125
Others
Troubleshooting guide
Item
Problem
Cause/Solutions
Network
Cannot communicate. (LNK/ACT
LED of LAN port is off)
)
Check the network cable and the
connectivity.
)
Connect to another LAN port on the
unit.
)
Connect to another port on the network
device.
Cannot communicate. (LNK/ACT
LED of LAN port is on)
)
Check the network configuration
parameters.
)
Check the communication protocol is
not blocked on the network settings.
For more information, confirm with your
network administrator.
Cannot acquire an IP address
even when DHCP is enabled.
)
Refer to “Cannot communicate. (LNK/
ACT LED of LAN port is on)” (above).
)
Check whether restricted by the DHCP
server with MAC address, or available
IP address is depleted.
For more information, confirm with your
network administrator.
The unit name (host name/domain
name) cannot be registered on the
DNS server.
The registration of name on the DNS
server is not supported.
NTP (time synchronization)
Cannot perform time
synchronization even when a time
server is enabled.
)
Check the logs to see if time
synchronization has been performed.
Make sure that the DNS settings are
correct.
If it is not synchronized, see “Cannot
communicate. (LNK/ACT LED of LAN
port is on)” (above).
)
Setup another NTP server to perform
the time synchronization.
Password
Forgot the password for the control
panel and the Web interface.
Contact your support service provider.
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