7.1 Section SafetyDANGERElectrical Shock HazardDo not connect or disconnect wiring while the power is on.Failure to comply will result in death or serious injury.Disconnect all power to the drive, wait at least one minute after all indicators are off, measurethe DC bus voltage to confirm safe level, and check for unsafe voltages before servicing toprevent electric shock. The internal capacitor remains charged even after the power supplyis turned off. The charge indicator LED will extinguish when the DC bus voltage is below50 Vdc.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.Do not remove covers or touch circuit boards while the power is on.Failure to comply could result in death or serious injury.WARNINGDo 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.7.1 Section Safety166 YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
