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7. Maintenance
7.1 Maintenance and inspection
To use J.NET modules under optimum conditions, perform the inspections shown in Table 7-1 periodically (at
least twice a year).
Item
Unit cleaning
Mechanical check
7.2 Replacing or adding the module
For details about how to replace or add the J.NET module, see Chapter 14. Replacing or Adding Modules in the
S10VE User's Manual General Description (manual number SEE-1-001).
7.3 Troubleshooting
As a guide for troubleshooting a J.NET module, use the indicator of the CPU module and LED indicators (ERR
LED, TX LED, and RX LED) of the J.NET module.
For details about how to perform troubleshooting, see Chapter 13. Troubleshooting in the S10VE User's Manual
General Description (manual number SEE-1-001).
Table 7-1 Maintenance and inspection items
Turn off all the power supplies and then vacuum the interior of the
J.NET module through the slits in its casing. Do not scatter dust
during cleaning.
Check J.NET module mounting screws and communication cable
mounting screws for looseness and damage. Tighten any loose
screws and replace any damaged ones.
Description
7-1
7. Maintenance
Frequency
At least twice a year
At least twice a year
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