Appendix

Trouble shooting

This section describes common problems and their solution. The Gigaset SE551 WLAN dsl/cable is easy to monitor thanks to its LED displays. Problems can be quickly identi- fied. If you cannot solve the connection problem after checking the LED displays, please consult the other sections of the following table.

SymptomPossible cause and solutions

 

 

Power lamp does not light

No power supply.

up.

ì Check whether the mains adapter is connected to

 

the Gigaset SE551 WLAN dsl/cable and a power

 

outlet.

 

ì Check whether the device is switched on.

 

ì Check whether the power outlet and the mains

 

adapter are working properly. If the mains adapter

 

is not working properly, please get in touch with

 

our customer service unit (see page 127).

 

 

The LAN LED on a connected

No LAN connection

device does not light up.

ì Make sure that the connected device is switched

 

on.

 

ì Check whether the Ethernet cable is plugged in.

 

ì Check that you are using the right cable type

 

(CAT5) and that the cable is not too long (100 m).

 

ì Check that the network card on the connected

 

device and the cables are not defective. If neces-

 

sary, replace a defective network card or cable.

 

ì Use the Windows device manager (My Computer

 

Properties) to check whether the network card is

 

functioning. If you see a red cross or a question

 

mark, then the driver may not have been installed

 

or there is a resource conflict. Follow the Windows

 

instructions to remedy the problem.

 

 

The LAN LED does not light

ì Check the cable. Check that the cable is correctly

up after synchronisation.

connected to the DSL or cable modem. Check that

 

the DSL modem is connected to the splitter.

 

 

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