Ethernet flowchart
Cannot connect with the network, cannot
update the network.
Is the LAN cable plugged in properly?
No
Plug in the LAN cable firmly.
Yes
Is the LED of the hub router lit?
(LINK LED)
No
Is power supplied to the MB board?
No
To Power Supply (System) flowchart
Yes Yes
Replace the MB board.
To Drive flowchart
BU Adjustment Flow [yy] ~ After BU/MB
Replacement ~
Are the network settings of the menu
correct?
No
Make the correct network settings.
Yes
Replace the MB board.
To Drive flowchart
BU Adjustment Flow [yy] ~ After BU/MB
Replacement ~
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