121
Troubleshooting
Error display and remedy
When an error is displayed on the LCD screen, repair is necessary. Please contact your authorized
Hioki distributor or reseller.
Display Error No. Cause Countermeasures
OverRange None
The measurement value
exceeds the impedance
measurement range.
Set the correct range.
+Over°C None
The measurement value
exceeds the temperature
measurement range. The
measurement voltage range is
-10.0°C to 60.0°C.
The measured temperature is too
high and cannot be measured by
this instrument.
-Under°C None
The measurement value
lowers the temperature
measurement range. The
measurement voltage range is
-10.0°C to 60.0°C.
The measured temperature is too
low and cannot be measured by
this instrument.
--.-°C None
The temperature sensor is not
connected.
Connect the temperature sensor to
the instrument.
---- None
The measurement current
cannot be applied.
• Check that the probe is in secure
contact with the object being
measured.
• Check that the cable is not
disconnected and/or the probe is
not worn.
• The measurement range may
not be suitable. Select a larger
measurement range.
• When the measurement probe
is self-made, some of the wiring
resistance may be too high.
Make the wire diameter larger
and wire length shorter to reduce
the wiring resistance.
• Check that the measuring object
is ungrounded.
RETURN CABLE
ERROR
None
The return cable is not
connected.
• Connect the return cable. (The
return cable connects the shields
of SOURCE-H and SOURCE-L.)
• Check that the wire connection of
the probe is correct.
• If the error does not go off even if
the return cable is connected, the
instrument may be malfunction.
Request repairs.
CONTACT ERROR H None
It is not properly connected
between SOURCE-H and
SENSE-H.
• Check that the probe is in secure
contact with the object being
measured.
• Check that the cable is not
disconnected and/or the probe is
not worn.
CONTACT ERROR L None
It is not properly connected
between SOURCE-H and
SENSE-H.
• Check that the probe is in secure
contact with the object being
measured.
• Check that the cable is not
disconnected and/or the probe is
not worn.
11
Maintenance and Service
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