67
Troubleshooting
Display Buzzer Cause Solution
e.g.: for current
measurement
Flashes
red
Intermittent
sound
A current or voltage
exceeding the maximum
input was input to the
instrument.
Stop measurement
immediately as the current or
voltage cannot be measured
by the instrument. For current
measurement, the optional
9290-10 can be used to
measure currents of up to
1000 A AC.
When manual range is 6 A
and 60 A range, this warning
display will not appear.
e.g.: for current
measurement
Lights
red
–
A current or voltage
exceeding the range
was input while using a
manual range.
Change the measurement
range or select the AUTO
range.
Lights
red
Intermittent
sound
Phase detection
indicated reverse phase.
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