13.1 Trouble Shooting
215
Chapter 13 Maintenance and Service
13
Replaceable Parts and Operating Lifetimes
Properties of some parts used in the instrument may deteriorate after a long-term
use. The regular replacement of those parts is recommended to use the instrument
properly for a long time. For the replacement of the parts, please contact your autho-
rized Hioki distributor or reseller. Th
e useful lives
of the parts depend on the operat-
ing environment and frequency of use. Operation cannot necessarily be guarante
ed
for the following recommended replacement period of each part.
The fuse is housed in the power unit of the instrument. If the power does not turn
on, th
e fuse m
ay be blown. If this occurs, a replacement or repair cannot be per-
formed by customers. Please contact your authorized Hioki distributor or reseller.
Maintenance
and Service
Chapter 13
13.1 Trouble Shooting
Part Life Remarks
Lithium battery Approx. 10 years
The instrument contains a built-in
backup
lithium
battery, which
offers a service life of about ten
years. If the date and time deviate
substantially when the instrument
is switched on, it is the time to
replace that battery. Contact your
authorized Hioki distributor or
reseller.
Electrolytic Capacitors Approx. 10 years
The service life of electrolytic
cap
acitors varies with the operat-
ing environment. Requires periodic
rep
l
acement.
LCD backlight (50% drop-off
in bright
ness)
Appr
ox. 68 years e.g., when used 2 hours a day
Requires periodic replacement.
Model 9459 Battery Pack
Approx. 1 year or
approx.
500 charge/
recharge cycles
Requires periodic replacement.
Model Z4001 SD Memory
Card 2GB
Dat
a storage of
approx. 10 years or
ap
prox. 2 million
rewrites
The SD memory card service life
varie
s
with the manner in which it
is are used. Requires periodic
replacement.
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