Omron NA5-12W series Hardware User Manual page 134

5 Troubleshooting
NA Unit symptom
The indicators light red
and nothing is displayed
on the screen.
The indicators light red
and an initialization mes-
sage is displayed on the
screen.
The indicators light red
and an initialization failed
message is displayed on
the screen.
The indicators light red
and an error dialog box
with a blue title bar is dis-
played.
The indicators light red
and normal operation is
performed.
The indicators flash red
and E_COM_002: Tag
comparison error with xxx
error message is dis-
played.
Errors during NA Unit Operation
 Errors Determined from NA Unit Symptoms
NA Unit symptom
The indicators light red
and operation stops.
The indicators flash red
and normal operation is
performed.
The indicators flash red
and the SD Memory
Card or USB Memory
Device cannot be
accessed.
Nothing is displayed on
the screen.
The touch panel does
not respond.
5 - 10
Cause
The system program is
corrupted. (This is a fatal
error.)
There is a problem with
the connected device.
The runtime middleware is
corrupted.
Initializing runtime middle-
ware failed.
The project is corrupted.
Startup failed.
The tags registered in the
NA Unit do not agree with
the tags in the connected
device.
Cause Correction
There is not enough Change the project to reduce memory usage.
memory.
The voltage of the Bat- Replace the Battery. Refer to 6-2 Replacing the Battery
tery has decreased. on page 6-5 for the battery replacement procedure.
There is an error in the Replace the SD Memory Card or USB Memory Device
SD Memory Card or USB in the NA Unit with a normal one.
Memory Device.
The screen saver was This is not an error. Touch the screen or press a func-
activated. tion key.
The Backlight has failed. The Backlight needs to be replaced. Inquire at the con-
tact given on the back of this manual.
The screen is too dark. Increase the screen brightness setting in the project
and download the project again.
External noise caused a Reset the NA Unit and then implement noise counter-
malfunction. measures in the wiring.
The touch panel is bro- Use the Touch Panel Input Icon on the System Menu
ken. to test the touch panel. If an error is found, inquire at
the contact given on the back of this manual.
NA-series Programmable Terminal Hardware User's Manual (V117)
Correction
Execute system recovery. If the problem recurs after
you execute system recovery, inquire at the contact
given on the back of this manual.
Disconnect all devices except for the power supply and
restart the NA Unit. If the NA Unit starts normally, con-
nect one device at a time and restart the NA Unit each
time to see which device is causing the problem.
Execute system recovery. If the problem recurs after
you execute system recovery, inquire at the contact
given on the back of this manual.
Download the project again and update the runtime
middleware. If the problem recurs after the download,
execute system recovery.
Download the project again. If the problem recurs after
the download, execute system recovery.
Restart the NA Unit.
Match the tags in the NA Unit with the tags registered
in the connected device.