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10. Trouble Shooting
Trouble phenomenon
Can not dial number.
"Network"
indicator
flickering fast
LCD display "Error PIN"
"Power" indicator OFF
No dialing tone
1. SIM card has been locked: insert the SIM card into a mobile
phone, if the card has been locked, there will display
prompt in the mobile LCD which requires inputting PUK
code. Input PUK code, then input a new PIN code and set
the new PIN code as 1234. If the equipment has reciprocal
SIM card lock function, the PIN code of the SIM card
should be opened. Or the PIN code of the SIM card should
be locked to avoid SIM card being locked. After unlocking
the SIM card, insert the SIM card into the equipment and
turn the equipment on.
2. Can not detect any SIM card: Please check the contact
spring of the SIM card holder or the contact point of the
SIM card to see whether there is abrasion, ageing or stain
in the SIM card. And then install the SIM card again.
3. Bad connection of antenna or antenna rupture: please
check whether the core of the antenna is well connected or
change the antenna.
4. Telephone setup: Please check whether the dialing system
is DTMF, or whether the phone lock is opened.
1. Bad connection of antenna or antenna rupture, please
check whether the core of the antenna is well connected
or change the antenna.
2. Weak signal. Please adjust the position of antenna and
observe signal quality of LCD screen to get the best call
effect
SIM card locked, user access be refused. Please connect with
vendor or owner to unlock.
1. Connection problem of power adaptor or backup battery.
Please check the status of power adaptor or backup
battery
2. The adaptor or main board is burned. Please contact with
your provider
1. It is possible that the grey cable isn't used to connect with
your telephone or payphone. You should use this special
cable to connect between the terminal and telephone
/payphone. The definition of the gray cable is shown in section
16.1
2. Bad line connection: Please check whether the electrical
function of the line is ok.
15
Solving Methods
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