YASKAWA TOEP YEACOM 06A V1000 Option PROFINET SI-EP3/V Installation Manual 175 Installation Preparation5 Installation Preparation◆ 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 five minutes after all indicators are off,measure the DC bus voltage to confirm safe level, and check for unsafe voltages beforeservicing. The internal capacitor remains charged after the power supply is turned off. Thecharge indicator LED will extinguish when the DC bus voltage is below 50 Vdc.WARNINGElectrical Shock HazardDo not remove the option cover while the power is on.Failure to comply could result in death or serious injury.The diagrams in this section may include options and drives without covers or safetyshields to show details. Be sure to reinstall covers or shields before operating any devices.Use the option according to the instructions described in this manual.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 authorizedpersonnel familiar with installation, adjustment, and maintenance of this product.Do not touch circuit boards while the power to the drive is on.Failure to comply could result in death or serious injury.