SENA LS110 - Manual (Page 62)

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Appendix C: Troubleshooting
C.1 Power/LED Status Troubleshooting
Problem Cause Action
Power LED does
not light up Power cable is not
connected Check power connection
Ethernet cable is not
connected Check Ethernet cable connection Link LED does not
light up
Invalid Ethernet cable is
used There are two types of Ethernet cables: Straight-through cable
and crossover cable. If you are using an Ethernet hub, use
straight-through cable. If direct connection between the LS110
and remote host is used, use crossover cable instead.
ACT LED does not
blink Invalid IP configuration Check IP configuration parameters
C.2 Serial Console Troubleshooting
Problem Cause Action
Invalid serial cable Be sure to use a serial console cable (null-modem cable) for
serial console
Invalid serial port
configuration of
terminal emulation
program Check serial port configuration of terminal emulation program:
9600 bps, 8 Data bits, No parity, 1 stop bit, Hardware flow
control
Serial console is not
connected
Invalid Console/Data
switch position Be sure that Console/Data switch position is Console side.
Serial console is
halted for few
seconds periodically IP mode is DHCP, but
IP is not assigned If IP mode is set to DHCP but IP is not actually assigned
because of DHCP server failure, serial console is halted for few
seconds at every 30 seconds. Change IP mode to the static IP
mode
Cannot login to
console Invalid username
and/or password Use valid username and password. If username and/or
password are lost, perform factory default reset using factory
reset switch. Factory default value of username and password
are both ‘root’