JANCD-SR21-1 YASKAWA

 The Inverter internal capacitor is still charged even after the power supply is turned 

OFF. To prevent electric shock, disconnect all power before servicing the Inverter. 

Then, wait at least one minute after the power supply is disconnected and all 

indicators are OFF.

Description:

• Some drawings in this manual are shown with the protective covers and shields 

removed, in order to describe detail with more clarity. Make sure all covers and 

shields are replaced before operating this product.

• This manual may be modified when necessary because of improvement to the 

product, modification, or changes in specifications.

Such modifications are denoted by a revised manual No.

• To order a copy of this manual, if your copy has been damaged or lost, contact you 

YASKAWA representative.

• YASKAWA is not responsible for any modification of the product made by the 

user, doing so will void the warranty.

• Do not connect or disconnect wiring, or perform signal checks while the power 

supply is turned ON.

• The Inverter internal capacitor is still charged even after the power supply is turned 

OFF. To prevent electric shock, disconnect all power before servicing the Inverter. 

Then, wait at least one minute after the power supply is disconnected and all 

indicators are OFF.

• Do not perform a withstand voltage test on any part of the Inverter. This electronic 

equipment uses semiconductors and is vulnerable to high voltage.

• Do not remove the Digital Operator or the blank cover unless the power supply is 

turned OFF. Never touch the printed control board (PCB) while the power supply is 

turned ON.

• The Inverter is not suitable for use on a circuit capable of delivering more than 

18,000 RMS symmetrical amperes, 250volts maximum (200V class units) or 

18,000 RMS symmetrical amperes, 480volts maximum (400V class units).

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