
Chapter 18 585
Information on Maintenance
Replacement of Parts with Limited Service Life
18. Information on
Maintenance
Replacement of Parts with Limited Service Life
This instrument incorporates parts with limited service life as shown in Table 18-1. Using
the recommended replacement time shown in Table 18-1 as a guide, request the
Company’s Service Center to replace these parts. However, a part may need to be replaced
at an earlier time than that listed in the table, depending on such conditions as location,
frequency of use, and where it is stored.
NOTE Each service life and recommended replacement time listed below is for reference only and
does not imply a guarantee of the part’s service life.
Table 18-1 Parts with Limited Service Life
Part Name Service Life (Parts supplier reference
value)
Recommended
replacement time
Hard Disk Drive
*1
*1.Exchanging hard disk drives causes the contents written after shipment from the factory
(LAN setup, etc.)to be initialized to the state at the time of shipment. The programs and
data stored in Drive D (user directory) are erased.
5 years or 20,000 operating hours,
whichever comes earlier
3 years
Floppy disk drive
*2
*2.The service life may be significantly shorter when used in a dusty and dirty environ-
ment.
5 years or 30,000 operating hours,
whichever comes earlier
4 years
Main fan
*2
50,000 operating hours 5 years
CPU fan
*2
50,000 operating hours 5 years
Power supply
*2
50,000 operating hours (Depends on the
service life of the power supply cooling
fun)
5 years
LCD screen backlight
*3
*3.When the unit is used for automatic measurements in a production line and the
on-screen information is not required, the life of the LCD backlight can be saved by
turning it off. As for the method of turning the backlight off, refer to “Turning off the
LCD Screen Backlight” on page 450.
50,000 operating hours 5 years
Touch screen (function) One million times (dotting life) 5 years
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