MDE-4813D CFN PLUS Installation Manual · February 2018
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Table 4-2. Communication Troubleshooting
Fault
Probable Cause
Checks
Corrective Action
No communication to the pumps (8-port CommVerter)
(Continued)
All pumps are
showing
“warning” signs
on the SiteOmat
Status screen
Incorrect 8-port
CommVerter setup
Check network
connectivity by
performing a “ping”
command locally or
remotely, through
PuTTY application.
2.
Check the status of the
LEDs on the 8-port (upper
right corner of the board):
the first and the third LED
should be lit to confirm
power and network
connection, while second
LED should blink to confirm
network activity. The last
two LEDs (from left to
right) should be blinking
constantly, to confirm
communication with
controller.
3.
In cases where all LEDs are
lit periodically (every 30
seconds), the unit is
resetting due to connection
loss to the controller.
4.
Reset the IP and reconfigure
the Pump Server (PS) in
controller setup.
No communication to nozzles (Wireless Gateway)
Can’t read the
vehicles and/or
no authorization
at the pumps
1.
No
communication
to Wireless
Gateway
2.
Incorrect nozzle
reader setup
Check the physical
connection of the
Wireless Gateway to
the local network
(5-port switch).
Check the Wireless
Gateway network
settings.
1.
If no activity on the LAN
port, check the cable and/or
change the port on the 5-port
switch.
2.
Remove the top cover to
access the Wireless Gateway
and check the status of the
LEDs.