Appendix c: troubleshooting, C.1 power/led status troubleshooting, C.2 serial console troubleshooting – SENA LS100W User Manual

Page 46: C.3 remote console troubleshooting

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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

Link LED does not
light up

An invalid Wireless
Connection state.

Check your Wireless configuration

ACT LED does not
blink

LS100W is not connected
to a Wireless network

Check your Wireless configuration

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 20 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 admin

C.3 Remote Console Troubleshooting

Problem

Cause

Action

The LS100W is not
assigned valid IP
address

Use serial console to assign valid IP address to the LS100W

Cannot connect to
the LS100W using
telnet

Someone is using serial
console

Exit serial console and retry telnet connection

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 admin

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