Haier HG-Z1600 User Manual page 28

Using phone within areas of poor
signals, such as surroundings of high
Poor signals buildings or in a basement where
wireless electric waves are
unreachable.
Using phone during the period of busy
communications, which results in a
channel jam and inability of
communicating.
Fail to power on Power of battery has run out.
Fail to make a call Function of barring calls started.
Fail to connect to SIM card invalid
network
Out of GSM service area
Poor signals
Voltage of battery in use not in the
Fail to charge range specified by charger.
Using a non-standard charger
Not well plugged.
Receiving calls in a position with good
signals.
Avoid being within such a situation or
similar.
Charge it or replace it with a new one.
Disable function of barring calls
Please contact your network operator
Please move your phone into service area
of network operator.
Please move your phone to places with
strong signals then try again.
Please use batteries of which the voltage
is in the range.
Please use a charger designed for this
type of phone.
Check the plug to see if it's well
connected.
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