L
ON
W
ORKS
I
NTERFACE
M
ODULE
26
O
PEN
N
ET
C
ONTROLLER
L
ON
W
ORKS
I
NTERFACE
M
ODULE
U
SER
’
S
M
ANUAL
Troubleshooting Diagram 2
END
Call IDEC for assistance.
NO
NO
YES
Is the POW LED on the
inter face module on?
Supply power to the power supply
terminals on the CPU module.
See Troubleshooting Diagram 1,
“The POW LED on the inter face
module does not go on.”
Is the POW LED on the
inter face module on?
Is the RUN LED on the
inter face module on?
YES
NO
YES
The RUN LED on the L
ON
W
ORKS
interface module does not go on.