Swissvoice C50s, Instruction Manual

Page: 20 / 24

P.18
Problems Solutions
The mobile phone cannot be
switched on No battery inserted;
Battery is not charged.
The phone is requesting a PUK when
I switch on the phone If you do not have the PUK for
your SIM card, please contact
your service provider.
No signal quality is displayed No network connection. The
mobile phone is in a location
where there is no network
service, please move to a
different location or contact
your service provider
A message appears in the display for
some functions, indicating execution/
use is not possible Some functions can only be
used after the respective
service has been applied for.
Contact your service provider.
Screen frozen or no response when
pressing keys Remove the battery for 3
minutes and try again
No connection to the mobile
telecommunication network Contact your service provider
The “Insert SIM“ message appears in
the display Ensure that the SIM card
has been installed correctly.
Contact your service provider.
The battery cannot be charged or is
empty within a short time Battery is defective;
Place the phone correctly in
the charging unit or connect
the charging unit properly;
Clean the charging contact
of the mobile phone and
charging unit with a dry soft
cloth;
Charge the mobile phone for
4 hours.
The mobile phone has
accidentally got wet Switch off the phone
immediately, remove the
battery and allow the unit
to dry completely before
powering it on again.
9. PROBLEMS AND SOLUTIONS