Ihse 474 Series - Blank Screen

Draco KVM Extender
76 2014-04-15
8.2 Blank Screen
CPU Module CON Module
2
3
1
12
3
2
3
1
2
3
1
Rear View Rear View
Diagnosis Possible Reason Measure
LED 3 off
Power supply
 Check power supply units and
the connection to the power
network.
LED 1 on or
LED 2 off
Connection between
CON Unit and CPU Unit
 Check interconnect cables and
connections.
CPU Unit:
LED 3 red or
yellow
No video signal detected
by source (computer,
CPU)
 Check DVI-D cable to CPU
 Download DDC information from
console monitors (see
Chapter
6.1, Page 54).
Reboot CPU if necessary.
No monitor detected
 Check connection, length and
quality of the DVI-D cable to
monitor, tighten cable
thumbscrews.
CON Unit:
LED 3 red or
yellow
No video signal detected
from CPU Unit
 Check connection, length and
quality of interconnect cables
between the units.
 Download DDC information from
console monitors (see
Chapter
6.1, Page 54).
Reboot CPU if necessary.
Pos: 118 /806-IHSE/ Hilfe im Problemfall/ Störung am USB-HID- Anschluss/474-xx @ 6\ mod_1304586621613_6.d oc @ 51399 @ @ 1