
152 Troubleshooting the Pathlight VX
MS LEDs
The MS has LEDs on both the front and back panels. The following section describes general status and
activity information provided by these LEDs.
MS Front Panel—Control Panel LEDs
Activity and status on the MS can be determined through the activity of the control panel LEDs. Figure 13
shows their location and Table 6
describes their function.
Figure 13 MS Control Panel LEDs
Table 6 MS Control Panel LED Activity
LED State Description
Power fail OFF The power supplies are operating normally.
ON Indicates a power supply unit has failed and needs to be replaced.
Overheat OFF The enclosure temperature is normal.
ON Indicates an overheat condition. This condition may be caused by cables
obstructing the airflow in the system or the ambient room temperature is too
high. Refer to Troubleshooting Temperature Errors
on page 150.
NIC 2 Flashing Indicates network activity on LAN 2.
NIC 1 Flashing Indicates network activity on LAN 1.
HDD ON Indicates IDE channel activity.
Power ON Indicates power is being supplied to the MS power supplies. This LED is
illuminated when the MS is operating normally. Refer to Troubleshooting
Temperature Errors on page 150.
OFF The MS is shut down.
Reset Used to reboot the MS.
Power button Used to start up or shut down the MS.
power
fail
overheat NIC 2 NIC 1 HDD power
reset
power button
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