Operation Manual

33
13
Troubleshooting
“Blocked” is displayed
on my handset
The NCK code has been
entered incorrectly 10 times and
the handset has been security
disabled
Return the handset to your service operator or to an
authorised Sendo service centre for resetting.
A key on the keypad is
not working
The keypad is not seated
correctly after removing and
replacing the telephones plastic
cover
Remove the telephones plastic cover and re-seat the
keypad correctly.
Poor display Low temperature Move to a warmer place and let the phone warm up.
Can’t connect to
network
Weak signal Move into an area of better coverage. If you are in a
building, move towards a window.
Invalid SIM card Contact your service provider.
Network not allowed Try reselecting the network. Switch off and then back
on.
Can’t make/receive
calls
Weak signal Check that the service provider name is displayed on
the screen. If not, try to reconnect to the network.
Phone is switched off Press d for a few seconds.
Check the number Use the full area code and country code in the
number.
Call key not pressed After dialling the number you must press g,
Call.
Network is busy If you hear rapid beeps, then the network is busy.
Hang up and try again.
Call barring or fixed dialling is
activated
Check the fixed dialling settings. Otherwise check
the call barring settings with your service provider.
Not registered with service
provider
After purchasing your phone, you may need to call
your service provider to activate the line.
No credit left on your prepaid
card
Recharge your credit.
Low earpiece volume Low setting Press : when you are in a call to increase the
volume.
Low ringer tone Low setting Go into the
Sounds menu, select Volume and
increase the setting.
Problem Possible cause Possible corrective action
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