67
Troubleshooting
Symptom
Check and/or corrective action
Nothing appears in
the display.
Or the display
disappears after a
short time.
Check that the battey is not exhausted.
Replace with a new battery. (p. 22)
Check that the auto power save function has
not been activated.
Check the setting of the auto power save
function. (p. 51)
The measurement
value does not
appear.
Even after the
measurement, 0
(zero) still appears.
Even after short
circuit of the probe,
the measured value
does not appear.
Zero adjustment is
not possible.
Check that the test lead is not broken.
Perform the continuity check to con
fi
rm the
continuity of the test leads. (p. 30)
If the test lead is broken, replace the lead.
Check that the test leads have been inserted
at the ends.
Check that the measurement method is
correct.
If no problems have been found, the
instrument may be malfunctioning. Send the
instrument for repair.
The display does
not stabilize and the
value
fl
uctuates; it is
dif
fi
cult to read the
value.
Check that the input signal is within the input
range for the instrument.
If there is any in
fl
uence from noise, use the
fi
lter function of the instrument. (p. 46)
Turning on the power
brings up the error
display.
When nothing is
connected, the error
display appears.
Reset the instrument. If the same symptom
still occurs even after resetting the instrument,
send the instrument for repair.
Содержание DT4200
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