L
ON
W
ORKS
I
NTERFACE
M
ODULE
O
PEN
N
ET
C
ONTROLLER
L
ON
W
ORKS
I
NTERFACE
M
ODULE
U
SER
’
S
M
ANUAL
27
Troubleshooting Diagram 3
END
Call IDEC for assistance.
NO
YES
Is the ERR LED on the
inter face module on?
YES
The ERR LED on the L
ON
W
ORKS
interface module goes on.
Is the
inter face module connected
to the L
ON
W
ORKS
network
correctly?
Connect the inter face module to
the L
ON
W
ORKS
network correctly.
Is installation of the
network information
completed?
NO
Is the ERR LED on the
inter face module on?
YES
Install the network information.
YES
YES
Is the target node
operating normally?
NO
Make sure the target node oper-
ates normally.
Is the ERR LED on the
inter face module on?
YES
YES
Is the network af fected
by surrounding noise?
NO
Remove the noise source.
Is the ERR LED on the
inter face module on?
YES
NO
NO
NO
NO