Troubleshooting
H Series Service Manual
44
020-000802-03 Rev. 1 (12-2016)
Verify the network connection
Network T
roubleshooting
Plug LAN Ca
ble
on the I/O
pa
ne
l
RJ45
Conn
ecto
r
Is the RJ45 Connector LED
green?
Are the Network
settings of the
un
it
correct
?
Is th
e
Network fu
ncti
on
ing
correctly?
Yes
No
Yes
No Fault Found
End
Yes
Is the In
tern
et
source on the PC
working?
Yes
Replace the
LAN cable
Use an
alternate PC.
No
No
Is the RJ45
connector LED
green?
No
Replace the LAN
board
Yes
Replace the
m
ain bo
ard
Replace the main
board
Is the RJ45
connector LED
green?
No