L
ON
W
ORKS
I
NTERFACE
M
ODULE
28
O
PEN
N
ET
C
ONTROLLER
L
ON
W
ORKS
I
NTERFACE
M
ODULE
U
SER
’
S
M
ANUAL
Troubleshooting Diagram 4
Troubleshooting Diagram 5
Troubleshooting Diagram 6
END
Call IDEC for assistance.
NO
YES
YES
Is the CPU module
operating normally?
Is the I/O LED on the
inter face module on?
The I/O LED on the L
ON
W
ORKS
interface module goes on.
NO
YES
Is the transmit/receive
data quantity set
correctly?
NO
Set the quantity of transmit/receive
data using WindLDR correctly.
See page 10.
See Troubleshooting in the OpenNet
Controller user’s manual EM333.
The SER LED goes on when the Neuron Chip fails to recognize an application program, no application program
exists, or an on-chip failure occurs. The L
ON
W
ORKS
inter face module is shipped with an application program
installed in the memor y, so a problem in the L
ON
W
ORKS
inter face module is suspected. Call IDEC for assistance.
The SER LED on the L
ON
W
ORKS
interface module goes on.
The SER LED flashes when the network management is not configured.
Configure (install) the network management information. See page 12.
The SER LED on the L
ON
W
ORKS
interface module flashes at a frequency of 1/2 Hz.