
TROUBLESHOOTINGTROUBLESHOOTING
4-2-18. When the WIFI does not work 4-2-18. When the WIFI does not work
Buy the wireless router (WirelessBuy the wireless router (Wireless
router is not included)router is not included)
Do you have the Do you have the
wireless router?wireless router?
Is the power of wireless routerIs the power of wireless router
Dose the WIFI setting properly?Dose the WIFI setting properly?
Is the input voltage of Is the input voltage of
conversion board as 12V conversion board as 12V
Is the output voltage of main powerIs the output voltage of main power
conversion board as 5V conversion board as 5V
Wireless router power onWireless router power on
Progress the WIFI setting again.Progress the WIFI setting again.
Be cautions about when enter theBe cautions about when enter the
password (a capital and smallpassword (a capital and small
Connect the six pinsConnect the six pins
Connect the cable.Connect the cable.
Change the main board.Change the main board.
Is the six pins connector connectedIs the six pins connector connected
to main power conversion boardto main power conversion board
Is the cable connected to mainIs the cable connected to main
board CN03 correctly?board CN03 correctly?
Change the main power conversionChange the main power conversion
Connect the five pins.Connect the five pins.
Change the WIFI module.Change the WIFI module.
Are the main power boarAre the main power boar
module connected correctly?module connected correctly?
1. Check the main power1. Check the main power
conversion board CN02conversion board CN02
No.5(VCC), No. 4 (GND)No.5(VCC), No. 4 (GND)
pins. (Normal range is:pins. (Normal range is:
11.4V ~12.6V)11.4V ~12.6V)
2. Check the main power2. Check the main power
conversion board CN 03conversion board CN 03
connector No.3(VCC),connector No.3(VCC),
No.4(GND)pins. (NormalNo.4(GND)pins. (Normal
range is : 4.75V ~ 5.25V)range is : 4.75V ~ 5.25V)