Omron NX-SL3300 User Manual page 425

TS indicator
---
---
---
NX-series Safety Control Unit User's Manual (Z930)
FS indicator
--- No power is supplied by the Unit
power supply.
•
--- Waiting for initialization to start
•
Restarting the Unit
The safety connections are not es-
tablished (including when they are
1-second inter-
currently being established).
val
Safety Process Data Communica-
tions Timeout
1-second inter-
val
--- NX Message Communications Error
Cause
Check the following items and make
sure that power is correctly supplied
from the Unit power supply.
Checks Related to the Power Sup-
ply
•
Make sure that the power supply
cable is wired properly.
•
Make sure that there are no
breaks in the power supply cable.
•
Make sure that the power supply
voltage is within the specified
range.
•
Make sure that the power supply
has enough capacity.
•
Make sure that the power supply
has not failed.
If you cannot resolve the problem af-
ter you check the above items and
cycle the Slave Terminal power sup-
ply, the Unit may have a hardware
failure. In that case, replace the
Safety I/O Unit.
Status is normal. Wait until process-
ing is completed.
Wait until processing is completed.
Refer to Safety Process Data Com-
munications Timeout ( page
12 - 75).
Refer to NX Message Communica-
tions Error ( page 12 - 88).
12 Troubleshooting
Corrective action
12 - 13
12