Omron GRT1-PNT - DATASHEET 2 Operation Manual page 86

Troubleshooting using the LED indicators
TS Colour
Flashing Green
(2 Hz)
Lit Red
Green
SmartSlice I/O Unit
TS Colour
Not Lit ---
Flashing Red
(1 Hz)
Flashing Green
(2 Hz)
Lit Red
Green
74
Probable cause
Restore operation in progress
Backup operation in progress
Backup operation failed (See Note).
Restore operation failed (See Note).
SmartSlice I/O Unit configuration error occurred. Check the following items.
The SmartSlice bus is operating normally.
Note Backup/Restore Operation failed: TS LED Indicator will be Lit for 2 seconds.
/i
Probable cause
Power is not being supplied to the Unit. Refer to section 4-2-1.
Communication error occurred.
Restore operation in progress
Backup operation in progress
Unit hardware failure.
The SmartSlice I/O Unit is operating
normally.
Correction
Wait until the restore operation is
completed.
Wait until the backup operation is
completed.
Backup the data again.
Reinstall the Unit in which the data was
being restored and turn the power ON
again.
• Are more than 64 I/O Units (including
END-M Unit) connected?
• Are more than 128 bytes of I/O data
being used?
• Has the I/O configuration changed since
the I/O configuration table was
registered?
---
Correction
Check whether the connector is inserted properly.
Wait until the restore operation is completed.
Wait until the backup operation is completed.
Turn the power OFF and then ON again. Replace
the Unit if the error recurs.
---
Section 4-2