Hioki DT4282 - Page 109

103
Troubleshooting
Symptom Check and/or remedy
The display does
not stabilize and the
value uctuates; it is
difcult to read the
value.
The display does not stabilize due to the inuence
of noise and/or input signals.
Set the display update slower (press SLOW for
1 second) so that the display uctuation can be
eliminated. (p. 59)
Less than 5% of each range is outside of the
guaranteed accuracy at AC voltage (V AC, mV AC),
DC+ACV measurement, and AC (ACμA, ACmA,
ACA).
Less than 15% of each range is outside of the
guaranteed accuracy at AC clamp measurement.
The measured value does not stabilize if the
measurement signal is small.
[-----] appears in the
display.
[----] appears when the rotary switch position is
not conrmed. Set the rotary switch to the proper
position.
The measured value
of the frequency
does not stabilize.
The display does not stabilize due to the inuence
of noise and/or input signals.
The range cannot be
changed.
The measurement range cannot be changed when
[REL] is lit. To change the range, press REL for at
least 1 second to reset the REL function.
Turning on the power
brings up the error
display.
When nothing is
connected, the error
display appears.
Reset the instrument. (p. 76)
If the same symptom still occurs even after
resetting the instrument, send the instrument for
repair.
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7
Appx. Ind.
HIOKI DT4281A981-08