C.1 Section SafetyDANGERElectrical Shock HazardDo not connect or disconnect wiring while the power is on.Failure to comply will result in death or serious injury.WARNINGElectrical Shock HazardDo not operate equipment with covers removed.Failure to comply could result in death or serious injury.The diagrams in this section may show drives without covers or safety shields to showdetails. Be sure to reinstall covers or shields before operating the drives and run the drivesaccording to the instructions described in this manual.Always ground the motor-side grounding terminal.Improper equipment grounding could result in death or serious injury by contacting themotor case.Do not touch any terminals before the capacitors have fully discharged.Failure to comply could result in death or serious injury.Before wiring terminals, disconnect all power to the equipment. The internal capacitorremains charged even after the power supply is turned off. The charge indicator LED willextinguish when the DC bus voltage is below 50 Vdc. To prevent electric shock, wait atleast one minute after all indicators are off and measure the DC bus voltage level to confirmsafe level.WARNINGDo not allow unqualified personnel to perform work on the drive.Failure to comply could result in death or serious injury.Installation, maintenance, inspection, and servicing must be performed only by authorizedpersonnel familiar with installation, adjustment and maintenance of AC drives.C.1 Section Safety226 YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
