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SAFETY PRECAUTIONS
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!
WARNING
Wiring:
• Wiring work shall be carried out by electrical experts
Otherwise, there is a danger of electric shock, fire and/or damage of product.
• Implement wiring after checking that the power supply is off.
Otherwise, there is a danger of electric shock and/or fire.
Operating:
• Be sure not to touch the surface or the terminal of option board while energizing.
Otherwise, there is a danger of electric shock and/or fire.
• Be sure not to remove the digital input option printed board while operating.
Otherwise, there is a danger of electric shock and/or fire.
Maintenance, Inspection and Part Replacement:
• Wait at least 10 minutes after turning off the input power supply before performing maintenance and
inspection.
(Confirm the charge lamp on the inverter is off, checks direct current voltage between P-N terminals and
confirm it is less than 45V.)
Otherwise, there is a danger of electric shock.
• Make sure that only qualified persons will perform maintenance, inspection, and part replacement
(Before starting the work, remove metallic objects from your person (wristwatch, bracelet, etc.).
Be sure to use tools protected with insulation)
Otherwise, there is a danger of electric shock, and/or injury.
Note:
• Never modify the unit.
Otherwise, there is a danger of electric shock and/or injury.
CAUTION
Installation:
• Be sure not to let the foreign matter enter such as wire clippings, spatter from welding, metal shaving,
dust, etc.
Otherwise, there is a danger of fire.
• Be sure to fix inverter to option printed board with an attached fixed screw.
Otherwise, there is a danger of connecting error.
• Be sure to fasten the screws connecting signal wire in side of option printed board. Check for any
loosening of screw.
Otherwise, there is a danger of connecting error.
Wiring:
• Be sure to fasten the screws not to loose.
Otherwise, there is a danger of connecting error.
Operation:
• Check rotary direction, abnormal motor noise and vibrations during operating.
Otherwise, there is a danger of injury to personnel and/or machine breakage.