ErrorCodeDoctor
LG Dishwasher n:xx / u:xx / d:xx error code
n:xx, u:xx, and d:xx are not error codes. They display the version information of the dishwasher's controller software. This screen occasionally appears on the display and simply shows internal firmware or software version data. No repair is needed — turning the unit off and back on clears the display immediately.
Common causes
- Controller version information was triggered and appeared on the display
- Display showed firmware or software version data during normal operation
How to fix it
-
1
Press the POWER button to turn the dishwasher off
-
2
Press the POWER button again to turn it back on
-
3
The version display will clear and the unit will return to normal operation
Related LG Dishwasher error codes
bE
The wrong type of detergent was used or the dishwasher is not level
CL
Child lock or control lock is active — buttons are disabled
AE / E1
Water has leaked into the base of the dishwasher and activated the float switch
IE
The dishwasher did not fill with enough water within 10 minutes
n:xx / u:xx / d:xx error — frequently asked questions
What does the n:xx / u:xx / d:xx error mean on a LG dishwasher?
The controller version information is being displayed — not an error
What causes the n:xx / u:xx / d:xx error?
The n:xx / u:xx / d:xx error is usually caused by: Controller version information was triggered and appeared on the display; Display showed firmware or software version data during normal operation.
Can I fix the n:xx / u:xx / d:xx error myself?
Yes — this is rated an easy fix that most people can do themselves, typically in 1m.
How much does it cost to fix the n:xx / u:xx / d:xx error?
Fixing the n:xx / u:xx / d:xx error on a LG dishwasher typically costs $0, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my dishwasher with the n:xx / u:xx / d:xx error?
In most cases yes, but it's best to address the n:xx / u:xx / d:xx error soon — see the fix steps below to resolve it.