Hioki LR8431, Instruction Manual

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11.1 Troubleshooting
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Replaceable Parts and Operating Lifetimes
Useful life depends on the operating environment and frequency of use. Operation
cannot be guaranteed beyond the following periods
For replacement parts, contact your dealer or Hioki representative.
The fuse is housed in the power unit of the instrument. If the power does not turn on, the
fuse may be blown. If this occurs, a replacement or repair cannot be performed by custom-
ers. Please contact your dealer or Hioki representative.
Maintenance and

Service
Chapter 11
11.1 Troubleshooting
Inspection and Repair
Do not attempt to modify, disassemble or repair the instrument; as
fire, electric shock and injury could result.
If damage is suspected, check the "Before Returning for Repair"
(p.148) section before contacting your dealer or Hioki representative.
Transporting
• Use the original packing materials when transporting the instru-
ment, if possible.
• Pack the instrument so that it will not sustain damage during
shipping, and include a description of existing damage. We can-
not accept responsibility for damage incurred during shipping.
Part Life
LCD (to half
brightness)
Approx. 10,000 hours
Model 9780

Battery pack
60% of initial battery capacity can be expected to remain after 500 com-
plete charge/discharge cycles.
Battery pack

connectors
Disconnection/connection times: 30 (the number of times that provides
stable connection)
Electrolytic

Capacitors
Approx. 10 years
Lithium Battery
Approx. 5 years
The instrument contains a built-in backup lithium battery. If the date and
time deviate substantially when the instrument is switched on, it is the
time to replace that battery. Contact your dealer or Hioki representative.