Alcatel Carrier Internetworking Solutions 535-735 manual 20Troubleshooting

BH4_UM_GB_14-05-03 14/05/03 17:41 Page 91

20Troubleshooting ..........................................

Before contacting the after-sales service, we advise you to perform the following checks:

My mobile phone does not switch on

•Press until the screen comes on

•Check the battery charge level

•Check the battery contacts, remove and reinstall your battery, then turn your telephone back on

My phone does not respond since several minutes

•Press the key

•Remove the battery and re-insert it, then switch the phone back on

My screen is difficult to read

•Clean your screen

•Check the contrast

•Activate the backlighting

•Use your mobile phone in accordance with the recommended conditions of use

My mobile phone’s backlighting will not turn off

•Press (long keypress) the key

My mobile phone turns off by itself

•Check that your keypad is locked when you are not using your mobile phone

•Check the battery charge level

•Make sure the backlighting is not permanently activated

The vibrator vibrates even when there is no incoming call

•A slight vibration may occur after a shock or sharp tap on the back of the telephone.

91

My mobile phone does not charge properly

•Make sure that your battery is not completely discharged; the battery charge indicator can take several minutes and may be accompanied by a quiet whistling sound.

•Make sure charging is carried out under normal conditions (-10°C +55°C)

•Make sure your battery is inserted. It must be inserted before plugging in the charger

•Make sure you are using an ALCATEL battery and charger

•When abroad, check that the electrical current is compatible

My mobile phone does not connect to a network

•Try connecting in another location

•Verify the network coverage with your operator

•Check with your operator that your SIM card is valid

•Try selecting the available network(s) manually (see page 50)

•Try connecting at a later time if the network is overloaded

SIM card error

•Make sure the SIM card was correctly inserted (see page 13)

•Verify with your operator that your SIM card is 3V compatible; the old 5V SIM cards cannot be used

•Make sure the chip on your SIM card is not damaged or scratched

Unable to make outgoing calls

•Make sure you have dialled a valid number and press the key

•For international calls, check the country and area codes

•Make sure your mobile phone is connected to a network, and that the network is not overloaded or unavailable

•Check your subscription with your operator (credit, SIM card valid, etc.)

•Make sure you have not barred outgoing calls (see page 48)

92