u Option LED DisplayThe option has four LEDs.Bi-color Status LEDs:• Module status (MS) red/green• Network status (NS) red/greenEthernet LEDs:• Network speed - 10/100 (MS) green• Link status and network activity - LINK/ACT (NS) red/greenThe operational states of the option LEDs after completion of the power-up diagnostic LEDsequence are described in Table 3. Wait at least 2 seconds for the power-up diagnostic processto complete before verifying LED states.Table 3 Option LED StatesNameDisplayOperating Status RemarksColor StatusMS– OFF Power supply OFF Power is not being supplied to the drive.Green ON Normal operation The option is operating normally andinitialization is complete.Green Flashing Standby/Initializing The option is in process of configuring orwaiting for configuration information.Red Flashing Non-fatal error occurred The option has detected a recoverableminor fault such as incompleteconfiguration.Red ON Fatal error occurred The option has detected an unrecoverablemajor fault.Green/Red Flashing Option self-test The option is in self-test mode.NS– OFF Power supply OFF –Green ON Online communicationsestablished The option is online and has establishedconnections.Green Flashing Not connected The option is online without an establishedconnection.Red Flashing Minor fault A minor recoverable fault has occurred.Red ON Major fault The option detected a duplicate IP address.Green/Red Flashing Option self-test The option is in self-test mode.4 Option Components14 YASKAWA TOEP YAICOM 15A V1000 Option Dual-Port EtherNet/IP SI-EN3D/V Installation Manual