immediately check if the tub is actually full or if the sensor is just lying. If water is creeping up while the power is off, you have a bad inlet valve. If the tub is empty but the code stays on, a piece of debris or a rogue spoon is usually jamming the float switch in the UP position. This is a critical safety code designed to prevent your kitchen floor from flooding.
Phillips #2 screwdriver, Flathead screwdriver for prying access panel clips
What Does the OE Code Mean?
In the field, I treat OE as a hardware safety trigger. Samsung dishwashers use a simple mechanical float to break the circuit when water gets too high. If you hear water trickling in while it's supposed to be off, the inlet valve diaphragm's probably failed. If the machine's bone dry, that float's stuck on a bit of glass or mineral buildup. Pretty common on the whole DW80 line.
Most Likely Causes
Based on aggregated repair data, here is the probability breakdown for this error code:
Float switch stuck in raised (tripped) position40%
Inlet valve solenoid stuck open - continuous water fill24%
Control board relay holding inlet valve open22%
Float cap jammed by debris or a fallen utensil14%
Symptoms You May Notice
OE code fires within the first 60 seconds of starting a wash, right during the initial fill phase before the machine's even had a chance to do anything.
You open the door and water is sitting way higher than normal, well above the heating element, almost like someone left the garden hose running in there.
You can hear slow water dripping or trickling into the tub even though the machine is completely powered off. That's not normal. That's a failing inlet valve.
The machine won't run at all and just throws OE the second you hit Start, even though the tub looks completely dry when you open the door.
Code keeps coming back within a minute or two no matter how many times you reset it, because whatever's triggering it is still physically there.
Can you reset a Samsung dishwasher to clear the OE code?
You can clear the display by holding the Start or Cancel button for three seconds, but the code will pop right back up if that float is still stuck. If the tub is full, you must drain it manually before the reset will stick. I usually suggest a power cycle at the breaker for one minute if the control board seems hung up on the error.
Tools Required for Diagnosis
Phillips #2 screwdriverFlathead screwdriver for prying access panel clipsFlashlight or headlampTowels or a small shallow bucket for water removalNeedle-nose pliers for wire connectorsMultimeter for testing inlet valve solenoid continuity
Diagnostic Checklist
Follow these steps in order. We start with the easiest external fixes before opening up the machine.
ComponentComponent Under Test
Expected Range200–600 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
Float SwitchDD66-00057A · $12–$22
DD66-00057A
$12 – $22
Water Inlet ValveDD62-00136A · $25–$42
DD62-00136A
$25 – $42
Frequently Asked Questions
What is the difference between OC and OE on Samsung dishwashers?
Samsung used OE on older digital display models and switched to OC on newer touch-panel units, but the underlying logic is identical. Both codes trigger when the float switch circuit stays open too long. If you're shopping for parts or watching repair videos, search for either code and you'll find the same stuff. They use the same inlet valves and float assemblies across almost the entire DW80 line, so a fix video for OC applies directly to your OE situation.
How do I know if my Samsung float switch is bad?
Do the click test. Lift the dome and you should feel a tiny microswitch engage. If the dome feels mushy with no click, or if it stays up when you let go, it's definitely bad. Sometimes mineral deposits from hard water build up on the stem under the dome causing it to drag. You can try cleaning it with white vinegar and a soft brush, but honestly, once that plastic stem starts sticking, it's safer to just replace the whole assembly. The part's only about $15 to $20 and it's not worth gambling on a flood.
Can I fix the OE error myself or do I need to call a tech?
The float switch fix is totally DIY-able. No special tools, just a flashlight and maybe a screwdriver to pull the lower rack out for better access. Inlet valve replacement is more involved but still well within reach for a confident DIYer. You're removing the lower access panel, disconnecting a couple of water lines and wire connectors, and swapping the valve. About an hour if you've done basic appliance work before. If the control board is the culprit, that's when I'd call a tech, because diagnosing a board without a wiring diagram gets frustrating fast.
How much does it cost to fix a Samsung OE error?
Float switch assembly runs about $15 to $25 for the part. If you're doing it yourself, that's your whole bill. An inlet valve is typically $40 to $75 depending on your specific model. If you're calling a tech, add $100 to $150 for labor and you're looking at $150 to $225 all in for a valve job. I replaced three inlet valves last week on DW80 units and the average ticket came out around $185 with parts. Control board replacement is a different story. Those can run $200 to $300 for the part alone, at which point you need to think seriously about whether the machine's worth fixing versus just replacing it.
Is it safe to keep using the dishwasher with an OE code showing?
No. Don't run it. The OE code means the safety float did its job and shut things down before a flood happened, but if your inlet valve is failing and still dripping water in with the machine off, you could absolutely come home to a flooded kitchen if you leave it unattended. Shut off the water supply valve under the sink until you've diagnosed and fixed the problem. Takes ten seconds to turn that valve and it completely eliminates the flood risk while you figure out what's going on.