Hitachi HF-W2000, Instruction Manual

Page: 324 / 325

APPENDIX HANDLING REPLACEABLE COMPONENTS
NOTICE
Do not use a replaceable component for longer than the recommended
replacement cycle. If you do, a deteriorating or worn-out component may cause
the equipment to fail.
・
As you use a component, it gradually deteriorates and becomes subject to wear and tear. The
following components must be replaced at fixed intervals.
・
Replacement of these components is not free of charge.
・
The recommended replacement cycle in the following table assumes that the average ambient
temperature of the system unit is 25°C or less.
Note that when the average ambient temperature exceeds 25°C, the replacement cycle may be
shortened in some cases.
Replaceable
component
Recommended replacement
cycle
Note
HDD 2 years If the equipment is running 24 hours/7 days a week, the
replacement cycle is two years.
If the equipment is not running 24 hours/7 days a week,
the HDD should be replaced every four years or when the
power-on hours count exceeds 20000 hours, whichever
comes first.
In order to ensure quick recovery of corrupted files,
routinely back up your files.
SSD 7 years or the limitation of
Program / Erase Count,
whichever comes first
The expected life based on the limitation of Program /
Erase Count is able to calculate from the following
formula. The SSD should be replaced before the expected
life.
In order to ensure quick recovery of corrupted files,
routinely back up your files.
DVD drive 4 years
Dust filter 1 year If you do not replace a filter regularly, failure or shorter
life span of the equipment may result.
Keyboard
(Option) 4 years
Mouse
(Option) 4 years
Expected life [GB] =
Capacity of SSD [GB]
×
50,000 [counts]
Capacity of Program / Erase [GB/day]