NF HVA4321, Инструкция по эксплуатации

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4.4 Operation example in constant c constant voltage mode
HVA4321
4-49
！
Figure4-63. Internal high voltage DC power ON
After this operation, the internal high voltage DC power supply is ON. High voltage is generated inside the
unit.
Be careful not to touch the area like an output terminal to which high voltage is applied.
○ When the SIGNAL OFF switch remains blinking.
When the SIGNAL OFF switch remains blinking after unlocking the HIGH VOLTAGE POWER
SUPPLY switch, check the following:
1) Is the shorting plug inserted into the HIGH VOLTAGE POWER SUPPLY ON/OFF terminal at the
back?
Action
Insert the shorting plug for operation in LOCAL mode.
2) Is the DC CURRENT value the minimum and is TRIP selected?
Action
Increase the current limit or select LIMIT.
3) Is temperature of exhaust air extremely high?
Action
Temperature in the casing may be too high. Leave the unit at a cool environment for dozens of
minutes. Then, turn ON the HIGH VOLTAGE POWER SUPPLY switch again.
4) Are all fans at the back operating?
Action
Check if there is any object that blocks rotation of a fan. If a fan does not rotate without any
blocking, the fan may be faulty. It must be repaired.
WARNING
HI GH VOLTAGE
POWER SUPPLY
PUSH OFF
ON
OFF
危険防止のため、 出力の配線を 変更する と き は必ず
上のス イ ッ チを 押し て Ｈ Ｖ 電源を ＯＦ Ｆ し て く ださ い。
PULL ON
右 に 回 し て 、 ロ ッ ク を 解 除 し ま す 。
ON のLED が 点 灯 し ま す 。
Turn to the right for unlocking.
ON LED lights.
Be sure to press the above switch to turn OFF
the HV power for safety when the output wiring
is changed.