Mitsubishi FX3U User Manual page 247

FX -16CCL-M User's Manual
3U
previous page
*2. Check the terminal resistors, the FG connection, the total extension distance and the station-to-station
distance.
From the From the
previous page
Is L RUN LED lit?
Y
Is SD LED lit (flashing)?
Y
Corresponding
unit is defective.
Is station No. switch
correctly set (without
overlapping another
station)?
Y
Corresponding unit is defective.
(station No. switch)
16.2 Troubleshooting when ERR. LED is Flashing in
N
N
Is SD LED lit (flashing)?
Y
Is transmission speed
correctly set?
N
Y
Are communication
cables correctly
wired?
Y
Corresponding unit is defective.
(transmission speed switch)
Is station No. switch
N
correctly set (without
overlapping another
station)?
Set station No.
correctly.
Y
Corresponding unit is defective.
(station No. switch)
N
Set station No.
correctly.
Completed
16 Troubleshooting
From the
previous page
N
Set transmission speed
correctly.
Turn off power, then turn it on
again. Or turn on reset switch.
N
*2
Correct wiring of
communication cables.
Turn off power, then turn it on
again. Or turn on reset switch.
Turn off power, then turn it on
again. Or turn on reset switch.
11
12
13
14
15
16
A
B
C
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