Troubleshooting
PROGRAMMING MANUAL 348
Revision 1.0
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6.7.4 SmartSlice I/O errors
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RUN ALARM Probable cause Correction
Not Lit Not lit Initialization in progress N/A
Flashing Fatal system error during initializa-
tion
Replace the unit
Lit Fatal error during operation Restart the unit. If the problem
persists, replace the unit.
Lit Not Lit No error N/A
Lit One of these MECHATROLINK-II
protocol violations:
• Parameter out of range
• Communication lost
• Restart the TJ2-MC64
• Execute the command
MECHATROLINK(unit,0)
TS Color Probable cause Correction
Not Lit N/A No power supply Refer to section 6.7.1
Flashing
(every
second)
Green Adding SmartSlice I/O Units to
the network
Wait until the SmartSlice I/O Units
are added to the network
There can be a break in the con-
nection between individual
slices, or one of the SmartSlice
sockets is not connected prop-
erly to its left neighboring con-
nector.
The TS LED on all correctly con-
nected slices are flashing, but
the TS LED on the not correctly
connected units are off.
Check the connection between
slices at the point where the first unit
is located with its TS LED off.
Make sure that all slices are con-
nected correctly to each other.
The last unit is not or not prop-
erly connected. The SmartSlice
communication does not start
up.
The TS LED on all SmartSlice I/
O Units are flashing.
Check the connection of the last unit
and make sure that it is correctly
connected to the SmartSlice system
Red SmartSlice bus communication
error
Make sure that the base block of the
SmartSlice I/O System is connected
properly
When the registration table
function is enabled, the actual
configuration does not match
the registered configuration
Correct the configuration and turn
the power on again
The total number of I/O points in
the SmartSlice I/O systems is
greater than the maximum
Correct the unit configuration and
number of I/O points and turn the
power on again
Flashing
(every
0.5 sec-
onds)
Green Restore operation in progress Wait until the restore operation is
complete
Backup operation in progress Wait until the backup operation is
complete
TS Color Probable cause Correction
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