Omron Sysmac NX-series, User Manual

Page: 195 / 306

9-2 Checking for Errors with the Indica-
tors
You can use the TS indicators on the High-speed Analog Input Units to check the NX Unit status and
level of errors.
This section describes the meanings of errors that the TS indicator shows and the troubleshooting pro-
cedures for them.
In this section, the status of the indicator is indicated with the following abbreviations.
Abbreviation Indicator status
Lit Lit
Not Lit Not lit
FS ( ) Flashing. The numeric value in parentheses is the flashing interval.
--- Undefined
Main Errors and Corrections
The main errors and corrections for the High-speed Analog Input Units are given in the following table.
TS indicator
*1
Cause Correction
Green Red
Lit Not Lit --- --- (This is the normal status.)
FS (2 s) Not Lit
•
Initializing
•
Downloading
--- (Normal. Wait until the processing is com-
pleted.)
Lit Lit This status is not present
Not Lit Not Lit The Unit power supply is not
supplied. 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.
•
Waiting for initialization to start
•
Restarting
--- (Normal. Wait until the processing is com-
pleted.)
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. If this happens, replace the Unit.
Not Lit Lit Hardware failure If this error occurs after you cycle the Unit pow-
er supply, replace the Unit.
Not Lit Lit Non-volatile Memory Hardware
Error Refer to Non-volatile Memory Hardware Error
( page 9 - 14).
Not Lit Lit Analog Unit Calibration Parame-
ter Error Refer to Analog Unit Calibration Parameter Er-
ror ( page 9 - 15).
9 Troubleshooting
9 - 3
NX-series Analog I/O Units User’s Manual for High-speed Analog Input Units (W592)
9-2 Checking for Errors with the Indicators
9