Hitachi J300U Series instruction manual Before Starting Operation

6. OPERATION

6.1Before Starting Operation

Prior to the test run, check the following.

WARNING

*Be sure to turn on the input power supply after mounting the surface cover. While being energized, be sure not to remove the cover.

Otherwise, there is a danger of electric shock.

*

*

Be sure not to operate the switches with wet hands.

Otherwise, there is a danger of electric shock.

While the inverter is energized, be sure not to touch the inverter terminals even during stoppage.

Otherwise, there is a danger of electric shock.

*If the re-try mode is selected, it may suddenly restart during the trip stop. Be sure not to approach the machine. (Be sure to design the machine so that personnel safety will be secured even if it restarts.)

Otherwise, there is a danger of injury.

*Even if the power supply is cut for a short period of time, it may restart operation after the power supply is recovered if the operation command is given. If it may incur danger to personnel, be sure to make a circuit so that it will not restart after power recovery.

Otherwise, there is a danger of injury.

*The Stop Key is effective only when the function is set. Be sure to prepare the Key separately from the emergency stop.

Otherwise, there is a danger of injury.

*After the operation command is given, if the alarm reset is conducted, it will restart suddenly. Be sure to set the alarm reset after checking the operation command is off. Otherwise, there is a danger of injury.

*Be sure not to touch the inside of the energized inverter or to put a bar into it. Otherwise, there is a danger of electric shock and/or fire.

6-1