On the covered Samsung dishwasher platform, 7E means waterwall reflector error: the reflector is not able to move correctly. First, remove any loading or packing obstruction from the reflector's path. Make sure nothing blocks the reflector, and write down the result before moving to the next check.
Differential
Likely causes of “Samsung dishwasher code 7E”, and how to tell them apart
- 1
Something blocking the reflector
What separates it A pot handle, large knife or ladle sticks into the reflector's path
How to confirm Make sure nothing blocks the reflector, and write down the result before moving to the next check
- 2
Packing tape left on the guide rail
What separates it The dishwasher was recently installed, which points to packing tape left on the guide rail
How to confirm The packing tape runs along the top of the guide rail; remove the bottom rack to reach it
- 3
A reflector installed backwards
What separates it The WaterWall logo does not face forward and upwards
How to confirm Lift the vane off, turn it around and reseat it on the gray shuttle
Before you touch a setting
Record this first — changing settings destroys the evidence
- The exact characters shown on the display: 7E or 7C
- Whether the dishwasher was recently installed
- Which way the WaterWall logo faces
- Whether anything sits in the reflector's path
Try in this order
0 of 6 completedWhat to do first
ReversibleRemove any loading or packing obstruction from the reflector's path.
Correct only the documented fault domain
ReversibleSamsung points to its guide for the Waterwall reflector error for the full steps.
Check for blockage
ReversibleLook for a pot handle, large knife or ladle blocking the reflector, and on a new install remove the packing tape.
Check the position
ReversibleIn the correct position the WaterWall logo faces forward and upwards.
Reseat the vane
ReversibleIf it is wrong, lift the vane off, turn it around and reseat it on the gray shuttle on the WaterWall rail.
Power cycle
ReversibleSwitch the breaker off for two minutes and on again to clear the code.
Model-specific
What is true of this model and not of its siblings
- Displayed as
- 7E, 7C.
- Parts named
- Waterwall reflector; vane; gray shuttle; rail.
Stop boundary
When this stops being a self-service repair
- !Switch off power at the breaker before you reach into the tub
- !A service visit is not covered under warranty if no defect is found; be sure the vane is right first
Evidence ledger
Sources behind this answer
Where the manufacturer's article stops. The two minute power cycle is Samsung's own.
Exact questions
Common questions
What does 7E mean on a Samsung dishwasher?+
Waterwall reflector error: the reflector is not able to move correctly.
Does it need service?+
Samsung says it is exceptionally rare that it does.
How do I clear the code?+
Fix the vane, then switch the breaker off for two minutes.