Easyfone C512W - Phone cannot be switched on; Failure to place or receive calls

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Phone cannot be switched on
Battery charge low
Connect the power adapter and charge the
bat- tery for 3 hours. Full battery capacity is
reached after the battery has been charged 3
–4 times.
Battery incorrectly
installed
Check the installation of the battery.
Failure to charge the battery
Battery or charger
damaged
Check the battery and charger.
Battery should only
be charged in
temperatures
between 0 °C and
40 °C
Improve the charging environment.
Charger incorrectly
con- nected to
phone or power
socket
Check the charger connections.
Standby time decreases
Battery charge
capacity too low
Install a new battery.
Too far from base
sta- tion, phone is
constantly
searching for signal
Searching the network consumes battery
power. Find a place with a stronger signal, or
tempora- rily turn off the phone.
Failure to place or receive calls
Call barring
activated
Deactivate call barring. If this does not solve
the problem, contact your service provider.