I-O 2677e Ethernet Display User s Guide
Troubleshooting
56
•
The System Available
indicator
on the left side of
the status line shows a
red light.
There is no communication with the host.
• The host is not operating
• Check all cable connections, routers, etc. for proper
connection.
• Ping the display station from the host.
• Communication configuration on the host
does not match the display station.
• Check the host’s device description to make sure
that the display type is a 3477FC for a display station
with a color monitor, and a 3477FG for a display
station with a monochrome monitor.
•
There is a status line, but
no sign on screen and
there is a block cursor in
the upper left corner of
the screen.
Display module drops off
line.
Check the following:
• Verify the IP address on both the host and display
station coincides.
• Make certain that no other device on the network is
using the same IP address as the host and display
station.
• Answer any host messages.
• Vary off the device and end the Telnet session:
1. To vary off a device, on the AS/400, at a command
line, enter wrkdevd [device name], press ENTER.
Select the work with status option, then vary off.
2. To end the Telnet sessions, on the AS/400 at a
command line, enter netstat, select the Work with
TCP/IP Connection Status option, press ENTER.
(You may also use the wrktcpsts *dev [device
name] command.) Scroll until entries for the IP
address of the 2677e are found (there will be one
entry for each session). Select the option to end
these sessions.
3. On the Connection Manager, select the
session and click on connect.
There may be a problem with improper cabling.
•
Check all cables, routers, hubs, switches, etc.
The power source may be faulty.
•
Check for solid power connections.
•
Verify that the incoming power is clean or install line
filtering equipment if needed.