Checking For Errors With The Indicators - Omron sysmac NX Series User Manual

5-2
Checking for Errors with the Indica-
tors
You can use the indicators on the System Units to check the status of System Units and level of er-
rors.
This section describes the meanings of errors that the indicator shows and the troubleshooting proce-
dures for them.
In this section, the status of the indicator is indicated with the following abbreviations.
Abbreviation
Lit
Not Lit
FS ( )
---
Troubleshooting the Primary Errors
 All Units
TS indicator
Green
Lit
FS (2 s)
Lit
Not Lit
Not Lit
Not Lit
Not Lit
NX-series System Units User's Manual (W523)
Lit
Not lit
Flashing. The numeric value in parentheses is the flashing interval.
Undefined
Cause
Red
Not Lit ---
Not Lit •
Initializing
•
Downloading
Lit This status is not present.
Not Lit The Unit power supply is not
supplied.
•
Waiting for initialization start
•
Restarting
If you cannot resolve the problem after you check the above items and cycle the
Unit power supply, the Unit may have a hardware failure. If this happens, replace
the Unit.
Lit Hardware failure
Lit Non-volatile Memory Hardware
Error
FS (1 s) This status is not present.
Indicator status
Correction
--- (This is the normal status.)
--- (Normal. Wait until the processing is com-
pleted.)
Check the following items and supply the Unit
power supply correctly.
[Check Items for Power Supply]
•
Make sure that the power supply cable is
wired correctly.
•
Make sure that the power supply cable is
not disconnected.
•
Make sure that the power supply voltage is
within the specified range.
•
Make sure that the power supply has
enough capacity.
•
Make sure that power supply has not failed.
--- (Normal. Wait until the processing is com-
pleted.)
If this error occurs after you cycle the Unit
power supply, replace the Unit.
Refer to Event Non-volatile Memory
Hardware Error on page 5-9.
5 Troubleshooting
5-3
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