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C. Troubleshooting
Problem Possible cause Remedy
Can’t read or w rite t o or from the USB drive Incorrect USB format or bad USB Ensure that your flash drive is f o rm atted
to use the FAT32 file system. If you can’t
access the USB from a PC , then y ou hav e
a faulty US B drive.
The front panel display screen is too dark display brightness Use the “VFD brightness” sub-menu in
the System menu to adjust the intensity of
the front panel vacuum fluorescent display
(VFD) screen.
The unit is not responding to any front
panel button presses.
Front panel is lock ed
To unloc k the front panel, press and hold
the SEL and ESC buttons sim ultaneously
for 3 seconds. W hen the panel is unlocked,
the display screen displays the Status
menu.
After factory reset, the IP address is lost Wrong mode of the factory reset command
was used
Use the “Factory Reset, S ave IP” choice
in the “factory reset” sub-menu when you
perform a factory reset.
Unable to perform web upgrade Unable to perform web upgrade
Make s ure E2 connection with the LAN is
available.
Make sure there is an internet access in
the LAN
298 R5905948 E2 12/12/2014