Samsung Dishwasher Error Code 7E — WaterWall / Reflector Error
What this means
The 7E error code appears on Samsung WaterWall dishwasher models and indicates the WaterWall reflector (the mechanism that sweeps water back and forth across the dishes) is not moving properly. This can be caused by a dish or utensil blocking the reflector's path, a failed reflector motor, or a wiring issue.
Step-by-step fix
3 stepsCheck for obstructions
Open the dishwasher and check the bottom of the tub. Make sure no dishes, utensils, or large food debris are blocking the WaterWall reflector from moving side to side along its track.
Long utensils or pot handles that hang below the lower rack are common culprits.
Clean the reflector track
Inspect the track that the WaterWall reflector slides along (at the bottom rear of the tub). Clean any debris, grease, or food buildup from the track and the reflector's moving parts.
Use a damp cloth and a toothpick to clean the track grooves.
Manually move the reflector
With the dishwasher off, gently try to slide the WaterWall reflector along its track by hand. It should move smoothly from one side to the other. If it's stuck or very stiff, the motor or mechanism may be damaged.
Do not force it — if it won't move, the motor gear may be stripped.
When to call a professional
If the track is clear and the reflector still won't move, the WaterWall motor assembly likely needs replacement. This is located under the tub and requires partial disassembly by a technician.
Related error codes
Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.
Learn more about our sourcesParts you may need
WaterWall Reflector Motor Assembly
Part #DD94-01006A · $60–$120
If motor is not operating and track is clear
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