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Error Scenario Cause Solution
User interface
does not open
Forgot
FRITZ!Box pass
word
Restore factory settings to the
FRITZ!Box (see page 166).
Combination of
various settings
in the “Internet”
and “Home
Network”
menus.
Attempt to open the user interface
with the emergency IP address;
see page 192.
If this does not work, restore
factory settings to the FRITZ!Box
(see page 166).
Wireless radio
connection
between
FRITZ!Box and
wireless device
interrupted
Change the positions of the
FRITZ!Box and the wireless
devices:
Do not set up the FRITZ!Box
in the corner of a room.
Do not set up the FRITZ!Box
directly next to or beneath an
obstacle or a metal object
(like a cabinet or radiator).
Position the FRITZ!Box and
the wireless devices so that
there are as few obstacles
between them as possible.
Wireless LAN
Connection
Interrupted
WiFi channel
with heavy inter
ference
Configure automatic selection of
the WiFi channel in the FRITZ!Box
user interface.
Then the FRITZ!Box will automati
cally select a WiFi channel with as
little interference as possible
(“Wireless / WiFi Channel”).
Malfunctions
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
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191FRITZ!Box 4020
191


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Others manual(s) of AVM FRITZBox 4020

AVM FRITZBox 4020 Quick start guide - English, German - 2 pages

AVM FRITZBox 4020 Usermanual and installation guide - German - 148 pages

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