Hioki IM3570 - Chapter 14 Maintenance and Service; Inspection, Repair and Cleaning

14.1 Inspection, Repair and Cleaning
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Chapter 14 Maintenance and Service
Before requesting instrument repair or inspection, please read "Before returning for repair" (p. 405) and
Section "Error display" (p. 407).
Certain parts require replacement periodically and at the end of their useful life: (Useful life depends on
the operating environment and frequency of use. Operation cannot be guaranteed beyond the following
periods)
Maintenance
and Service Chapter 14
14.1 Inspection, Repair and Cleaning
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. 405) section before
contacting your dealer or Hioki representative.
• If the fuse blows, do not attempt to replace the fuse or repair the instrument: contact your
dealer or Hioki representative.
• If damage is suspected, check the"Before returning for repair" (p. 405) section before
contacting your dealer or Hioki representative.
However, in the following cases, immediately stop using the instrument, unplug the
power cord and contact your dealer or Hioki representative.
• When the nature of the damage is clearly evident
• When measurement is impossible
• After long-term storage in adverse conditions such as high temperature or humidity
• After being subject to severe shock during transport
• After severe exposure to water, oil, or dust (internal insulation can be degraded by oil
or water, causing increase hazard of electric shock or fire)
Replaceable Parts
Part Life Remarks
Electrolytic
Capacitors
Approx. 10 years
The useful life of electrolytic capacitors depends on the operating environ-
ment.Periodic replacement is necessary.
Lithium battery Approx. 10 years
The instrument incorporates a lithium battery for backup. The life of the back-
up battery is approximately 10 years. If the date and time greatly differ from
the actual date and time when the power is turned on or a backup error ap-
pears at startup, it is time to replace the battery.
Contact your dealer or Hioki representative.
Fan motor
Approx. 50,000
hours
Periodic replacement is necessary.
LCD backlight
(to half brightness)
Approx. 50,000
hours
Periodic replacement is necessary.