Orion XC Installation and Operation Manual
117
Blank Screen
Figure 111. Troubleshooting Blank Screen
Problem
Possible Reason
Solution
Monitors remain blank after
switching operation
Switching to a CPU port with no
active source (computer, CPU)
Switch to a CPU Port with an
active source (computer, CPU).
LED
1
on or LED
2
off
Connections between CON unit,
matrix and CPU unit
Check connecting cables and
connectors. (No cable, cable break,
CPU/CON unit offline, CPU/CON
unit connected to the wrong port)
LED
3
off
Power supply
Check power supply units and the
connection to the power network