Hitachi AMS 2100, Service Manual

Page: 150 / 192

5–2
Maintenance
Hitachi AMS 2000 Family Storage System Service Guide
Before starting general maintenance
Periodic maintenance items
Table 5-1 shows periodic maintenance items of the array. Inspect and clean
the array regularly according to the operating environment.
Table 5-1: Periodic Maintenance Items
Item Interval
1
Task
Normal Time
Required
Inspection
Inspect fans
Power Unit
and Fan Unit Yearly
Inspect fans 5 minutes
Clean the array
Front bezel Yearly
Clean the array
5 minutes
Rear cover Yearly 5 minutes
Rear door Yearly 5 minutes
1.The maintenance intervals were set on the assumption that the average operation hours of
the array is 400 hours/month. Change the intervals according to the operating hours per month
of your system. See
Table 5-2
.
Table 5-2: Changing Maintenance Intervals
Task
Factors requiring change of maintenance interval
Remarks
Reasons to shorten
maintenance intervals
Reasons to lengthen
maintenance intervals
• Inspecting
fans
• Cleaning the
array
• Long operating hours
• Installation environment is
bad.
• To fit the interval for user’s
operation schedule.
• To improve service for the
user
• Necessity to shorten the
interval is recognized for
other reason.
• Short operating hours
• Installation
environment is
excellent.
Also examine items to
be added to the factors
shown on the left such
as the frequency of the
array failure
occurrence and items
common to the array
and a connected
system.