Samsung Dishwasher Error Code 7E
Water wall reflector error — water wall sensor blocked
On Samsung Water Wall dishwashers, the reflector that guides the water wall's sensor beam is obstructed or the sensor has failed. The water wall cannot position itself correctly.
What Does Error Code 7E Mean on a Samsung Dishwasher?
Water wall reflector error — water wall sensor blocked.
On Samsung Water Wall dishwashers, the reflector that guides the water wall's sensor beam is obstructed or the sensor has failed. The water wall cannot position itself correctly.
What Causes Error Code 7E?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Large item blocking water wall reflector strip 55% of cases
- 2 Reflector strip dirty or discolored 30% of cases
- 3 Water wall motor or sensor failure 15% of cases
How to Fix Samsung Dishwasher Error Code 7E
- 1
Check for obstructions
Ensure no large pots or pans are blocking the bottom rack reflector strip.
- 2
Clean the reflector strip
Wipe the silver reflector strip on the bottom rack with a damp cloth.
- 3
Check water wall motor
The water wall should move back and forth during the wash. If stationary, the motor has failed.
🔩 Samsung Water Wall motor assembly ($80–$160)
How to Reset Error Code 7E
Clear obstructions and restart. If 7E persists, the water wall motor may need replacement.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
When to Call a Professional
Water Wall motor replacement requires Samsung-authorized parts and careful disassembly.
Find Replacement Parts
Use these links to find the exact replacement parts for your Samsung Dishwasher:
External links — ApplianceErrors.com is not affiliated with these retailers.