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Yaskawa VS mini J7 Series User Manual

Page 7

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7

WARNING

(Ref. page)

• For 400V class, make sure to ground the supply neutral.
• Make sure to ground the ground terminal

according to the

local ground code.
Failure to observe this warning can result in electric shock
or fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

CAUTION

(Ref. page)

• Verify that the inverter rated voltage coincides with the

AC power supply voltage.
Failure to observe this caution can result in personal injury
or fire.

• Do not perform a withstand voltage test of the inverter.

It may cause semi-conductor elements to be damaged.

• Make sure to tighten terminal screws of the main circuit

and the control circuit.
Failure to observe this caution can result in a malfunction,
damage or a fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

• Never connect the AC main circuit power supply to output

terminals U, V and W.
The inverter will be damaged and void the warranty. . . . . . . . . . . . . . . . . . . . 42

• Do not connect or disconnect wires or connectors while

power is applied to the circuit.
Failure to observe this caution can result in personal injury.

• Do not change signal/control wiring during operation.

The machine or the inverter may be damaged.