Omron NX-SID800 User Manual

9 Troubleshooting
9 - 6
NX-series Safety Control Unit User’s Manual (Z930)
Not Lit Not Lit - - No power is supplied by the Unit
power supply.
Check the following items and make
sure that power is correctly supplied
from the Unit power supply.
Checks Related to the Power Supply
• 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 volt-
age 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 after
you check the above items and cycle
the Slave Terminal power supply, the
Unit may have a hardware failure. In
that case, replace the Safety I/O Unit.
Not Lit Not Lit - - • Waiting for initialization to start
• Restarting the Unit
Status is normal. Wait until processing
is completed.
- - FLS (1 s) Not Lit The safety connections are not
established (including when they
are currently being established).
Wait until processing is completed.
- - Not Lit FLS (1 s) Safety Process Data Communica-
tions Timeout
Refer to Safety Process Data Commu-
nications Timeout on page 9-39.
- - - - NX Message Communications Error Refer to NX Message Communica-
tions Error on page 9-46.
TS indicator FS indicator
Cause Corrective action
Green Red Green Red

Omron NX-SID800 Specifications

General

Brand	Omron
Model	NX-SID800
Category	Controller
Language	English