Hioki IR4053, Instruction Manual, Page: 74 / 88

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Troubleshooting
5.1 Troubleshooting
Before Returning for Repair
If damage is suspected, check the following before contacting your
authorized Hioki distributor or reseller.
Symptom Check Items Remedy and Reference
The power is not
turning on.
Does the battery have
sufficient charge?
Replace with the new
batteries. (p. 22)
Have the batteries been
installed improperly?
Install the batteries in the
proper orientation.(p. 22)
The batteries run
out immediately.
Are you using alkaline
batteries?
Replace the batteries with
alkaline batteries.(p. 22)
The MEASURE
key is not working
for the lead with a
switch.
Is the plug of the lead with
a switch fully inserted?
Fully insert the plug to the
limit without any gaps.
(p. 25)
During insulation
resistance, low
resistance, or PV
Ω
measurement, the
live circuit indicator
and the display
blinks in red, and
the buzzer sounds.
Does the voltage applied
between the measurement
terminals exceed the
following values?
Insulation resistance, PV
Ω
:
approx. 20 V
Low resistance: approx. 5 V
Make sure that the
measuring object is
disconnected from a live
circuit. If voltage exists in
the measuring object, the
live circuit indicator blinks.
HIOKI IR4057B961-00