Hioki PD3259-50, Instruction Manual

Page: 72 / 86

66
Troubleshooting
Symptom Check item Remedy
Reference
page
Phase detection
results fail to
stabilize.
Does the
measurement target
carry voltage with a
frequency of 50 Hz
or 60 Hz?
The instrument does
not support circuits
with a frequency of
400 Hz.
The instrument is
designed exclusively
for use for measuring
circuits with a
frequency of 50 Hz
and 60 Hz (accuracy
guarantee frequency
range: 45 Hz to
66 Hz).
The instrument
cannot measure
circuits with a
frequency of 400 Hz
accurately.
−
Have the voltage
sensors been
properly affixed to
the cables?
Check if each
voltage sensor has
been properly affixed
to the cable.
p. 34
Have a voltage
sensor been affixed
to two or more
cables?
Affix each voltage
sensor to just one
cable.
p. 34
The instrument
displays lower
values than the
actual voltage.
Have the insulated
cables under
measurement got
soiled or wet?
Wipe the insulation
surfaces clean with
a dry cloth before
measurement.
−
The instrument
displays
measured values
with no signal
inputted.
Is there any metal
with floating voltage
close to the voltage
sensors?
The instrument may
be subjected to
effects of dielectric
voltage, displaying
values. This does
not represent a
malfunction.
HIOKI PD3259C961-00