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8.3 Troubleshooting
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Symptom
What to check and Solution
The screen does not
illuminate when the
power is turned on.
Is the power cord disconnected?
･
Connect the power cord.
Has the fuse blown?
･
Replace the fuse.
The test will not begin
even if the
START
key is pressed.
Is READY lit?
Is EXT lit?
･
The external I/O and the remote-control box have
priority over the unit's
START
key. Turn off the
power to disable the external I/O and the remote-
control box, then turn on the power.
Is Double Action s et in O ptiona l Fun ctio ns?
･
IfDoubleActionisset,pressthe
STOP
key first and
then press the
START
key.
Is the STOP signal, at the LOW level, inputting via the
external I/O connector?
･
The START
key has a lower priority than the STOP
signal.
Switch the STOP signal to the HIGH level when the
START
key is pressed.
Does the
STOP
key remain pressed for any reason?
･
The START
key has a lower priority than the
STOP
key.
･
Do not leave the
STOP
key pressed when the
START
key is pressed.
The unit is reset
during the test. / The
current value is not
measured correctly.
Does spark discharge occur during the test?
The noise generated by the spark discharge may lead to
a malfunction of the unit.
･
Attach a ferrite around the test lead (high-voltage side)
close to the unit.
･
Connect the current limiting resistor the degree of
which has no influence on the test between the output
terminal and the tested object.
(Beware of the power rating and the withstand-voltage
of the resistor.)
8.3 Troubleshooting
If the unit is not functioning properly, check the following items before sending it
for repair.
If any of the following should occur, stop using the unit, disconnect the power cord
and probe, and contact your dealer or HIOKI representative.
･
If you are certain that the unit is damaged.
･
If the measurement you wish to perform is inoperative.
･
If the unit was stored for a long period of time in high temperatures and humidity,
or other undesirable conditions.
･
If the unit was damaged in transit.
Notes on Transportation
･
To ensure safe handling, when transporting the instrument, please use the original
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