Samsung Dishwasher 9E Error Code — What It Means
The 9E code means the water level sensor read a low level for several seconds during the wash cycle. The dishwasher needs a minimum amount of water to wash and protect the pump.
This points to either not enough water coming in or a sensor that is misreading the real level.
Common Causes
- Restricted water supply A partly closed valve or kinked hose lets in too little water to reach the wash level.
- Clogged inlet valve Sediment in the inlet valve slows the fill so the level never reaches the target.
- Stuck float switch A float jammed in the up position tells the control the tub is full when it is not.
- Failed water level sensor A bad level sensor reports low water even when the tub is filled.
- Drain leak or siphon Water siphons out through a low drain hose so the level keeps dropping.
- Clogged filter or hoses Debris in the filter or hoses restricts flow and starves the wash.
Step-by-Step Fix
- Confirm the under-sink supply valve is fully open and the fill hose is not kinked.
- Turn off water, disconnect the fill hose, and clean the inlet valve screen of sediment.
- Clean the filter assembly at the bottom of the tub and clear any debris in the sump.
- Find the float in the tub bottom and confirm it moves up and down freely.
- Check the drain hose loop and standpipe height so water is not siphoning out.
- Reset the dishwasher, restore water, and run a rinse while watching the fill level.
- If the tub fills but 9E still shows, test or replace the water level sensor or float switch.
Parts Often Needed
| Part | Notes |
|---|---|
| Samsung dishwasher water inlet valve | Amazon | Replace a clogged or weak valve, matched to your model. |
| Dishwasher float switch | Amazon | Order if the float sticks or the switch fails to read the level. |
| Water level sensor | Amazon | Only if the model uses a serviceable sensor that misreads. |
When to Call a Pro
If the supply is good, the inlet valve is clear, and the float moves freely but 9E persists, the level sensor or control board may be misreading. A technician can meter the sensor and board to find the real fault.