9.1 Troubleshooting
163
9
Replaceable Parts
Certain parts require replacement periodically and at the end of their
useful life: (Useful life depends on the operating environment and fre-
quency of use. Operation cannot be guaranteed beyond the following
periods)
• The instrument contains a built-in backup lithium battery, which offers a ser-
vice life of about ten years. If the date and time deviate substantially when the
i
nstrument is switched on, it is the time to replace that battery. Contact your
dealer or Hioki representative.
• The fuse is housed in the power unit of the instrument. If the power does not
tu
rn on, the fuse may be blown. If this occurs, a replacement or repair cannot
be performed by customers. Please contact your dealer or Hioki representa-
tive.
• The instrument contains many electrolytic capacitors. The useful life of electro-
lytic capacitors varies greatly according to the operating environment, so they
may
need to be replaced periodically.
Maintenace and
Service
Chapter 9
9.1 Troubleshooting
Inspection and Repair
Never modify the instrument. Only Hioki service engineers should dis-
assemble or repair the instrument. Failure to observe these precautions
m
ay result in fire, electric shock, or injury.
If damage is suspected, check the "Before returning for repair" (p. 164)"
section before contacting your dealer or Hioki representative.
Transporting
• Use the original packing materials when transporting the instrument, if
possible.
• Pack the instrument so that it will not sustain damage during shipping,
and include a description of existing damage. We cannot accept
responsibility for damage incurred during shipping.
Part Life
Lithium Battery Approx. 10 years
Backlight
(to half brightness)
Approx. 36,000 hours
Battery pack Approx. 1 year
Electrolytic Capacitors Deterioration occurs after about 10 years when used in se-
vere environments (temperatures around 40°C).
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