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Pre-Operation Inspection
3.2 Pre-Operation Inspection
DANGER
Inspect the instrument and verify proper operation before
use.
Use of the instrument while it is malfunctioning will result in serious
bodily injury.
If you nd any damage, contact your authorized Hioki distributor or reseller.
Inspecting the instrument
Inspection item Action
The battery level is sucient. Turn the rotary switch to any position other than OFF. With
the power on, check the battery indicator at the top-right
corner of the LCD.
If the
symbol is blinking, the battery level is low.
Replace the batteries with fresh ones. When using nickel-
metal hydride batteries, charge the batteries.
See “2.1 Inserting/Replacing Battery” (p. 27).
The display has no missing
segment.
Check with the fully lit display.
If any parts are missing, request repair.
See “5.7 Power On Options List” (p. 82).
The live line warning display
(MEASURE key) works properly.
Check with the following procedure.
1. Turn the rotary switch to one of the selections between
250 V and
2505k
▲
▼
V
.
2. Press the MEASURE key for at least one second.
3. Check if the MEASURE key is blinking.
4. Press MEASURE key to end the check.
If the key is not blinking, do not use the instrument and
request for repair.
The instrument does not have
any damage or cracks.
Check visually.
If the instrument is damaged, do not use it. Request repair.
The measurement terminals do
not have any foreign matter, such
as sand, in them.
Remove any foreign objects if any.
If the foreign objects cannot be removed, request repair.
Inspecting the accessories and options
Inspection item Action
The test leads or cables have no
damaged insulation or no exposed
inner white parts or metal.
If you nd any damage, there is a risk of electric shock.
Replace the parts with Hioki-specied parts.
The clips or test pins does not
have any damage or cracks.
Check visually.
Do not use if damaged. Replace the parts with new parts.
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