Reference Code Description/Action Perform all actions before exchanging Failing Items Failing Item6902 Bus Expansion Adapter card failedAn optical bus has failed due to an internal chip error on one of the remotebus adapters.Perform BUS-PIP1.FI00203AJDG3016905 Optical bus failedAn optical bus is inoperative due to a stuck line or an invalid buscommand. Any bus-related hardware may have failed.Perform BUS-PIP1.For this reference code the failing item list presented in the ″Service ActionLog″ can be different from the failing item list documented here. That isdue to the differences in system models and features installed.If the ″Service Action Log″ is available then use the failing item listpresented there for servicing this reference code.If the ″Service Action Log″ is not available then use the failing item listdocumented here. By following the procedures in the symbolic FRUs listedhere you will isolate to the correct FRU list based on system model andfeatures installed.FI00065LBUSADPAJDG3016906 High Speed Link (HSL) I/O bridge failureLIC could not access part of the HSL I/O bridge VPD. The bridge and HSLloop may be prevented from becoming operational.For this reference code the failing item list presented in the ″Service ActionLog″ can be different from the failing item list documented here. That isdue to the differences in system models and features installed.If the ″Service Action Log″ is available then use the failing item listpresented there for servicing this reference code.If the ″Service Action Log″ is not available then use the failing item listdocumented here. By following the procedures in the symbolic FRUs listedhere you will isolate to the correct FRU list based on system model andfeatures installed.NOTE: A fiber optic cleaning kit may be required for optical HSLconnections.SIIOADPOPT_CLNB6xx (including A6xx)276 iSeries: iSeries 270, 800, 810, 820, 825, 830, 840, 870, 890, SB2, and SB3 Analyze Hardware Problems (System ReferenceCodes)