CHAPTER 14 - TROUBLESHOOTING AND MAINTENANCE
EATON
PXG600E User Manual • IM02603003E
Rev 5, 11-May-2012 • Firmware Version 5.03:3835
184
Troubleshooting Matrix
Problem
Possible Causes
Solution
Cannot login
Lost password
Reset passwords and IP addresses using the
Reset-
ting Lost Passwords and IP Addresses
on page 183
.
Incorrect IP address set at PXG600E
USB drivers not installed properly
Install USB drivers according to procedure in
USB Driver Installation on page 189
.
USB or Ethernet LAN cable
disconnected
Reseat cables
Data seems to freeze
when viewed on a web
browser or the browser
stops responding
Communications interrupted
Press CTRL and F5 simultaneously to reload the web
session.
Cannot access devices
connected to INCOM or
COM1 (Modbus RTU or
QCPort) port
Incorrect wiring
Make sure devices are connected to the network accord-
ing to
Eaton Electrical Field Devices
Communication Wiring Specification
(TD 17513)
. Pay
particular attention to the polarity. Also see the
COM1
and COM2A RS-485 Connection Chart
on page 5
.
Loose connections
Check for loose connections and repair.
COM2, COM1 and
INCOM indicators are
flashing periodically
Normal operation
The indicators blink Green when connected device(s)
are not responding. When the connected devices are
responding, the indicators blink a Yellow / Red hue
depending upon the amount of signal traffic. No blinking
when no devices are connected.
COM1 and INCOM indi-
cators are NOT flashing
periodically
PXG600E is being rebooted
The COM2B traffic indicator and the COM1 traffic indica-
tor will flash Red, Green and Yellow / Green while the
unit boots. This is normal.
Internal PXG600E communications
locked up
Reboot the PXG600E by pressing the Hard Reset Switch
momentarily. During the rebooting process, the COM2B
traffic indicator and the COM1 traffic indicator will be
solid green. The indicators should resume normal oper-
ation within two to three minutes.
Cannot access PXG600E
via Modbus TCP client
Modbus TCP settings on PXG600E
are incorrect
Refer to the
Connecting to Modbus TCP Cli-
ents on page 169
. Make sure that the “Enable”
box is checked and the port address matches the port
address of the Modbus TCP client. Consult your IT
department for help on setting these parameters.
Incorrect IP address set at PXG600E
Reset passwords and IP addresses using the
Reset-
ting Lost Passwords and IP Addresses
on page 183
.
Nothing appears on the
screen other than the
banner (contains the
time and date) on the top
of the web page and the
version number on the
bottom of the page.
Screen resolution not set to
recommended 1280x1024
On a temporary basis, use scroll bar to scroll screen up
to view the screen content.
On a permanent basis, reset screen resolution of the
monitor to 1280x1024 (if available on the monitor).