Mitsubishi FX3U-16CCL-M User Manual

16 Troubleshooting
16.2 Troubleshooting when ERR. LED is Flashing in
240
FX3U-16CCL-M User's Manual
16.2 Troubleshooting when ERR. LED is Flashing in Master Station
*1. Check the terminal resistors, the FG connection, the total extension distance and the station-to-station
distance.
ERR. LED is flashing in
master station.
Correct parameter setting or
loading system configuration.
Is parameter setting
consistent with loading
system configuration?
Is link special
register SW0080
(data link in other
stations) in master
station ON?
Check module corresponding
to ON bit in SW0098.
Is station No. switch
correctly set?
Corresponding unit is defective.
Y
Is link special
register SW0098
(station No. overlap)
ON in master
station?
Y
Y
Y
N
Master station is defective.
N
N
Check module corresponding
to ON bit in SW0080.
Is power turned on?
Is POWER LED lit?
Y
Is RD LED lit?
Y
Set station No. switch
correctly.
N
Turn off power, then turn it on
again.
Turn on power.
N
Is supplied voltage
inside specified
range?
Set supplied voltage inside
specified range.
Corresponding unit is defective.
Are communication
cables correctly wired?
*1
Corresponding unit is defective.
N
Y
Correct wiring of
communication cables.
N
N
Check on master station side
Check on slave station side
Y
Y
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N

Mitsubishi FX3U-16CCL-M Specifications

General

Brand	Mitsubishi
Model	FX3U-16CCL-M
Category	Controller
Language	English