Troubleshooting
Problem
Possible cause
Solution
No internet connection or
faulty internet connection
The connection date has not yet
passed
Wait for your connection to be set-up. You can find your
connection date in your documentation. The connection will
be available by 6pm at the latest on this day.
Incorrect cabling
Check the cables connecting your router and the telephone
socket.
Incorrect login details
Enter the correct login details.
Device doesn’t work correctly
Restart the device.
No phone line connection
or faulty phone line
Telephone not connected correctly
Plug the telephone in properly.
DECT telephone doesn’t work
Activate DECT on your 1&1 HomeServer. Open up the
FRITZ!Box user interface. Click on
DECT > Base station
. Tick
the DECT box and click
Confirm
.
Telephone numbers allocated
incorrectly
Allocate the telephone numbers correctly to the devices.
see ”Handbuch DSL“
.
Unstable DSL connection
Open up the FRITZ!Box user interface. Click on
Internet >
DSL information > Interference resistance
. Choose:
Maximum
stability
.
Incorrect login details
Enter the correct login details.
Device doesn’t work correctly
Restart the device.
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