NCR RealPOS 5953 User Manual page 78

6-4 Chapter 6: Hardware Service
Symptom
No display (Green
LED)
No display (orange
LED)
Probable Cause
Internal LCD cable loose
Internal backlight harness loose
7452/7453/PC: Unit in standby
mode (screen blank)
PC or workstation not turned on. Turn PC or workstation ON
Cables loose
Solution
Re-seat the LCD harness at the
DynaKey Controller Board
and LCD ends.
Ensure that the backlight
harness is securely fastened to
the DynaKey Controller Board
Return unit from standby as
required by application.
Ensured Keylock not in L
position.
Ensure all cables are securely
fastened