10. Trouble Shooting
——
Network Fault(wired)
Can’t access the internet
Check the LAN and cable connections is ok?
Access wired setting can it get IP address
success ?
Replace the US1 to confirm
Check UN2 pin1&2&3&6&7&8 voltage ?
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Normal condition:
The voltage at 2.5V
Y
Y
Y
N
N
Y
Replace main board to confirm
Check LAN Server
Replace UN2 to confirm
N
Y
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