8 Inspection and Maintenance
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Safety Information
To Prevent Electric Shock
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Never perform wiring at power-on.
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capacitors can discharge safely. Wait at least the required interval before power-on again.
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Never modify wiring, disconnect the cable, remove the optional board or replace the
cooling fan while the controller is running.
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Make sure to connect the grounding terminal of the motor to ground. Otherwise, you will
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personnel.
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Installation, wiring, commissioning, repairing, checking and component replacement can
only be performed by personnel familiar with installation, commissioning or maintenance
Warning
To Prevent Fire
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NEVER run the controller with the protective cover removed.
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The drawings in the manual are sometimes shown without covers or protective guards.
operations in accordance with the instructions.
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cable connection from overheating after becoming loose.
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Never misconnect the main circuit. This is to ensure that the input voltage is within the
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incombustible surfaces such as a metal wall.
Caution
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Never install or remove the motor while the controller is running. Failure to comply may
result in electric shock and damage to the controller.
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Use shielded cables for control circuit wiring.
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Meanwhile, connect the shield to ground reliably at one end to prevent controller
malfunction.
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Never modify the controller circuit. Failure to comply will damage the controller.
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Make sure to connect the controller output terminals to the motor terminals correctly.
Considering the characteristics of the synchronous motor, you can perform parameter
setting.
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Never operate the controller that has been damaged. This is to prevent further damage to
external equipment.
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