Model NB-G110
The error code indicates that the device is in self check mode, service will be required
Model NB-G251
The display indicates a problem.
Warranty service required. For information on Warranty service select "Support Links" then "Warranty Information".
Model NB-W250S
The display indicates a problem.
Warranty service required. For information on Warranty Service select "Support Links" then "Warranty information" warranty service.