40
Supplying Power to the Instrument
Turning the instrument on
1
Connect the voltage cords, current sensors, and power cord.
2
Press the power key.
The instrument is turned on and starts a self-test (self-diagnosis by the instrument, approx. 10 s).
Once the self-test is nished, the Input screen’s [WIRING] page will be displayed (default setting)
If the startup screen is set to [LAST], the screen when the instrument was last turned o will be displayed.
See “2.1 Inspecting the Instrument before Use” (p. 32).
3
Start the measurement after a standby time (warming up) of 30 minutes or more.
4
Perform the zero adjustment.
See “2.7 Zero Adjustment and Degaussing (Demagnetization)” (p. 46).
IMPORTANT
If an issue is found with any of the self-test steps, the startup process will stop on the self-test
screen. If the process stops again after you cycle the instrument, it will be malfunctioning. Perform
the following steps:
1. Stop measurement, shut o power to the lines under measurement or disconnect the voltage cords and
current sensors from the lines under measurement, and turn o the instrument.
2. Disconnect the power cord and all measurement leads and sensors.
3. Contact your authorized Hioki distributor or reseller.
Turning the instrument o
To turn o the instrument, shut down the instrument on the screen and then press the power key.
NOTICE
Remove the voltage cords and the current sensors from the lines to be
measured before turning o the instrument.
Doing so could damage the instrument.
1
Tap [SHUTDOWN] at the lower right of the screen.
The conrmation window will open.
2
Tap [Yes] to shutdown the instrument.
The instrument enters the following state during the shutdown process:
• The fan inside the instrument keeps rotating.
• The MEAS, INPUT, SYSTEM, FILE keys light up simultaneously.
3
After the display on the screen disappears, press the power key.
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