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26: L
ON
W
ORKS
I
NTERFACE
M
ODULE
26-28
O
PEN
N
ET
C
ONTROLLER
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 26-10.
See Troubleshooting on page 27-1.
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 on the L
ON
W
ORKS
interface module flashes at a frequency of 1/2 Hz.
The SER LED flashes when the network management is not configured.
Configure (install) the network management information. See page 26-12.
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