Hioki IR4055 - Page 75

69
Troubleshooting
Symptom Check Items Remedy and Reference
Unable to perform
measurement.
Are you setting the rotary
switch while the MEASURE
key turned on?
Turn off the MEASURE key
and then press it again.
Is the voltage between the
measuring terminals over
any of the following values
before turning on the
MEASURE key?
50 V to 250 V range:
Approx. 90 V
500 V and PV
Ω
500 V
ranges: Approx. 500 V
1000 V and PV
Ω
1000 V
ranges: Approx. 1000 V
Separate the measuring
object from all sources of
power before performing
measurement.
Unable to perform
measurement in
500 V, 1000 V or
PV
Ω
range.
Is the instrument locked so
as to prevent inadvertent
voltage application?
Release the lock function.
(p. 35)
In the 500 V range,
1000 V range or
PV
Ω
range, turning
on the MEASURE
key enables the
lock function that
has been released.
Is the battery new?
Does the battery have
sufcient charge?
Is alkaline battery used?
Replace the batteries with
new alkaline batteries. *
1
(p. 22)
Has 1 minute lapsed after
the last operation?
Release the lock function
again. (p. 35)
The measured
value is shown
as the maximum
display value.
Is there a broken
connection in a test lead?
Check the continuity of the
test lead with a tester.
Are the test leads securely
connected?
Check the connection
between the test leads and
the instrument, and check
the connection of the tips of
the test leads.
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付録索引
HIOKI IR4057B961-00