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5 Troubleshooting
NA-series Programmable Terminal Hardware(-V1) User’s Manual (V125)
5-2 Troubleshooting
5
5-2-4 Causes and Correction When You Cannot Go Online from the Sysmac Studio
The following table lists the possible causes when you cannot go online with the NA Unit from the Sys-
mac Studio.
5-2-4 Causes and Correction When You Cannot Go Online from the
Sysmac Studio
Cause Description Correction
Incorrect settings
or faulty communi-
cations path
There is a mistake in the settings that the
Sysmac Studio uses to go online with the
NA Unit. Or, the communications path is
faulty.
Refer to Troubleshooting Incorrect Settings
and Faulty Communications Path on page
5-8.
Fatal Errors in the
NA Unit
A fatal error occurred in the NA Unit. Refer to 5-2-1 Confirming NA Unit Operation
on page 5-5.
High load on the
NA Unit
The load on the NA Unit is too high and time
cannot be obtained to connect with the Sys-
mac Studio.
Execute system recovery, reduce the project
load, and then download the project again.
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