5
Replace the fuse, follow these steps:
(1) Turn off the power switch and unplug the power cord;
(2)
Fixed with a screwdriver to open the fuse holder as shown below;
(3) Check and replace the fuse, it must be the same with specifications listed in the 1.7.1;
(4) The fixed fuse holder should be back in its original location.
1.8
Grounding
Warning
：
* Improper grounding or not grounding may cause electric shock;
To ensure safety, we must ensure a reliable ground equipment;
There are two ways to ensure reliable grounding equipment, please select one of the two
methods to connect the instrument to ground reliably.
(1) Connect the power cord into a grounded three-phase power outlet.
If the three-phase power supply plug is not grounded, the instrument's rear panel has
a protective earth terminal, connect the protective earth ground terminal to safety ground.
Ground terminal on the rear panel as shown below.
II. Notice Before Use
Before operation, please read the notice carefully
。
Warning
：
The maximum output voltage of this tester is 20kV; When user is operating, user
must follow the warning, notice and other explanation.
1.Prohibit operation
（
1
）
Do not press the power switch continuously and fastly.
If you want to turn on the power switch after turning off the power switch, make sure the
power switch is turned off after a few seconds or longer. Do not turn on or turn off the
