Installation ManualH3C S9500 Series Routing Switches Chapter 5 Troubleshooting and Maintaining the Switch5-3Table 5-2 Description of fan tray LEDsLED Status MeaningSteady ON The fan tray works normally.RUN (Green)OFF The fan tray is faulty.Steady ON The fan tray is faulty.ALM (Red)OFF The fan tray works normally.Note:The ALM LED on the fan tray keeps ON for 2 to 3 seconds when the switch is poweredon.If the RUN LED of the fan tray is OFF, make sure that:z The fan tray has been well seated.z All the cables connecting the fan tray and the backplane have been correctlyconnected and are in good condition.z The fans are working normally.z The rotation of the fans has not been blocked.z The blank filler panels have been inserted into those LPU slots.5.1.4 Troubleshooting LPUsThe S9500 series provide LPUX LEDs on the SRPU for the user to observe the state ofthese LPUs.Note:z For the S9505, LPU 0 to LPU 4 correspond to Slots 2 to 6 respectively.z For the S9508/S9508V, LPU 0 to LPU 7 correspond to Slots 0 to 3 and Slots 6 to 9respectively.z For the S9512, LPU 0 to LPU 11 correspond to Slots 0 to 5 and Slots 8 to 13respectively.For the meanings of LEDs, refer to Table 5-3.
