Allen-Bradley VersaView 1200M, User Manual

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Publication 6186M-UM001D-EN-P
5-2 System Troubleshooting
Troubleshooting Solutions
Refer the table below to help identify the cause and possible solution
to a problem. This table lists typical problems you may encounter.
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 Sync” or “No Signal, going to sleep”
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 Adjusting Monitor
Using the On-screen Display (OSD) on page 3-7.
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 Adjusting
Monitor Using the On-screen Display (OSD) on page 3-7.
Picture is fuzzy Perform LCD Monitor reset.
Eliminate unnecessary accessories such as video extension cables.
Vertical shaded bars on screen image Image Lock is not properly adjusted. Reset the Horizontal positioning using the OSD.
Refer to Adjusting Monitor Using the On-screen Display (OSD) on page 3-7.
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 Adjusting Monitor Using the
On-screen Display (OSD) on page 3-7.
Images are too bright or too dark Adjust the Brightness and Contrast settings using the OSD. Refer to Adjusting Monitor
Using the On-screen Display (OSD) on page 3-7.
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 Adjusting
Monitor Using the On-screen Display (OSD) on page 3-7.
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.