i.2 General Safety18 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual◆ Safety MessagesDANGERHeed the safety messages in this manual.Failure to comply will result in death or serious injury.The operating company is responsible for any injuries or equipment damage resulting from failure to heed the warningsin this manual.Electrical Shock HazardDo not connect or disconnect wiring while the power is on.Failure to comply will result in death or serious injury.Before servicing, disconnect all power to the equipment. The internal capacitor remains charged even after the powersupply is turned off. After shutting off the power, wait for at least the amount of time specified on the drive beforetouching any components.WARNINGSudden Movement HazardSystem may start unexpectedly upon application of power, resulting in death or serious injury.Clear all personnel from the drive, motor and machine area before applying power. Secure covers, couplings, shaftkeys and machine loads before applying power to the drive.When using DriveWorksEZ to create custom programming, the drive I/O terminal functions change fromfactory settings and the drive will not perform as outlined in this manual.Unpredictable equipment operation may result in death or serious injury.Take special note of custom I/O programming in the drive before attempting to operate equipment.Electrical Shock HazardDo not attempt to modify or alter the drive in any way not explained in this manual.Failure to comply could result in death or serious injury.Yaskawa is not responsible for any modification of the product made by the user. This product must not be modified.Do not allow unqualified personnel to use equipment.Failure to comply could result in death or serious injury.Maintenance, inspection, and replacement of parts must be performed only by authorized personnel familiar withinstallation, adjustment and maintenance of AC drives.Do not remove covers or touch circuit boards while the power is on.Failure to comply could result in death or serious injury.Fire HazardDo not use an improper voltage source.Failure to comply could result in death or serious injury by fire.Verify that the rated voltage of the drive matches the voltage of the incoming power supply before applying power.Crush HazardDo not use this drive in lifting applications without installing external safety circuitry to prevent accidentaldropping of the load.The drive does not possess built-in load drop protection for lifting applications.Failure to comply could result in death or serious injury from falling loads.Install electrical and/or mechanical safety circuit mechanisms independent of drive circuitry.