Maintenance And Replacement; Basic Concept Of Maintenance; Periodical Maintenance - NEC Express 5800 Maintenance Manual

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4. Maintenance and Replacement

4.1 Basic Concept of Maintenance

If a failure occurs during operation, be sure to dump the data if possible (if you can dump
the data by actually performing the dump procedure).
If having dumped the data, issue the Difficulty Form to request for detailed analysis by
taking the designated steps.

4.2 Periodical Maintenance

Table 4.1 shows the periodical maintenance items.
No. Maintenance Item
1 Clean the areas around the fan.
2 Confirm that the switches work
correctly.
If an option is additionally installed, follow the periodical maintenance instructions for the option.
Table 4.1 Periodical Maintenance Items
Cycle Remarks
Semiannual
Semiannual