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5-2 Chapter 5 Troubleshooting
Detailed Problem Troubleshooting
For diagnostics instructions, refer to Chapter 6 of this guide.
Indication Possible Cause Action
Display is dark
(backlight is off).
Automatic display
blanking activated
S
end Host Command.
No power
Check power
connections.
Power supply/ adapter
failure
Try a new power
supply.
5992 awaiting host
commands
Send host command.
Improper cable
connections
Check all cable
connections.
Interface cable failure
Replace or repair the
damaged cables.
5992 failure Replace the 5992.
Contact the NCR
Support Center.
Display is dark but
readable.
Power supply/ adapter
failure
Try a new power
supply.
5992 failure Try another 5992.
Contact the NCR
Support Center.
Display is faint. Screen contrast is set
improperly
Set screen contrast.
5992 failure Try another 5992.
Contact the NCR
Support Center.
Display is blank Improper cable
connections
Check all internal
cable connections.