Hioki 3286-20, Instruction Manual

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Chapter 7 Troubleshooting
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Symptom Confirmation item. and etc.
Cannot be measured.
"
- - - - " will be
displayed.
Becomes fixed.
(1
φ
PF meter, 3
φ
PF meter)
Confirm the direction of the clamp sensor, and
connections of the voltage cord.
(Frequency measurement)
Check the waveform. Some special frequencies can't
be measured, such as those of inverters.
Check that the input value corresponds to 1 A or less
and 10 V or less.
The desirable
measurement data
aren't taken.
(The measured value
is smaller or larger
than the estimated
value. (1
φ
P meter, 1
φ
PF meter, 3
φ
PF meter)
Confirm the direction of the clamp sensor, and
Connections of the voltage cord.
Check that the clamp sensor is firmly closed.
Check that the battery warning annunciator
is off.
The display
fluctuates largely at
the peak display. There is a possibility to fluctuate 2 or 20 counts when
the input becomes big.
If the cause cannot be determined after troubleshooting, reset to their initial
values. To reset, hold down the
RANGE
key at instrument power-on.
The entire LCD will go on, and " " will appear. This resets the
saved contents to their initial values.
Symptom Treatment
An indication Err1 to Err5 appears. Send the instrument for repair.