11.2 Cleaning
196
If any of the following should occur, stop using the instrument, disconnect the
power cord and test lead, and contact your dealer or HIOKI representative.
• If you are certain that the instrument is damaged.
• If the measurement you wish to perform is inoperative.
• If the instrument was stored for a long period of time in high temperatures and
humidity, or other undesirable conditions.
• If the instrument was damaged in transit.
To clean the instrument, wipe it gently with a soft cloth moistened with water or
mild detergent. Never use solvents such as benzene, alcohol, acetone, ether,
ketones, thinners or gasoline, as they can deform and discolor the case.
The test will not begin
even if the
START key
is pressed.
Is Double Action activated in the optional function
setting?
→ Press the STOP key first and then press the
START key.
See"6.1.3 Double Action" (p. 81)
Is the STOP signal (LOW) still sent from EXT I/O?
→ START signal’s priority becomes lower than the
STOP signal. Change the STOP signal to Hi at the
START status.
Is the
STOP key accidentally pressed?
→ START signal’s priority becomes lower than the
STOP signal. Do not press the
STOP key at the
START status.
Is any cable broken or poorly connected in the Con-
tact Check Function setting?
→ Check the wire layout, be careful not to get an
electric shock.
Is a voltage higher than the output voltage limit value
set?
→ Check the test voltage and output voltage limit val-
ues. Test will not start if the output voltage is set
higher than the output voltage limit value.
See"6.1.5 Output-Voltage Restricting" (p. 83)
Instrument resets itself
during testing or elec-
tric current measure-
ment is unusual.
Are there any fire spark electrical discharge during
testing?
The instrument may not function properly due to
noise caused by fire spark electrical discharge.
→ Insert ferrite near to the high voltage test lead side
of the instrument.
→ Insert a current limit resistor which will not affect
the tests into the input terminal (take note of the
rated power and withstand-voltage of the resistor)
Symptom Check item and Remedy
11.2 Cleaning
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