Troubleshooting For The Case Where The "Err." Led Of The Master Station Flickers - Mitsubishi Electric AJ65VBTCU-68DAVN User Manual

6 TROUBLESHOOTING

6.3 Troubleshooting for the Case where the "ERR." LED of the Master Station Flickers

The "ERR"LED on the
master station is flashing
Do the parameter
setting and the installed system
configuration match
properly?
Y
Are the master
station link special registers
SW0080 to SW0083 (other station
date link status)
turned on?
Y
Are the master
station link special registers
SW0098 to SW009B (station
number overlap status)
turned on?
Y
Check the module for which
SW0098 to SW009B are on
Are the
station number setting
switches set
properly?
Y
Set the station number setting
swiches properly
Turn on the power again
Corresponding module
malfunction
6 - 4
N
Revise the parameter settings
or installed system configuration
N
Master station malfunction
N
N
Check the module for which
SW0080 to SW0083 are on
N
Is the power on?
Y
Is the "POWER" LED lit?
Y
power within the specified
Corresponding module
malfunction
1 2
Are the master
station link special registers
SW0144 to SW0147 (mounting/
parameter matching status
(2)) turned on?
Y
Check the module for which
SW0144 to SW0147 are on.
N
Turn on the power
Failure of the corresponding
module
N
Is the supplied
N
range
Y
Set the supplied voltage to
within the specified range
Check on master station side
Check on slave station side
Do the parameter
N
and module match in
CC-Link version?
Match the version of the
corresponding module and
Y
that of the parameter.
Switch power off, then on
again.
MELSEC-A
3
6 - 4