72
TROUBLESHOOTING
4-2-8. When the WiFi does not work properly
Start
Buy the wireless router
(Wireless router is not
included)
NO
YES
Do you have the
wireless router?
Wireless router power on
Connect the six pins
Connect the cable.
Change the main board.
NO
Is the power of wireless router
turned on?
YES
①
②
Progress the WIFI setting
again.
Be cautions about when enter
the password (a capital and
small letter, blank etc.)
NO
Dose the WIFI setting
properly?
Is the output voltage of
main power conversion board
as 5V correctly?
Is the six pins connector
connected to main power conversion
board correctly?
Is the cable connected to main board
CN03 correctly?
Are the main power board
and WIFI module connected
correctly?
YES
NO
NO
☞
Check the main power
conversion board CN02
No.5(VCC), No. 4 (GND) pins.
(Normal range is: 11.4V ~12.6V)
☞
Check the main power
conversion board CN 03
connector No.3(VCC),
No.4(GND)pins.
(Normal range is : 4.75V ~ 5.25V)
NO
NO
NO
Is the input voltage of
main power conversion board
as 12V correctly?
YES
YES
YES
Change the main power
conversion board
Connect the five pins.
Change the WIFI module.