u Remove the Bypass Front CoverWARNING! Electrical Shock Hazard. Do not open the front cover of the bypass while the power is on. Failure to comply may result in deathor serious injury. Make sure that the disconnect handle is in the “OFF” position before attempting to open the front cover.n Models Z1B1D002 to D074 and Z1B1B001 to B0771. Turn the disconnect handle to the “OFF” position and wait the appropriate amount of time for voltage to dissipate.Verify using a multimeter and follow all appropriate lockout/tagout procedures.NOTICE: Damage to Equipment. Observe proper electrostatic discharge procedures (ESD) when handling the option, bypass, andcircuit boards. Failure to comply may result in ESD damage to circuitry.Figure 6 Disconnect Power5 Installation ProcedureYASKAWA SIEPYAICOM22 Rev: A0 Bypass Option Single and Dual-Port EtherNet/IP SI-EN3/SI-EN3D Technical Manual 15