Troubleshooting - Zte Scend Z791G User Manual

Troubleshooting

If you encounter problems while using the phone, or if it performs abnormally, you
can refer to the chart below. If your particular problem cannot be resolved using the
information in the chart, contact the dealer where you purchased the phone.
Problem Possible Causes
The network signal is too weak
at your current location, for
example, in a basement or near
a tall building, because wireless
transmissions can not effectively
reach it.
Poor reception The network is busy at the
current time (for example,
during peak times, there may
be too much network traffic to
handle additional calls).
You are too far away from a base
station for your service provider.
Poor network link quality on the
part of your service provider.
Echo or noise
Poor local telephone line quality.
Your service provider does not
Unable to
support these features, or you
select certain
have not applied for services
features
that provide these features.
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Possible Solution
Move to a location where the
network signal can be properly
received.
Avoid using the phone at such
times, or try again after waiting a
short time.
You can request a service area
map from your service provider.
End the call and dial again. You
may be switched to a better-
quality network link or phone line.
End the call and dial again. You
may be switched to a better-
quality network link or phone line.
Contact your service provider.
Problem Possible Causes
The battery or battery charger is
damaged.
The phone's temperature is
Battery not below 32°F (0°C) or higher than
charging 113°F (45°C).
Poor contact between the
battery and charger.
The standby time is related to
your service provider system
configuration. The same phone
used with different service
providers' systems will not
provide exactly the same length
of standby time.
Shortened
standby time
If you are not able to connect
to the network, the phone will
continue to send out signals as it
attempts to locate a base station.
Doing so consumes battery
power and will consequently
shorten standby time.
Cannot turn Battery power has been
your phone on depleted.
Unable to
You are not within the network's
connect to the
service area.
network
Troubleshooting
Possible Solution
Contact the dealer.
Adjust the battery charging
environment to avoid extremes of
temperature.
Check all connectors to make
sure all connections have been
properly made.
If you are located in an area where
signaling is weak, temporarily
power off the phone.
Change your location to one
where the network is accessible,
or temporarily turn off your
phone.
Recharge the phone's battery.
Check the service area with your
service provider.
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