Troubleshooting For The Case Where The "Err." Led Of The Master Station Flickers - Mitsubishi AJ65SBT-64AD User Manual

6 TROUBLESHOOTING

6.4 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
Corresponding module
malfunction
N
Revise the parameter settings
or installed system configuration
N
Master station malfunction
N
N
Set the station number setting
swiches properly
Turn on the power again
1
Check the module for which
SW0080 to SW0083 are on
N
Is the power on?
Y
N
Is the "POWER" LED lit?
Y
Is the supplied
power within the specified
Corresponding module
malfunction
2
6 - 5
Check on master station side
Check on slave station side
Turn on the power
N
range
Set the supplied voltage to
Y
within the specified range
MELSEC-A
3