Rockwell Automation 6185-F RAC6185 Industrial Flat Panel Monitors User Manual - Manual (Page 38)

Publication 6185-UM006A-EN-P - July 2002
5-2 System Troubleshooting
Troubleshooting Solutions Refer to this table to help identify the cause and offer a solution to a problem.
This table lists typical problems you may encounter.
Table 5.A Troubleshooting Table
Symptom Action
No picture Verify that the power cord is connected.
Test outlet by plugging in a properly functioning device.
Replace power cord.
Have monitor serviced.
“No Connection, Check Video Signal Cable”
appears Check the video cable connection between the computer and monitor.
Use the self-test feature. Refer to Self-Test on page 5-1.
Screen is blank Disable screen saver.
Adjust the Brightness and Contrast settings using the OSD. Refer to OSD Menus and
Adjustment Instructions on page 3-8.
Replace suspected faulty cable.
Video Mode is not supported Check the maximum resolution and the frequency on the video port of your computer.
Picture is scrambled Check the video cable connection between the computer and monitor.
Perform Auto Setup. Refer to Performing Automatic Setup on page 3-5.
Picture is not clear Adjust Fine and Coarse settings as needed using the OSD menu. Refer to OSD Menus
and Adjustment Instructions on page 3-8.
Picture is fuzzy Perform LCD Monitor reset.
Eliminate unnecessary accessories such as video extension cables.
Vertical shaded bars on screen image Image Lock not properly adjusted. Reset the Horizontal positioning using the OSD.
Refer to OSD Menus and Adjustment Instructions on page 3-8
Display is present, but “bars” appear across it
or roll through it Eliminate ground loops by connecting monitor and computer to the same power source
location or installing an AC isolation transformer.
Picture bounces or has wavy oscillations
Picture has blurry streaks or “ghosting” to the
right of objects on the screen Check the video cable connection between the computer and monitor.
Adjust the Contrast settings using the OSD. Refer to OSD Menus and Adjustment
Instructions on page 3-8.
Images are too bright or too dark Adjust the Brightness and Contrast settings using the OSD. Refer to OSD Menus and
Adjustment Instructions on page 3-8.
Image is not stable Check for proper video cable installation. Replace suspected faulty cable.
Screen jitter or noisy video Check for proper video cable installation. Replace suspected faulty cable.
Reroute cables or replace suspected faulty cables.
Check host and monitor grounding.
Monitor out of adjustment. Redo Coarse and Fine adjustments. Refer to OSD Menus
and Adjustment Instructions on page 3-8.
Image is dim, even with brightness, and
contrast controls set full UP Check for proper video cable installation. Replace suspected faulty cable.
Test video source by connecting to another monitor that you know is operational.